(3142) Kilopi Main-belt Asteroid
Discovered on 9 January 1937 by A. Patry at Nice.
Where Kilopi is today
Seen from above the solar system on 2026-10-14: Kilopi is 2.35 au from the Sun and 2.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3142 |
| Provisional designation | 1937 AC |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.00 km (#6,581 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.225 |
| Rotation period | 15.1 hours |
| Absolute magnitude (H) | 12.38 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.32 – 2.78 au |
| Eccentricity | 0.0909 |
| Inclination | 14.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.