Physics
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nyasa.822....6h&link_type=abstract
Near-Earth Objects, the United Nations International Conference: Proceedings of the international conference held April 24-26, 1
Physics
7
Asteroids, Comets, Detection, Hazards, Hypervelocity Impact, Hypervelocity Projectiles, Tracking Networks, Near Earth Asteroid Rendezvous Mission, Crossings, Photographs, Meteoritic Damage, Impact Melts, Tracking Stations
Scientific paper
The discoveries of near-Earth asteroids (NEA's) and comets have increased enormously over the last 10-20 years. This is a consequence in large par; of the success of programs that have systematically searched for these objects. These programs have been motivated by the relationships of NEA's to terrestrial impacts, meteorites, comets, and their relative accessibility to spacecraft missions. This paper will review the long-term Palomar Planet Crossing Asteroid Survey (PCAS) a photographic program and the current Near-Earth Asteroid Tracking (NEAT) system NASA's new electronic detection program. The primary goal of NEAT is to discover and inventory near-Earth asteroids and comets, collectively called near-Earth objects or NEO's, larger than 1 km in size. Details of the NEAT system and program results are presented and discussed.
Helin Eleanor F.
Lawrence Kenneth J.
Pravdo Steven Howard
Rabinowitz David L.
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