(2991) Bilbo Main-belt Asteroid
Discovered on 21 April 1982 by M. Watt at Anderson Mesa.
Where Bilbo is today
Seen from above the solar system on 2026-10-14: Bilbo is 2.55 au from the Sun and 1.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2991 |
| Provisional designation | 1982 HV |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.82 km (#6,758 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.115 |
| Rotation period | 4.06 hours |
| Absolute magnitude (H) | 13.74 |
| Orbital period | 3.57 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 1.82 – 2.85 au |
| Eccentricity | 0.221 |
| Inclination | 5.15° |
| Closest distance between its orbit and Earth's (MOID) | 0.803 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.