Schildknecht, Thomas

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2017

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Flohrer, T.; Vananti, Alessandro (2017). An optical survey for space debris on highly eccentric and inclined MEO orbits. Advances in space research, 59(1), pp. 181-192. Elsevier 10.1016/j.asr.2016.08.027

2016

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Covariance study to evaluate the influence of optical follow-up strategies on estimated orbital parameters. Acta astronautica, 122, pp. 76-89. Elsevier 10.1016/j.actaastro.2016.01.020

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical measurements of MEO and GEO objects using Population-Based Meta-Heuristic methods. Advances in space research, 58(9), pp. 1778-1792. Elsevier 10.1016/j.asr.2016.06.026

Silha, Jiri; Schildknecht, Thomas; Flohrer, Tim (2016). Optical observations of Briz-M fragments in GEO. AMOS Conference Technical Papers. AMOS

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Bodenmann, Dominik; Kanzler, R.; Kärräng, P.; Krag, H. (2016). Comparison of ENVISAT’s attitude simulation and real optical and SLR observations in order to refine the satellite attitude model. AMOS Technical Papers. AMOS

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Hamara, M. (2016). Light curve database of Astronomical Institute of the University of Bern (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Analysis of the Orbit determination accuracy using laser ranges and angular measurements (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical measurements of geocentric objects with a Genetic Algorithm: application to experimental data (Unpublished). In: 67th International Astronautical Congress (IAC). Guadalajara, Mexico. 26.-30.09.2016.

Vananti, Alessandro; Schildknecht, Thomas; Siminski, J.; Flohrer, T.; Jilete, B. (2016). Association of tracklets from angular and range measurements (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2016). Orbit improvement merging angular and laser range measurements (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado Perez, J.C.; Martinot, V. (2016). Associating optical observations of space debris in GEO with an Elitist Genetic Algorithm (Unpublished). In: Final Stardust Conference. Noordwijk, Netherlands. 31.10.-04.11.2016.

Hinze, A.; Fiedler, H.; Schildknecht, Thomas (2016). Optimal scheduling for geosynchronous space object follow-up observations using a genetic algorithm. AMOS Technical Papers. AMOS

Lee, C.H.; Seitzer, P.; Cutri, R.M.; Grillmair, C.J.; Schildknecht, Thomas (2016). Infrared Photometry of GEO Spacecraft with WISE. AMOS Technical Papers. AMOS

2015

Silha, Jiri; Linder, Esther; Hager, Monika; Schildknecht, Thomas (2015). Optical Light Curve Observations to Determine Attitude States of Space Debris. In: Proceedings of 30th International Symposium on Space Technology and Science. Kobe, Japan.

Fiedler, H.; Weigel, M.; Herzog, J.; Schildknecht, Thomas; Prohaska, Marcel; Ploner, Martin; Montenbruck, O. (2015). SMARTnet: First Experience of Setting Up a Telescope System to Survey the Geostationary Ring. In: Proceedings of 25th International Symposium on Space Flight Dynamics. Munich, Germany.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2015). Optimization of Optical Follow-up Strategies Based on Covariance Analysis (Unpublished). In: Proceedings of 6th European Conference for Aeronautics and Space Sciences. Krakow, Poland.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). A Genetic Algorithm to associate optical measurements and estimate orbits of geocentric objects (Unpublished). In: Proceedings of 6th European Conference for Aeronautics and Space Sciences. Krakow, Poland.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). Associating optical measurements and estimating orbits of geocentric objects through population-based meta-heuristic methods. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Cordelli, Emiliano; Vananti, Alessandro; Schildknecht, Thomas (2015). A covariance analysis to optimize the optical follow-up strategies. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Linder, Esther; Silha, Jiri; Schildknecht, Thomas; Hager, Monika (2015). Extraction of spin periods of space debris from optical light curves. In: Proceedings of 66th International Astronautical Congress. Curran Associates, Inc.

Vananti, Alessandro; Schildknecht, Thomas (2015). Relative estimate of accuracy in orbit determination from a short tracklet (Unpublished). In: Proceedings of workshop on Key Topics in Orbit Propagation Applied to Space Situational Awareness (KEPASSA). Toulouse, France.

Zittersteijn, Michiel; Vananti, Alessandro; Schildknecht, Thomas; Dolado-Perez, J.C.; Martinot, V. (2015). A study of the time complexity of an Elitist Genetic Algorithm used for associating optical observations of MEO and GEO Space Debris (Unpublished). In: Proceedings of workshop on Key Topics in Orbit Propagation Applied to Space Situational Awareness (KEPASSA). Toulouse, France.

Kanzler, R.; Silha, Jiri; Schildknecht, Thomas; Fritsche, B.; Lips, T.; Krag, H. (2015). Space debris attitude simulation - ιOTA (In-Orbit Tumbling Analysis). In: Proceedings of AMOS Conference. Curran Associates, Inc.

