(197) Arete
|
Asteroid (197) Arete |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.74 AU |
| eccentricity | 0.16 |
| Perihelion - aphelion | 2.301 AU - 3.179 AU |
| Inclination of the orbit plane | 8.8 ° |
| Length of the ascending node | 81.7 ° |
| Argument of the periapsis | 246.5 ° |
| Time of passage of the perihelion | October 15, 2011 |
| Sidereal period | 4 a 196 d |
| Mean orbital velocity | 17.9 km / s |
| Physical Properties | |
| Medium diameter | (29.2 ± 2.4) km |
| Albedo | 0.44 |
| Rotation period | 6.6 h |
| Absolute brightness | 9.2 likes |
| Spectral class | S. |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | May 21, 1879 |
| 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. | |
(197) Arete is an asteroid of the main belt and was discovered on May 21, 1879 by the Austrian astronomer Johann Palisa .
The asteroid was named after Arete , the wife of King Alcinous of the Phaiacs in Greek mythology .