Discovery | |
---|---|
Discovered by | Paul Götz |
Discovery site | Heidelberg |
Discovery date | 3 October 1904 |
Designations | |
(545) Messalina | |
Pronunciation | /mɛsəˈliːnə/[1] or /mɛsəˈlaɪnə/[2] |
1904 OY | |
Orbital characteristics[3] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 111.54 yr (40741 d) |
|{{{apsis}}}|helion}} | 3.7428 astronomical unit|AU (559.91 Gm) |
|{{{apsis}}}|helion}} | 2.6600 AU (397.93 Gm) |
3.2014 AU (478.92 Gm) | |
Eccentricity | 0.16912 |
Orbital period | 5.73 yr (2092.2 d) |
Mean anomaly | 305.368° |
Mean motion | 0° 10m 19.416s / day |
Inclination | 11.204° |
Longitude of ascending node | 333.638° |
330.686° | |
Physical characteristics | |
Mean radius | 55.645±2.15 km |
Rotation period | 7.2 h (0.30 d) |
Geometric albedo | 0.0415±0.003 |
Absolute magnitude (H) | 8.84 |
Messalina (minor planet designation: 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.[4][5][6]
Original source: https://en.wikipedia.org/wiki/545 Messalina.
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