(545) Messalina
Asteroid (545) Messalina |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Major semi-axis | 3,201 AU |
eccentricity | 0.169 |
Perihelion - aphelion | 2.661 AU - 3.741 AU |
Inclination of the orbit plane | 11.1 ° |
Length of the ascending node | 334.2 ° |
Argument of the periapsis | 326.4 ° |
Time of passage of the perihelion | 23 August 2011 |
Sidereal period | 5 a 265 d |
Mean orbital velocity | 16.5 km / s |
Physical Properties | |
Medium diameter | 111.30 km |
Albedo | 0.0415 |
Rotation period | 7 h 12 min |
Absolute brightness | 8.84 likes |
Spectral class | CD |
history | |
Explorer | Paul Goetz |
Date of discovery | October 3, 1904 |
Another name | 1904 OY, 1949 YH, 1973 YO 4 |
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. |
(545) Messalina is an asteroid of the main belt that was discovered on October 3, 1904 by the German astronomer Paul Götz in Heidelberg .
The asteroid is named after the Roman Empress Valeria Messalina .