Vananti, Alessandro; Schild, Klaus; Schildknecht, Thomas (2015). Streak detection algorithm for space debris detection on optical images. In: Proceedings of AMOS Conference. Curran Associates, Inc.

Schildknecht, Thomas; Linder, Esther; Silha, Jiri; Hager, Monika; Koshkin, N.; Korobeinikova, E.; Melikiants, S.; Shakun, L.; Strakhov, S. (2015). Photometric monitoring of non-resolved space debris and databases of optical light curves. In: Proceedings of AMOS Conference. Curran Associates, Inc.

Ploner, Martin; Schildknecht, Thomas; Jäggi, Adrian; Lauber, Pierre; Utzinger, Johannes; Prohaska, Marcel; Brockmann, E. (2015). Satellite Laser Ranging at Zimmerwald. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 27-29). Zürich: Swiss Geodetic Commission

Schildknecht, Thomas; Jäggi, Adrian; Ploner, Martin; Brockmann, E. (2015). The Swiss optical ground station and geodynamics observatory Zimmerwald. In: Mueller-Gantenbein, J.; Wiget, A.; Marti, U.; Rothacher, M.; Gilliéron, P.-Y. (eds.) Swiss National Report on the Geodetic Activities in the years 2011 to 2015 (pp. 25-26). Zürich: Swiss Geodetic Commission

2014

Jäggi, Adrian; Dach, Rolf; Schildknecht, Thomas (6 November 2014). Astronomisches Institut 2014: Aktivitäten und Projekte (Unpublished). In: Bericht an die 192. Sitzung der Schweizerischen Geodätischen Kommission. EPFL Lausanne, Switzerland. 6.11.2014.

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Ruzek, Peter; Schildknecht, Thomas; Verdun, Andreas; Jäggi, Adrian (October 2014). History of the Laser Observations at Zimmerwald (Unpublished). In: 9th International Workshop on Laser Ranging, Celebrating 50 Year of SLR: Remembering the Past and Planning for the Future. Annapolis, Maryland, USA. 27.-31.10.2014.

Siminski, J.; Montenbruck, O.; Fiedler, H.; Schildknecht, Thomas (2014). Short-arc tracklet association for geostationary objects. Advances in space research, 53(8), pp. 1184-1194. Pergamon 10.1016/j.asr.2014.01.017

Fujimoto, K.; Scheeres, D.; Herzog, Johannes; Schildknecht, Thomas (2014). Association of optical tracklets from a geosynchronous belt survey via the direct Bayesian admissible region approach. Advances in space research, 53(2), pp. 295-308. Pergamon 10.1016/j.asr.2013.11.021

Fujimoto, K.; Alfriend, T.; Schildknecht, Thomas (2014). A boundary value problem approach to too-short arc optical track association. In: Wilson, Roby S.; Zanetti, Renato; Mackison, Donald L.; Abdelkhalik, Ossama (eds.) Proceedings of 24th Space Flight Mechanics Meeting. Advances in the Astronautical Sciences: Vol. 152. Univelt, Inc.

Silha, Jiri; Schildknecht, Thomas; Flohrer, T. (2014). Improved Space Object Orbit Determination Using CMOS Detectors. In: Proceedings of 15th AMOS Conference (pp. 67-76). Curran Associates, Inc.

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Vananti, Alessandro (2014). Additional optical surveys for space debris on highly eccentric and inclined MEO orbits. In: Proceedings of 65th International Astronautical Congress (pp. 1183-1188). International Astronautical Federation ( IAF )

Silha, Jiri; Schildknecht, Thomas; Hinze, Andreas; Utzmann, J.; Wagner, A.; Willemsen, P.; Teston, F.; Flohrer, T. (2014). Capability of a space-based space surveillance system to detect and track objects in GEO, MEO and LEO orbits. In: Proceedings of 65th International Astronautical Congress (pp. 1160-1168). International Astronautical Federation ( IAF )

Utzmann, J.; Wagner, A.; Silha, Jiri; Schildknecht, Thomas; Willemsen, P.; Teston, F.; Flohrer, T. (2014). A system design for space-based space surveillance. In: Proceedings of Small Satellites Systems and Services Symposium. Porto Petro, Spain. 26.05.-30.05.2014.

