(4630) Chaonis Main-belt Asteroid
Discovered on 18 November 1987 by J. M. Baur at Chions.
Where Chaonis is today
Seen from above the solar system on 2026-10-14: Chaonis is 2.33 au from the Sun and 1.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4630 |
| Provisional designation | 1987 WA |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.53 km (#7,084 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.136 |
| Rotation period | 5.40 hours |
| Absolute magnitude (H) | 13.08 |
| Orbital period | 4.36 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.33 – 3.01 au |
| Eccentricity | 0.128 |
| Inclination | 5.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 November 1987
More named asteroids discovered by J. M. Baur
← (4629) Walford · (4631) Yabu →