(2542) Calpurnia Main-belt Asteroid
Discovered on 11 February 1980 by E. Bowell at Anderson Mesa.
Where Calpurnia is today
Seen from above the solar system on 2026-10-14: Calpurnia is 3.27 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2542 |
| Provisional designation | 1980 CF |
| Orbit class | Main-belt Asteroid |
| Diameter | 20.9 km (#2,095 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.102 |
| Rotation period | 16.9 hours |
| Absolute magnitude (H) | 11.8 |
| Orbital period | 5.53 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.87 – 3.38 au |
| Eccentricity | 0.0818 |
| Inclination | 4.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by E. Bowell
- (2246) Bowell
- (2264) Sabrina
- (2270) Yazhi
- (2316) Jo-Ann
- (2356) Hirons
- (2357) Phereclos
- (2383) Bradley
- (2409) Chapman
- (2410) Morrison
- (2411) Zellner
- (2421) Nininger
- (2432) Soomana
← (2541) Edebono · (2543) Machado →