545 Messalina
| Discovery | |
|---|---|
| Discovered by | Paul Götz |
| Discovery site | Heidelberg |
| Discovery date | 3 October 1904 |
| Designations | |
| (545) Messalina | |
| Pronunciation | /mɛsəˈliːnə/ or /mɛsəˈlaɪnə/ |
| 1904 OY | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.54 yr (40741 d) |
| Aphelion | 3.7428 AU (559.91 Gm) |
| Perihelion | 2.6600 AU (397.93 Gm) |
| 3.2014 AU (478.92 Gm) | |
| Eccentricity | 0.16912 |
| 5.73 yr (2092.2 d) | |
| 305.368° | |
| 0° 10m 19.416s / day | |
| Inclination | 11.204° |
| 333.638° | |
| 330.686° | |
| Physical characteristics | |
| 55.645±2.15 km | |
| 7.2 h (0.30 d) | |
| 0.0415±0.003 | |
| 8.84 | |
545 Messalina is a minor planet, specifically an asteroid orbiting primarily in the asteroid belt. It was discovered on 3 October 1904 by Paul Götz (provisional name 1904 OY), at Heidelberg. It is named after Valeria Messalina, the third wife of Roman Emperor Claudius.