Utzmann, J.; Wagner, A.; Silha, Jiri; Schildknecht, Thomas; Willemsen, P.; Teston, F.; Flohrer, T. (2014). Space-based space surveillance and tracking demonstrator: mission and system design. In: Proceedings of 65th International Astronautical Congress (pp. 1648-1655). International Astronautical Federation ( IAF )

Flegel, S.; Voersmann, P.; Schildknecht, Thomas (2014). Reevaluation of the MASTER-2009 MLI and H-10 Debris Modeling. In: 65th International Astronautical Congress 2014 (IAC 2014) (pp. 1796-1808). Red Hook, NY: International Astronautical Federation ( IAF )

Herzog, Johannes; Fiedler, H.; Weigel, M.; Montenbruck, O.; Schildknecht, Thomas (2014). SMARTnet: A Sensor for Monitoring the Geostationary Ring. In: Proceedings of 24th International Symposium on Space Flight Dynamics. Laurel, Maryland. 05.-09.05.2014.

2013

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Schlatter, Peter; Utzinger, Johannes; Schildknecht, Thomas; Jäggi, Adrian (11 November 2013). The new CMOS Tracking Camera used at the Zimmerwald Observatory. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Ploner, Martin; Lauber, Pierre; Prohaska, Marcel; Ruzek, Peter; Schlatter, Peter; Utzinger, Johannes; Schildknecht, Thomas; Jäggi, Adrian (11 November 2013). Status of the Zimmerwald SLR station. In: Proceedings of the 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Ploner, Martin; Utzinger, Johannes; Lauber, Pierre; Prohaska, Marcel; Schlatter, Peter; Ruzek, Peter; Schildknecht, Thomas; Sosnica, Krzysztof Jakub; Jäggi, Adrian (November 2013). Status of the Zimmerwald SLR station. In: 18th International Workshop on Laser Ranging. Fujiyoshida, Japan. 11.-15.11.2013.

Schildknecht, T.; Silha, J.; Hinze, A.; Vananti, A.; Flohrer, T. (September 2013). An Optical Survey for Space Debris on Highly Eccentric MEO Orbits (Unpublished). In: 62. Deutscher Luft- und Raumfahrtkongress. Stuttgart, Germany. 10.-12.09.2013.

Utzmann, J.; Wagner, A.; Blanchet, G.; Assemat, F.; Vial, S.; Dehecq, B.; Fernandez Sanchez, J.; Garcia Espinosa, J.R.; Agueda Mate, A.; Bartsch, G.; Schildknecht, T.; Lindman, N.; Fletcher, E.; Martin, L.; Moulin, S. (April 2013). Architectural Design for a European SST System. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Schildknecht, T.; Hinze, A.; Vananti, A.; Flohrer, T. (2013). An Optical Survey for Space Debris on Highly Eccentric MEO Orbits. In: Proceedings of 29th International Symposium on Space Technology and Science. Nagoya-Aichi, Japan. 02.-09.06.2013.

Schildknecht, T.; Hinze, A.; Schlatter, P.; Silha, J.; Peltonen, J.; Säntti, T.; Flohrer, T. (2013). Improved Space Object Observation Techniques using CMOS Detectors. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Hinze, A.; Schildknecht, T.; Flohrer, T.; Krag, H. (2013). Results of space debris survey observations on highly-eccentric MEO orbits. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Herzog, J.; Schildknecht, T.; Hinze, A.; Ploner, M.; Vananti, A. (2013). Space Surveillance Observations at the AIUB Zimmerwald Observatory. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Vananti, A.; Schildknecht, T. (2013). Dependence of Orbit Determination Accuracy on the Observer Position. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Schildknecht, T.; Herzog, J.; Vananti, A.; Ploner, M.; Fletcher, E. (2013). Coordinated Optical GEO Survey for European SSA Precursor Services. In: Proceedings of 64th International Astronautical Congress (pp. 1999-2000). International Astronautical Federation ( IAF )

Vananti, A.; Schildknecht, T.; Pinna, G.M.; Flohrer, T. (2013). Assessment of possible observation strategy in LEO regime. In: Proceedings of 64th International Astronautical Congress (pp. 2363-2372). International Astronautical Federation ( IAF )

Schildknecht, T.; Herzog, J.; Vananti, A.; Ploner, M.; Fletcher, E. (2013). Coordinated Optical GEO Survey for European SSA Precursor Services. In: Proceedings of 14th AMOS Conference (pp. 422-426). Red Hook, NY: Curran Associates, Inc.

Fujimoto, K.; Herzog, J.; Schildknecht, T.; Scheeres, D. (2013). Improvements to Optical Track Association with the Direct Bayesian Admissible Region Method. In: Proceedings of 14th AMOS Conference (pp. 659-668). Red Hook, NY: Curran Associates, Inc.

Fujimoto, K.; Scheeres, D.; Herzog, J.; Schildknecht, T. (2013). Applying the Direct Bayesian Admissible Region Approach to the Association of GEO Belt Optical Observations. In: Proceedings of 29th International Symposium on Space Technology and Science. Nagoya-Aichi, Japan. 02.-09.06.2013.

