Benefits of hosted payload architectures for improved GEO SSA

Details Benefits of hosted payload architectures for improved GEO SSA Benefits of hosted payload architectures for improved GEO SSA

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011amos.confe..26v&link_type=abstract

Proceedings of the Advanced Maui Optical and Space Surveillance Technologies Conference, held in Wailea, Maui, Hawaii, September

Physics

Scientific paper

Maintaining a precise catalog of objects in and near the GEO belt is difficult for a variety of reasons. Optical Hosted Payloads (HP) on commercial satellites have been suggested as a solution to provide accurate, persistent catalog updates to augment existing data or even relieve schedule burden on traditional tracking systems. However, significant questions remain about what architecture requirements are necessary for stable orbit determination solutions, accuracy improvements over traditional tracking systems, and optimal catalog coverage. System trades are performed using COTS software to determine the influence of number, frequency, and accuracy of observations on orbit solution stability and uncertainty. System configurations are also evaluated against catalog coverage metrics such as number and percent of objects observed, number of tracks per day, and revisit times. Initial results show that some assumed configurations can produce stable, accurate orbit solutions for most of the catalog in and near GEO. Fusing observations from HP sensors with traditional ground data may yield dramatic improvements in positional uncertainty of one to two orders of magnitude, often with multiple observations each day.

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