(545) Messalina Outer Main-belt Asteroid
Discovered on 3 October 1904 by P. Gotz at Heidelberg.
Where Messalina is today
Seen from above the solar system on 2026-10-14: Messalina is 3.65 au from the Sun and 4.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 545 |
| Provisional designation | A904 TC |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 113 km (#185 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0410 |
| Rotation period | 7.20 hours |
| Spectral type | CD |
| Absolute magnitude (H) | 8.79 |
| Orbital period | 5.73 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.64 – 3.76 au |
| Eccentricity | 0.175 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by P. Gotz
- (538) Friederike
- (543) Charlotte
- (544) Jetta
- (546) Herodias
- (547) Praxedis
- (548) Kressida
- (554) Peraga
- (556) Phyllis
- (563) Suleika
- (564) Dudu
- (566) Stereoskopia
- (567) Eleutheria
← (544) Jetta · (546) Herodias →