Siminski, J.A.; Fiedler, H.; Schildknecht, T. (2013). Track Association Performance of the Best Hypotheses Search Method. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Fujimoto, K.; Scheeres, D.; Herzog, J.; Schildknecht, T. (2013). Association of Short-Arc Optical Tracks via the Direct Bayesian Admissible Region: Theory and Application. In: Proceedings of 6th European Conference on Space Debris. Spacebooks Online: Vol. SP-723. European Space Agency

Jäggi, Adrian; Dach, Rolf; Schildknecht, Thomas (2013). Astronomisches Institut 2013: Aktivitäten und Projekte (Unpublished). In: Bericht an die 190. Sitzung der Schweizerischen Geodätischen Kommission. Schweiz. 08.11.2013.

2012

Flohrer, T.; Bastida Virgili, B.; Krag, H.; Klinkrad, H.; Merz, K.; Schildknecht, T.; Lemmens, S. (2012). Tailoring the Observation Scenarios and Data Processing Techniques for Supporting Conjunction Event Assessments. In: Proceedings of 9th US-Russian Space Surveillance Workshop.

Früh, C.; Schildknecht, T. (2012). Variation of the area-to-mass ratio of high area-to-mass ratio space debris objects. Monthly notices of the Royal Astronomical Society, 419(4), pp. 3521-3528. Oxford: Oxford University Press 10.1111/j.1365-2966.2011.19990.x

Früh, Carolin; Schildknecht, Thomas (2012). Object image linking of earth orbiting objects in the presence of cosmics. Advances in space research, 49(3), pp. 594-602. Oxford: Pergamon 10.1016/j.asr.2011.10.021

Früh, Carolin; Schildknecht, Thomas (2012). Accuracy of Two-Line-Element Data for Geostationary and High-Eccentricity Orbits. Journal of guidance, control, and dynamics, 35(5), pp. 1483-1491. New York, N.Y.: American Institute of Aeronautics and Astronautics 10.2514/1.55843

Früh, C.; Schildknecht, T. (2012). Attitude Motion of Space Debris Objects under Influence of Solar Radiation Pressure and Gravity. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Herzog, J.; Schildknecht, T. (2012). Analysis of the Long-term Area-to-Mass Ratio Variation of Space Debris. In: Proceedings of AMOS Conference.

Herzog, J.; Schildknecht, T.; Hinze, A.; Ploner, M.; Vananti, A. (2012). Long-term Evolution of Orbits of High Area-to-Mass Ratio Objects in the Geostationary Ring. In: Proceedings of Deutscher Luft- und Raumfahrtkongress, Berlin.

Herzog, J.; Schildknecht, T.; Ploner, M. (2012). Search for Space Debris in the MEO Region with Z im SMART. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Hinze, A.; Schildknecht, T.; Vananti, A.; Krag, H.; Flohrer, T. (2012). Observation Strategies for Space Debris on Highly-eccentric MEO Orbits. In: Proceedings of 63rd International Astronautical Congress, Naples, Italy.

Schildknecht, T.; Herzog, J.; Hinze, A.; Vananti, A.; Ploner, M. (2012). AIUB Efforts to Survey, Track, and Characterize Small-size Objects at High Altitudes. In: Proceedings of Deutscher Luft- und Raumfahrtkongress, Berlin.

Schildknecht, T.; Vananti, A.; Herzog, J.; Hinze, A.; Krag, H.; Flohrer, T. (2012). Optical Surveys for Space Debris in MEO. In: Proceedings of 9th US-Russian Space Surveillance Workshop, Listvyanka, Russia.

Schildknecht, T.; Vananti, A.; Hinze, A.; Herzog, J.; Ploner, M. (2012). Long-term Evolution of High Area-to-Mass Ratio Objects in Different Orbital Region. In: Proceedings of AMOS Conference.

Ploner, M.; Jäggi, A.; Lauber, P.; Prohaska, M.; Schildknecht, T.; Utzinger, J. (2012). SLR Tracking of GNSS Constellations at Zimmerwald. In: Proceedings of the International Technical Laser Workshop 2012 ITLW-12, Frascati, Rome, Italy, 5.-9.11.2012.

Schildknecht, T. (2012). Aktuelle Projekte in Zimmerwald, 187. Sitzung der SGK.

