(577) Rhea
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 .