(5306) Fangfen Main-belt Asteroid
Discovered on 25 January 1980 by Harvard Observatory at Harvard.
Where Fangfen is today
Seen from above the solar system on 2026-10-14: Fangfen is 2.69 au from the Sun and 1.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5306 |
| Provisional designation | 1980 BB |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.30 km (#6,304 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.279 |
| Rotation period | 3.94 hours |
| Absolute magnitude (H) | 12.76 |
| Orbital period | 4.83 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.66 – 3.06 au |
| Eccentricity | 0.0702 |
| Inclination | 3.13° |
| Closest distance between its orbit and Earth's (MOID) | 1.65 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.