2011

Dach, Rolf; Beutler, Gerhard; Jäggi, Adrian; Schildknecht, Thomas (2011). GNSS-Forschungsarbeiten am Astronomischen Institut der Universität. Geomatik Schweiz / Géomatique Suisse /Geomatica Svizzera, 6, pp. 280-283. Scherz: SIGImedia AG

Schildknecht, Thomas; Jäggi, Adrian; Ploner, M.; Brockmann, E. (2011). The Zimmerwald Observatory. In: Adrian Wiget, Urs Marti (ed.) Swiss National Report on the GEODETIC ACTIVITIES in the years 2007 to 2011. Presented to the XXV General Assembly of the International Union of Geodesy and Geophysics in Melbourne, Australia, June/July 2011 (pp. 15-17). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission

Früh, Carolin; Schildknecht, Thomas (2011). Combination of Light Curve Measurements and Orbit Determination for Space Debris Identification. In: Proceedings of the International Astronautical Congress (IAC-11), 2011 October 3-7, Cape Town, South Africa.

Früh, Carolin; Schildknecht, Thomas; Hinze, Andreas; Reber, Martin (2011). Optical Observation Campaign in the Framework of the ESA Space Surveillance System Precursor Services. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Herzog, Johannes; Schildknecht, Thomas; Ploner, Martin (2011). Space Debris Observations with ZimSMART. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Hinze, Andreas; Vananti, Alessandro; Schildknecht, Thomas; Krag, H. (2011). Results from first Space Debris Survey Observations in MEO. In: Proceedings of the European Space Surveillance Conference, 7-9 June 2011, Madrid, Spain.

Schildknecht, Thomas; Vananti, Alessandro; Hinze, Andreas; Herzog, Johannes; Krag, H. (2011). Results of Optical Surveys for Space Debris in MEO. In: Proceedings of the International Astronautical Congress (IAC-11), 2011 October 3-7, Cape Town, South Africa.

Schildknecht, Thomas; Flury, W.; Früh, Carolin; Herzog, Johannes; Hinze, Andreas; Vananti, Alessandro (2011). Using Optical Observations to Survey, Track, and Characterize Small-Size Objects at High Altitudes. In: Proceedings of 28th International Symposium on Space Technology and Science, juin 2011, Okinawa, Japan.

Milani, A.; Tommei, G.; Farnocchia, D.; Rossi, A.; Schildknecht, Thomas; Jehn, R. (2011). Correlation and orbit determination of space objects based on sparse optical data. Monthly notices of the Royal Astronomical Society, 417(3), 2094--2103. Oxford: Oxford University Press 10.1111/j.1365-2966.2011.19392.x

Früh, Carolin; Schildknecht, Thomas (2011). Orbit Determination with Optical Observations of HAMR Objects. In: Proceedings of the International Symposium on Orbit Propagation and Determination (Lille, France, 26 - 28 September 2011).

2010

Früh, Carolin; Schildknecht, Thomas (2010). Analysis of observed and simulated light curves of space debris. In: Proceedings of the International Astronautical Congress 2010.

Früh, Carolin; Schildknecht, Thomas (2010). Investigation of properties and characteristics of high-area-to-mass ratio objects based on examples of optical observation data of space debris objects in GEO-like orbits. In: 2010 AMOS Technical Conference, Maui, Hawaii, USA, 14-17 September 2010.

Früh, Carolin; Schildknecht, Thomas (2010). Orbit propagation and validation with angle-only observations. In: 20th AAS/AIAA Astrodynamics Specialist Conference, Toronto, Canada, August 2nd - 5th, 2010.

Herzog, Johannes; Schildknecht, Thomas; Früh, Carolin (2010). Build-up and maintanance of a catalogue of GEO obejcts with ZimSMART. In: Proceedings of the International Astronautical Congress 2010.

Schildknecht, Thomas; Früh, Carolin; Herzog, Johannes; Hinze, Andreas; Vananti, Alessandro (2010). AIUB efforts to survey, track, and characterize small-size objects at high altitude. In: 2010 AMOS Technical Conference, 14-17 September, Maui, Hawaii, USA, 2010.

Schildknecht, Thomas; Früh, Carolin; Hinze, Andreas; Herzog, Johannes (2010). Dynamical properties of high area to mass ratio objects in GEO-like orbits. Advances in space research Oxford: Pergamon

Schildknecht, Thomas; Hinze, Andreas; Früh, Carolin; Krag, H. (2010). ESA Long-term Monitoring of Space Debris in GEO, GTO and First Surveys of MEO. In: 28th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 9-12, 2010, Tiruvananthapuram, India, 2010. International Association of Drilling Contractors IADC

Schildknecht, Thomas (2010). Swiss Contributions to a Better Understanding of the Space Debris Environment. In: 47th Session of UNCOPUOS Scientific and Technical Subcommittee, Vienna, 8-19 February 2010.

