(577) Rhea
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Asteroid (577) Rhea |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.111 AU |
| eccentricity | 0.155 |
| Perihelion - aphelion | 2.63 AU - 3.592 AU |
| Inclination of the orbit plane | 5.3 ° |
| Length of the ascending node | 328.6 ° |
| Argument of the periapsis | 331.5 ° |
| Time of passage of the perihelion | July 2, 2009 |
| Sidereal period | 5 a 178 d |
| Mean orbital velocity | 16.8 km / s |
| Physical Properties | |
| Medium diameter | 39.52 km |
| Albedo | 0.1792 |
| Rotation period | 12 h 16 min |
| Absolute brightness | 9.5 likes |
| history | |
| Explorer | Max Wolf |
| Date of discovery | October 20, 1905 |
| Another name | 1905 RH, 1943 QD, 1952 DC |
| 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. | |
(577) Rhea is an asteroid of the main belt , which on 20 October 1905 by German astronomer Max Wolf in Heidelberg was discovered.
The asteroid was named after the titan Rhea from Greek mythology .