The NEO-VIS Asteroid Survey Mission

Details The NEO-VIS Asteroid Survey Mission The NEO-VIS Asteroid Survey Mission

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006dps....38.4507r&link_type=abstract

American Astronomical Society, DPS meeting #38, #45.07; Bulletin of the American Astronomical Society, Vol. 38, p.568

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a space-based concept to detect and track NEOs down to a size limit of 140-meters in several years of on-orbit operation. The mission, called NEO-VIS, is based upon a rebuild of the Kepler observatory consisting of a high-reliability deep-space spacecraft carrying a visible-light 0.95-meter aperture, f/1.4, wide-field Schmidt telescope. The NEO-VIS focal plane is a large-format panchromatic CCD array having a limiting sensitivity of Mv 23.6. NEO-VIS can be launched on a Delta-II-class booster and uses a single, passive, gravity-assisted fly-by of Venus to achieve its final operating orbit of 0.6AU by 0.8AU having an orbital period of 214 days. This ideal NEO finding location has continuous access to the anti-sun half of the full sky and enable NEO-VIS to perform its own follow-up observations. NEO-VIS can detect >90% of all 140-meter objects in heliocentric orbits out to 1.3AU having albedos greater than 10%. Depending on albedo and diameter, NEO-VIS will also detect objects closer to the Earth that are smaller ( 100-meters in diameter) and darker (albedos of 5%).

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