(1802) Zhang Heng Main-belt Asteroid
Discovered on 9 October 1964 by Purple Mountain Observatory at Nanking.
Where Zhang Heng is today
Seen from above the solar system on 2026-10-14: Zhang Heng is 2.84 au from the Sun and 2.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1802 |
| Provisional designation | 1964 TW1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.3 km (#3,599 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.228 |
| Rotation period | 3.16 hours |
| Absolute magnitude (H) | 11.71 |
| Orbital period | 4.80 years |
| Semi-major axis | 2.84 au |
| Perihelion – aphelion | 2.75 – 2.94 au |
| Eccentricity | 0.0328 |
| Inclination | 2.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 October 1964
- (2012) Guo Shou-Jing
- (2184) Fujian
- (2515) Gansu
- (2547) Hubei
- (3502) Huangpu
- (3542) Tanjiazhen
- (4360) Xuyi
- (5537) Sanya
- (5538) Luichewoo
More named asteroids discovered by Purple Mountain Observatory
- (1125) China
- (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
- (2184) Fujian
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