(3463) Kaokuen Main-belt Asteroid
Discovered on 3 December 1981 by Purple Mountain Observatory at Nanking.
Where Kaokuen is today
Seen from above the solar system on 2026-10-14: Kaokuen is 2.63 au from the Sun and 2.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3463 |
| Provisional designation | 1981 XJ2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.2 km (#3,344 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0360 |
| Rotation period | 38.9 hours |
| Absolute magnitude (H) | 13.35 |
| Orbital period | 3.83 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.12 – 2.78 au |
| Eccentricity | 0.134 |
| Inclination | 3.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.