Schildknecht, Thomas; Vananti, Alessandro; Krag, H.; Erd, C. (2010). Physical Characterization of High AMR Debris by Optical Reflection Spectrometry and Light curves. In: 28th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 9 - 12, 2010, Tiruvananthapuram, India, 2010. International Association of Drilling Contractors IADC

Schildknecht, T.; Vananti, A.; Krag, H.; Erd, Ch. (2010). Physical characterization of high AMR debris by optical reflectance spectrometry. In: Proceedings of 61st International Astronautical Congress. Astronautical Congress. International.: Vol. 61. International Astronautical Federation ( IAF )

Donath, T.; Schildknecht, Thomas; Martinot, V.; Monte Del, L. (2010). Possible European Systems for Space Situational Awareness. Acta astronautica, 66(9-10), pp. 1378-1387. Oxford: Pergamon 10.1016/j.actaastro.2009.10.036

Flohrer, T.; Krag, H.; Klinkrad, H.; Schildknecht, Thomas (2010). Reasibility of performing space surveillance tasks with a proposed space-based optical architecture. Advances in space research, 47(6), pp. 1029-1042. Oxford: Pergamon 10.1016/j.asr.2010.11.021

Musci, R.; Schildknecht, Thomas; Ploner, Martin (2010). Analyzing Long Observation Arcs for Objects with high Area-to-Mass Ratios in Geostationary Orbits. Acta astronautica, 66(5-6), pp. 693-703. Oxford: Pergamon 10.1016/j.actaastro.2009.08.025

2009

Flohrer, Tim; Krag, H.; Klinkrad, H.; Kuusela, J.; Leushacke, L.; Ploner, Martin; Schildknecht, Thomas (2009). Orbit Determination from Combined Radar and Optical Tracks during XMM Contingency Operations. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Frueh, Carolin; Schildknecht, Thomas; Musci, Reto; Flohrer, Tim (2009). Comparison of Different Methods of Ephemeris Retrival for Correlation of Observations of Space Debris Objects. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 220-227). Kihei, Hawaii: Maui Economic Development Board

Früh, Carolin; Schildknecht, Thomas; Musci, Reto; Ploner, Martin (2009). Catalogue Correlation of Space Debris Objects. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Schildknecht, Thomas; Musci, Reto; Jehn, Rüdiger; Kuusela, J. (2009). Ten Years of Observations at the ESA Space Debris Telescope - Discoveries, Highlights and Lessons Learned. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Krag, H.; Klinkrad, H.; Jehn, R.; Flegel, S.; Schildknecht, Thomas (2009). Conclusions from ESA Space Debris Telescope Observations on Space Debris Environment Modelling. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Vananti, A.; Schildknecht, Thomas; Krag, H.; Erd, Ch. (2009). Preliminary Results from Reflectance Spectroscopy Observations of Space Debris in Geo. In: 5th European Conference on Space Debris, March 30 - April 2, ESOC, Darmstadt, Germany, 2009. Paris: European Space Agency

Schildknecht, Thomas; Vananti, A.; Krag, H.; Erd, Ch. (2009). Reflectance Spectra of Space Debris in GEO. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 220-227). Kihei, Hawaii: Maui Economic Development Board

Schildknecht, Thomas; Flohrer, Tim; Vananti, A. (2009). Optical Surveys for Space Debris in MEO. In: 60th International Astronautical Congress, October 12 - 18, Daejeon, Republic of Korea, 2009. Institute for Atmospheric and Climate Science IAC

Cowardin, H.; Barker, E.; Seitzer, P.; Mulrooney, M.; Schildknecht, Thomas (2009). An Assessment of GEO Orbital Debris Photometric Properties Derived from Laboratory-Based Measurements. In: 2009 AMOS Technical Conference, 2-4 September, Maui, Hawaii, USA 2009 (pp. 228-237). Kihei, Hawaii: Maui Economic Development Board

2008

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim (2008). Properties of the High Area-to-Mass Ratio Space Debris Population at High Altitudes. Advances in space research, 41(7), pp. 1039-1045. Oxford: Pergamon 10.1016/j.asr.2007.01.045

Flohrer, Tim; Schildknecht, Thomas; Musci, Reto (2008). Proposed Strategies for Optical Observations in a Future European Space Surveillance Network. Advances in space research, 41(7), pp. 1010-1021. Oxford: Pergamon 10.1016/j.asr.2007.02.018

Musci, Reto; Schildknecht, Thomas; Flohrer, Tim; Beutler, Gerhard (2008). Evolution of the Orbital Elements for Objects with High Area-to-Mass Ratios in Geostationary Transfer Orbits. Advances in space research, 41(7), pp. 1071-1076. Oxford: Pergamon 10.1016/j.asr.2007.02.030

Donath, T; Michal, T; Vanwijck, X; Dugrosprez, B; Flohrer, Tim; Schildknecht, Thomas (2008). Conceptual Design of a European Space Surveillance System. In: 36th COSPAR Scientific Assembly. Beijing, China, 16 - 23 July 2006 [Meeting abstract from the CD-ROM]. Paris: COSPAR Scientific Assembly

