Krag, H.

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Number of items: 26.

Journal Article

Vananti, Alessandro; Schildknecht, Thomas; Krag, H. (2017). Reflectance spectroscopy characterization of space debris. Advances in space research, 59(10), pp. 2488-2500. Elsevier 10.1016/j.asr.2017.02.033

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Kirchner, G.; Steindorfer, M.; Kucharski, D.; Cerutti-Maori, D.; Rosebrock, J.; Sommer, S.; Leushacke, L.; Kärräng, P.; Kanzler, R.; Krag, H. (2017). Debris Attitude Motion Measurements and Modelling by Combining Different Observation Techniques. Journal of the British Interplanetary Society, 70, pp. 52-62. British Interplanetary Society

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

Conference or Workshop Item

Schildknecht, Thomas; Silha, Jiri; Krag, H. (September 2017). The Role of Impacts and Momentum Transfer for the Evolution of Envisat’s Attitude State. In: Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference. Curran Associates

Lips, T.; Kanzler, R.; Breslau, A.; Kärräng, P.; Silha, Jiri; Schildknecht, Thomas; Kucharski, D.; Kirchner, G.; Rosebrock, J.; Cerutti-Maori, D.; Krag, H. (September 2017). Debris Attitude Motion Measurements and Modeling – Observation vs. Simulation. In: Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference. Curran Associates

Kirchner, G.; Steindorfer, M.; Wang, P.; Koidl, F.; Kucharski, D.; Silha, Jiri; Schildknecht, Thomas; Krag, H.; Flohrer, T. (April 2017). Determination of Attitude and Attitude Motion of Space Debris, Using Laser Ranging and Single-Photon Light Curve Data. In: 7th European Conference on Space Debris. Darmstadt, Germany. 18 - 21 April 2017.

Silha, Jiri; Schildknecht, Thomas; Pittet, Jean-Noël; Kirchner, G.; Steindorfer, M.; Kucharski, D.; Cerutti-Maori, D.; Rosebrock, J.; Sommer, S.; Leushacke, L.; Kärräng, P.; Kanzler, R.; Krag, H. (April 2017). Debris Attitude Motion Measurements and Modelling by Combining Different Observation Techniques. In: 7th European Conference on Space Debris. Darmstadt, Germany. 18 - 21 April 2017.

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. Curran Associates, Inc.

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.

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

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.

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.; 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.

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; 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; 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 )

Vananti, Alessandro; Schildknecht, Thomas; Keinänen, P.; Kuusela, J.; Krag, H. (2010). Preliminary telescope design analysis for the optical space surveillance subsystem. In: International Astronautical Congress 2010, Prague, Czech Republic, 27 Sept - 1 Oct, 2010.

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

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

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; 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; 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

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