(3611) Dabu Main-belt Asteroid
Discovered on 20 December 1981 by Purple Mountain Observatory at Nanking.
Where Dabu is today
Seen from above the solar system on 2026-10-14: Dabu is 3.13 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3611 |
| Provisional designation | 1981 YY1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.0 km (#3,383 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Rotation period | 31.9 hours |
| Spectral type | Ch |
| Absolute magnitude (H) | 13.11 |
| Orbital period | 4.66 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.19 – 3.38 au |
| Eccentricity | 0.214 |
| Inclination | 8.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 December 1981
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
← (3610) Decampos · (3612) Peale →