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto; Jehn, Rüdiger (2008). Statistical Analysis of the ESA Optical Space Debris Surveys. Acta astronautica, 63(1-4), pp. 119-127. Oxford: Pergamon 10.1016/j.actaastro.2007.12.035

Flohrer, Tim; Schildknecht, Thomas; Musci, Reto (2008). A Possible Way of Exchanging Follow-Up Data. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-9]). Red Hook: Curran

Agapov, Vladimir; Schildknecht, Thomas; Molotov, Igor; Stepanyants, Viktor (2008). Orbital Evolution Challenge Of High Area-to-mass Objects On Geocentric Orbits - Easy To Find, Easy To Lose. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-3]). Red Hook: Curran

Oswald, Michael; Stabroth, Sebastian; Wiedemann, Carsten; Vörsmann, Peter; Schildknecht, Thomas; Klinkrad, Heiner (2008). Modelling of the GEO Debris Environment Based on ESA-SDT Observations. In: 58th International Astronautical Congress 2007. Proceedings of a meeting held 24-28 September 2007, Hyderabad, India ([1-7]). Red Hook: Curran

Jehn, R.; Klinkrad, H.; Krag, H.; Flohrer, Tim; Leushacke, L.; Markkanen, J.; Schildknecht, T.; Oswald, M. (2008). Space Traffic Data Analysis and Synthesis. In: 3rd IAASS Conference, October 21-23, Rome, Italy, 2008. International Association for the Advancement of Space Safety IAASS

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Ploner, Martin (2008). Color Photometry and Light Curve Observations of Space Debris. In: 59th International Astronautical Congress, September 29 - October 3, Glasgow, Scotland, 2008. Institute for Atmospheric and Climate Science IAC

Früh, Carolin; Musci, Reto; Schildknecht, Thomas (2008). Improved Method for Recognizing Unknown Space Debris Objects on Series of CCD-Frames. In: 59th International Astronautical Congress, September 29 - October 3, Glasgow, Scotland, 2008. Institute for Atmospheric and Climate Science IAC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Jehn, R. (2008). Status Report on the ESA Optical Space Debris Survey at the OGS. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, April 14-17, Moscow, Russia, 2008. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Ploner, Martin (2008). Color Photometry and Light Curve Observations of Space Debris in GEO. In: 2008 AMOS Technical Conference, 16-18 September, Maui, Hawaii, USA, 2008 (pp. 496-501). Kihei, Hawaii: Maui Economic Development Board

2007

Dach, Rolf; Bernier, Laurent-Guy; Dudle, Gregor; Hugentobler, Urs; Schildknecht, Thomas (2007). Precise Time and Frequency Transfer. In: Troller, Marc; Wiget, Adrian; Marti, Urs; Kahle, Hans-Gert; Gilliéron, Pierre-Yves (eds.) Swiss National Report on the Geodetic Activities in the Years 2003 to 2007 (pp. 329-336). Zürich: Schweizerische Geodätische Kommission / Swiss Geodetic Commission 10.1109/FREQ.2005.1573954

Schildknecht, Thomas (2007). Optical Surveys for Space Debris. Astronomy and astrophysics review, 14(1), pp. 41-111. Berlin: Springer International 10.1007/s00159-006-0003-9

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto (2007). Challenges Related to Discovery, Follow-Up, and Study of Small High Area-to-Mass Ratio Objects at GEO. In: AMOS Conference 2007. September 12-15, 2007, Maui, Hawaii (pp. 354-359). Kihei, Hawaii: Maui Economic Development Board

Schildknecht, Thomas; Agapov, Vladimir (2007). Status Report on the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: Verlag fehlt

Schildknecht, Thomas (2007). Status Report on the International Space Debris Campaign In Higher Earth Orbit [2007]. In: (?-?). Verlag fehlt

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim; Jehn, Rüdiger (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, June 3-6, Toulouse, France, 2007. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Jehn, Rüdiger (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 26th Inter-Agency Debris Coordination Committee (IADC) Meeting, April 14-17, Moscow, Russia, 2008. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Musci, Reto; Früh, Carolin; Krag, H. (2007). ESA Contributions to the IADC AI 23.2 Investigation of High Area-to-mass Ratio Debris in Higher Earth Orbits & AI 23.4 International 2007 Optical Observation Campaigns in Higher Earth orbits. In: 27th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 25-27, ESOC,Darmstadt, Germany, 2009. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Flohrer, Tim; Musci, Reto; Klinkrad, H. (2007). Challenges Related to Discovery, Follow-Up, and Study of Small High Area-to-Mass Ratio Objects at GEO. In: 7th US/Russian Space Surveillance Workshop, Oct 29 - Nov 2, Monterey, CA, USA, 2007.

