(3078) Horrocks Main-belt Asteroid
Discovered on 31 March 1984 by E. Bowell at Anderson Mesa.
Where Horrocks is today
Seen from above the solar system on 2026-10-14: Horrocks is 3.38 au from the Sun and 2.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3078 |
| Provisional designation | 1984 FG |
| Orbit class | Main-belt Asteroid |
| Diameter | 28.3 km (#1,461 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Rotation period | 13.6 hours |
| Absolute magnitude (H) | 11.73 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.81 – 3.48 au |
| Eccentricity | 0.106 |
| Inclination | 7.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.