The Near Earth Object Surveillance Satellite (NEOSSat), a Survey Telescope on a Micro-Satellite Platform

Details The Near Earth Object Surveillance Satellite (NEOSSat), a Survey Telescope on a Micro-Satellite Platform The Near Earth Object Surveillance Satellite (NEOSSat), a Survey Telescope on a Micro-Satellite Platform

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....40.3221l&link_type=abstract

American Astronomical Society, DPS meeting #40, #32.21; Bulletin of the American Astronomical Society, Vol. 41, p.561

Astronomy and Astrophysics

Astronomy

Scientific paper

Although ground-based telescopes have made significant progress in finding near-Earth asteroids (NEA's), marked advantage exist in performing the search from space. The ability to search the ecliptic plane at closer elongations to the Sun, use parallax to discriminate NEA's from those of the Main Belt through distance determinations, and being able to observe continuously are the most significant advantages of a space platform. The Canadian Space Agency (CSA) together with Defense Research and Development Canada (DRDC) are building a micro-satellite platform with a 15 cm telescope dedicated for near space surveillance. The NEOSSat (Near Earth Object Surveillance) spacecraft is expected to be able to detect 20 V magnitude objects with a 100 sec exposure, with a 0.86 deg FOV, on a 1024x1024 CCD, and sub-arcsecond pointing stability. For discovery of NEA's, it will search an area from 45 to 55 degrees solar elongation along the ecliptic plane and ± 40 degrees ecliptic latitude. The observation strategy will be optimized, based upon recent models of the NEA population. Ground-based telescopes will also be used to do follow-ups for orbit determination when possible. The micro-satellite bus and instrument are based on the successful CSA MOST micro-satellite, operating on orbit since 2003. NEOSSat is a shared project with DRDC who will demonstrate the capability of an inexpensive space platform to detect high earth-orbiting satellites and debris (High Earth Orbit Space Surveillance - HEOSS). NEOSSat is base lined for launch in 2010.

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