Schildknecht, Thomas; Agapov, V. (2007). Status Report on the IADC AI 23.2 Investigation of High Area-to-Mass Ratio Debris in Higher Earth Orbits. In: 25th Inter-Agency Debris Coordination Committee (IADC) Meeting, June 3-6, Toulouse, France, 2007. International Association of Drilling Contractors IADC

Schildknecht, Thomas; Vananti, A.; Krag, H.; Erd, Ch. (2007). Preliminary results from Spectroscopic Observations of Space Debris. In: 27th Inter-Agency Debris Coordination Committee (IADC) Meeting, March 25-27, ESOC,Darmstadt, Germany, 2009. International Association of Drilling Contractors IADC

2006

Schildknecht, Thomas; Musci, Reto; Flohrer, Tim; Flury, W; Kuusela, J; de Leon, Julia; de Fatima Dominguez Palmero, Lilian (2006). Monitoring the Space Debris Environment at High Altitudes Using Data From the ESA Optical Surveys. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Schildknecht, Thomas; Flohrer, Tim (2006). Ein Satellitendeckel und jede Menge Schrott. UniPress - Forschung und Wissenschaft an der Universität Bern(130), pp. 17-18. Bern: Abteilung Kommunikation, Universität Bern

Schildknecht, Thomas; Africano, John (2006). Status Report on the International Space Debris Campaign In Higher Earth Orbit [2006]. In: Verlag fehlt

Schildknecht, Thomas; Musci, Reto; Ploner, Martin; Flohrer, Tim; Flury, W; Kuusela, J; de Leon, Julia; de Fatima Dominguez Palmero, Lilian (2006). Recent Results form the ESA Optical Space Debris Survey. In: AMOS Conference 2006. September 10-14, 2006, Maui, Hawaii. Kihei, Hawaii: Maui Economic Development Board

Flohrer, Tim; Schildknecht, Thomas; Jehn, Rüdiger; Oswald, Michael (2006). Performance of a Proposed Instrument for Space-Based Optical Observations of Space Debris. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Musci, Reto; Schildknecht, Thomas; Beutler, Gerhard; Agapov, Vladimir (2006). Observations of High Altitude Objects From Multiple Sites. In: International Astronautical Federation. Paris.

Agapov, Vladimir; Schildknecht, Thomas; Akim, Efraim; Molotov, Igor; Titenko, Vladimir; Yurasov, Vasiliy (2006). Results of GEO space debris studies in 2004-2005. In: 57th International Astronautical Congress. Valencia, Spain, Oct. 2-6, 2006. Paris: International Astronautical Federation

Jehn, Rüdiger; Ariafar, Shahram; Schildknecht, Thomas; Musci, Reto; Oswald, Michael (2006). Estimating the Number of Debris in the Geostationary Ring. Acta astronautica, 59(1-5), pp. 84-90. Oxford: Pergamon 10.1016/j.actaastro.2006.02.053

Wokke, F. J. P.; Kramer, A. J.; van Benthem, R.; Annes, R. A.; Flohrer, T.; Schildknecht, T.; Stöveken, E.; Valtonen, E.; Peltonen, J.; Riihonen, E.; Eronen, T.; Kuusela, J. (2006). An Instrument Design for Space-Based Optical Observation of Space Debris. In: Bendisch, J. (ed.) Space Debris and Space Traffic Management 2005. Proceedings of the International Academy of Astronautics Symposium held in conjunction with the 56th International Astronautical Congress, Fukuoka, Japan, October 17-21, 2005. Science & Technology Series: Vol. 112 (pp. 73-84). San Diego: Univelt

Dach, Rolf; Schildknecht, Thomas; Hugentobler, Urs; Bernier, Laurent-Guy; Dudle, Gregor (2006). Continuous Geodetic Time Transfer Analysis Methods. IEEE transactions on ultrasonics, ferroelectrics and frequency control, 7(53), pp. 1250-1259. New York, N.Y.: Institute of Electrical and Electronics Engineers IEEE 10.1109/TUFFC.2006.1665073

Dach, Rolf; Schär, Stefan; Hugentobler, Urs; Schildknecht, Thomas; Gäde, Andreas (2006). Combined Multi-System GNSS Analysis for Time and Frequency Transfer. In: Proceedings of the 20th European Frequency and Time Forum. 27-30 March 2006, Braunschweig, Germany (pp. 530-537). Braunschweig: European Frequency and Time Forum

Jiang, Z; Dach, Rolf; Petit, G; Schildknecht, Thomas; Hugentobler, U (2006). Comparison and Combination of TAI Time Links with Continuous GPS Carrier Phase Results. In: Proceedings of the 20th European Frequency and Time Forum. 27-30 March 2006, Braunschweig, Germany (pp. 440-447). Braunschweig: European Frequency and Time Forum

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