(644) Cosima
|
Asteroid (644) Cosima |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,599 AU |
| eccentricity | 0.155 |
| Perihelion - aphelion | 2.196 AU - 3.002 AU |
| Inclination of the orbit plane | 1 ° |
| Length of the ascending node | 110 ° |
| Argument of the periapsis | 269.2 ° |
| Time of passage of the perihelion | 4th June 2012 |
| Sidereal period | 4 a 69 d |
| Mean orbital velocity | 18.4 km / s |
| Physical Properties | |
| Medium diameter | (19.9 ± 1.5) km |
| Albedo | 0.16 |
| Rotation period | 15 h 8 min |
| Absolute brightness | 11.1 mag |
| Spectral class | S. |
| history | |
| Explorer | August Kopff |
| Date of discovery | September 7, 1907 |
| Another name | 1907 AA |
| 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. | |
(644) Cosima is an asteroid of the main belt that was discovered on September 7, 1907 by the German astronomer August Kopff in Heidelberg .
The asteroid is named after Cosima Wagner , the wife of the composer Richard Wagner .