Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2488....1h&link_type=abstract
The Astronomer's Telegram, #2488
Astronomy and Astrophysics
Astronomy
Asteroids, Planets, Planets (Minor), Solar System Objects
Scientific paper
The near-Earth asteroid 4486 Mithra (1987 SB) was discovered September 20 1987 by V. Shkodrov and E. Elst (IAUC 4464). With an Absolute Magnitude H=15.6 and a Minimum Orbit Intersection Distance MOID=0.046 AU, it is one of the largest bodies flagged as a Potentially Hazardous Asteroid (PHA) by the Minor Planet Center (P=0.9945). Radar echoes obtained at Arecibo and Goldstone (Ostro et al. DPS Meeting #32, #08.07, 2000) reveal that the object is extremely bifurcated as well as slowly rotating (P_rot~100 hr), with a pronounced double-lobed structure apparent in the delay-Doppler imaging.
Hicks Michael
Lawrence Kenneth
McAuley A.
Somers J.
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