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11885 Summanus

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Discovered by  Spacewatch
MPC designation  1990 SS
Minor planet category  Apollo NEO
Discovered  25 September 1990
Asteroid group  Apollo asteroid
Discovery date  25 September 1990
Alternative names  MPO 196501
Observation arc  7504 days (20.54 yr)
Absolute magnitude  18.5
Discoverer  Spacewatch
Discovery site  Kitt Peak National Observatory
People also search for  11311 Peleus, 38086 Beowulf

11885 Summanus (also designated 1990 SS) is an asteroid that is a Near-Earth Object (NEO) and an Apollo asteroid.

Contents

Discovery and naming

11885 Summanus was discovered by Spacewatch on September 25, 1990, the first fully automatic discovery of a near-Earth asteroid. The name Summanus is symbolic of the discovery of the asteroid by software running on a (lightning-fast) computer.

Orbit

The orbit is well-established with over 20 years of observations. The closest approach to the Earth in the years 1900–2200 is 0.102 AU (15,300,000 km; 9,500,000 mi) on March 17, 1991, and March 17, 2011. For comparison, the distance to the Moon is about 0.0026 AU (390,000 km; 240,000 mi).

References

11885 Summanus Wikipedia


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