(3666) Holman Main-belt Asteroid
Discovered on 19 April 1979 by J. C. Muzzio at Cerro Tololo.
Where Holman is today
Seen from above the solar system on 2026-10-14: Holman is 3.30 au from the Sun and 2.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3666 |
| Provisional designation | 1979 HP |
| Orbit class | Main-belt Asteroid |
| Diameter | 20.3 km (#2,166 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0660 |
| Rotation period | 35.5 hours |
| Absolute magnitude (H) | 12.38 |
| Orbital period | 5.50 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.71 – 3.52 au |
| Eccentricity | 0.130 |
| Inclination | 2.37° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.