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Astronomical Institute University of Bern 31 th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Catalogue of High AMR GEO-like Debris T. Schildknecht,

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Presentation on theme: "Astronomical Institute University of Bern 31 th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Catalogue of High AMR GEO-like Debris T. Schildknecht,"— Presentation transcript:

1 Astronomical Institute University of Bern 31 th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Catalogue of High AMR GEO-like Debris T. Schildknecht, A. Hinze, J. Herzog, J. Silha, A. Vananti Astronomical Institute, University of Bern, Switzerland T. Flohrer, H. Krag Space Debris Office, ESA/ESOC, Germany

2 Slide 2 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Why do we Maintain Catalogue of Debris?  Open Questions Population ­how many? ­size distribution? ­orbit regions? ­nature of objects? ­sources, sinks? Physics/Mechanisms ­creation ­evolution of orbits Long-term monitoring of environment  identification of new sources  verification of evolution models

3 Slide 3 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Characteristics of Observation Campaigns  Four types of observations 1.GEO surveys: search area optimized for GEO orbits with 0-20° inclination blind tracking optimized for object in GEO 2.GTO surveys: search area and blind tracking optimized for GTO orbits with 0-20° inclination (Ariane GTO launches) 3.MEO surveys: survey of current MEO constellations completed (2011) surveys for eccentric MEO orbits to be started in 2012 4.Follow-up observation to maintain HAMR catalogue: follow-up of subset of objects discovered in surveys (maintenance of a catalogue of debris objects) arcs between a few hours up to many months

4 Slide 4 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany OGS Observation Statistics Repartition of Observation Time

5 Slide 5 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany ESA 2008 GEO/GTO Surveys Continuous program, ~80 nights per year

6 Slide 6 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany High AMR GEO/GTO Catalogue Discover new objects: Obs. From Tenerife (OGS, AIUB) Secure orbits: obs. from OGS, Zimmerwald (AIUB) Maintain orbits: obs. from OGS, Zimmerwald, international partners, International Scientific Optical observation Network (ISON),...  Daily orbit maintenance at AIUB and Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences (KIAM)  Orbit catalogue of high-altitude space debris Provide predictions:  To other partners (CNES, JAXA, NASA, Roscosmos...)  to investigate physical properties of objects

7 Slide 7 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Sensors 1-m ESA Telescope Tenerife 1-m ZIMLAT Switzerland

8 Slide 8 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany “Hard to Find, Easy to Loose”

9 Slide 9 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany HAMR Catalogue Statistics

10 Slide 10 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany “Routine” ZIMLAT Support ZIMLAT Observation Nights ZIMLAT Observations / Objects

11 Slide 11 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany 6-param. Orbits - i vs Ω

12 Slide 12 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany High AMR GEO/GTO Catalogue

13 Slide 13 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany High AMR GEO/GTO Catalogue

14 Slide 14 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany High AMR GEO/GTO Catalogue

15 Slide 15 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany High AMR GEO/GTO Catalogue

16 Slide 16 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Conclusions Continuous GEO/GTO/(MEO) surveys  long-term monitoring  continuous search for high AMR objects Catalogue of high AMR GEO objects  major objective is to enable physical characterization  orbits secured by involving near real-time hand–over to Zimmerwald (25% of Zimmerwald observation time)  orbits maintenance by sharing the data in a network of observatories (KIAM, ISON)  light curves acquired for majority of catalogued objects Input for MASTER model  data used to validate MASTER 2009 model (MLI population)

17 Slide 17 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Acknowledgments Great thanks to our observers at the OGS and Zimmerwald! Support in the form observations to maintain the orbits is provided by the Keldysh Institute of Applied Mathematics (KIAM) in the framework of the ISON collaboration (AIUB-KIAM collaboration).

18 Slide 18 Astronomical Institute University of Bern T. Schildknecht: Optical Surveys for Space Debris in Highly Eccentric MEO Orbits 31th IADC Meeting, April 17 - 19, 2013, ESOC, Darmstadt, Germany Repartition of ZIMLAT Time (2012) Catalogue of GEO/GTO high AMR objects

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