(2085) Henan Main-belt Asteroid
Discovered on 20 December 1965 by Purple Mountain Observatory at Nanking.
Named for the province situated in the lower stretch of the Yellow River, the cradle of civilization in ancient China.Naming citation (MPC 5184), IAU / Minor Planet Center, via NASA/JPL
Where Henan is today
Seen from above the solar system on 2026-10-14: Henan is 2.61 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2085 |
| Provisional designation | 1965 YA |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.4 km (#3,588 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.131 |
| Rotation period | 217 hours |
| Spectral type | L |
| Absolute magnitude (H) | 11.93 |
| Orbital period | 4.44 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.47 – 2.93 au |
| Eccentricity | 0.0840 |
| Inclination | 3.83° |
| Closest distance between its orbit and Earth's (MOID) | 1.49 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 December 1965
More named asteroids discovered by Purple Mountain Observatory
- (1125) China
- (1802) Zhang Heng
- (1888) Zu Chong-Zhi
- (1972) Yi Xing
- (2012) Guo Shou-Jing
- (2027) Shen Guo
- (2045) Peking
- (2077) Kiangsu
- (2078) Nanking
- (2162) Anhui
- (2169) Taiwan
- (2184) Fujian
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