(3476) Dongguan Main-belt Asteroid
Discovered on 28 October 1978 by Purple Mountain Observatory at Nanking.
Where Dongguan is today
Seen from above the solar system on 2026-10-14: Dongguan is 3.76 au from the Sun and 4.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3476 |
| Provisional designation | 1978 UF2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 31.5 km (#1,298 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0309 |
| Absolute magnitude (H) | 11.88 |
| Orbital period | 5.62 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.55 – 3.77 au |
| Eccentricity | 0.194 |
| Inclination | 21.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.57 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 28 October 1978
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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