Discovered by Mount Lemmon Survey MPC designation 2011 GA Minor planet category Apollo
NEO, PHA Absolute magnitude 21 Discoverer Mount Lemmon Survey | Discovery date April 1, 2011 Alternative names MPO 200327 Discovered 1 April 2011 Asteroid group Apollo asteroid | |
Discovery site Catalina Mountains north of Tucson, Arizona, USA | ||
2011 GA is a small asteroid that is a Near-Earth object and an Apollo asteroid.
Orbit
The orbit of 2011 GA makes it a Potentially Hazardous Asteroid (PHA) that is predicted to pass within 0.02 AU (3,000,000 km; 1,900,000 mi) of the Earth on Oct 14, 2023. For comparison, the distance to the Moon is about 0.0026 AU (384,400 km). The asteroid passed within 0.06 AU (9,000,000 km; 5,600,000 mi) from Earth around October 15, 1977.
The Jupiter Tisserand invariant, used to distinguish different kinds of orbits, is 3.821.
References
2011 GA Wikipedia(Text) CC BY-SA