(642) Clara Main-belt Asteroid
Discovered on 8 September 1907 by M. F. Wolf at Heidelberg.
👶 Clara as a baby name🐶 Clara as a dog name🐱 Clara as a cat name
Where Clara is today
Seen from above the solar system on 2026-10-14: Clara is 3.48 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 642 |
| Provisional designation | A907 RJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 33.4 km (#1,215 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.162 |
| Rotation period | 8.23 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.1 |
| Orbital period | 5.69 years |
| Semi-major axis | 3.19 au |
| Perihelion – aphelion | 2.78 – 3.60 au |
| Eccentricity | 0.129 |
| Inclination | 8.17° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.