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First results on comparison of GEO and HEO object brightness

30 th IADC Meeting, May 22-25, 20 1 2 Montreal, Canada. First results on comparison of GEO and HEO object brightness. Presentation of the Roscosmos delegation to the IADC WG1 Vladimir Agapov, Igor Molotov KIAM RAS, Moscow, Russia. HEO Observations by ISON.

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First results on comparison of GEO and HEO object brightness

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  1. 30th IADC Meeting, May 22-25, 2012 Montreal, Canada First results on comparison of GEO and HEO object brightness Presentation of the Roscosmos delegation to the IADC WG1 Vladimir Agapov, Igor Molotov KIAM RAS, Moscow, Russia

  2. HEO Observations by ISON • Observations of HEO are obtained mostly as an additional output of regular GEO surveys • Measurements are collected for 1585 HEO objects, including 270 ones for which data are not provided at SpaceTrack • Data are not analyzed yet by an object type (spacecraft, upper stages, fragments) in a manner of GEO objects so only common data are presented • Standard brightness (referring to 40000 km distance and zero phase angle) is calculated

  3. ISON Tracked GEO Objects Distribution by Standard Magnitude – 1704 objects

  4. Conclusions Measurement information is collected for 1585 HEO objects in the ISON, including 270 ones without orbital data at SpaceTrack First results of analysis of HEO objects brightness distribution are obtained Standard brightness distribution for HEO objects tracking by ISON seems is different to the one for GEO objects. But it is not possible to make a definitive conclusion at this moment. The study is continuing.

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