(2790) Needham Main-belt Asteroid
Discovered on 19 October 1965 by Purple Mountain Observatory at Nanking.
Where Needham is today
Seen from above the solar system on 2026-10-14: Needham is 2.29 au from the Sun and 2.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2790 |
| Provisional designation | 1965 UU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.91 km (#6,675 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.339 |
| Absolute magnitude (H) | 12.58 |
| Orbital period | 4.32 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.18 – 3.13 au |
| Eccentricity | 0.179 |
| Inclination | 14.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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
- (2085) Henan
- (2162) Anhui
- (2169) Taiwan
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