Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991plas.rept..158h&link_type=abstract
In NASA, Washington, Reports of Planetary Astronomy, 1991 p 158 (SEE N92-12792 03-89)
Astronomy and Astrophysics
Astronomy
Asteroids, Earth (Planet), Radar Astronomy, Radar Echoes, Astrometry, Orbital Elements, Orbital Mechanics, Radar Tracking
Scientific paper
Several of our near-Earth asteroid (NEA) discoveries made relatively close approaches to the Earth allowing successful radar observations to be made. Detection of echoes from these asteroids provides otherwise unavailable information about their physical properties. Also, our role in alerting radar astronomers about new candidate asteroids makes it possible for them to acquire critical astrometry which improves the orbital elements of the new discovery.
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