(493) Griseldis
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Asteroid (493) Griseldis |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.122 AU |
| eccentricity | 0.172 |
| Perihelion - aphelion | 2.587 AU - 3.657 AU |
| Inclination of the orbit plane | 15.2 ° |
| Length of the ascending node | 357.5 ° |
| Argument of the periapsis | 47.2 ° |
| Time of passage of the perihelion | February 10, 2008 |
| Sidereal period | 5 a 189 d |
| Mean orbital velocity | 16.7 km / s |
| Physical Properties | |
| Medium diameter | 41,550 km (± 0.193) |
| Albedo | 0.06 |
| Rotation period | 51.9 h |
| Absolute brightness | 10.9 likes |
| history | |
| Explorer | Max Wolf |
| Date of discovery | September 7, 1902 |
| Another name | 1902 JS, A915 BB |
| 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. | |
(493) Griseldis is an asteroid of the main belt that was discovered on September 7, 1902 by the German astronomer Max Wolf in Heidelberg .
The name of the asteroid is derived from Griseldis , the title character of a popular story.
On March 17 and 21, 2015, anomalies were observed at Griseldis, which can be explained by the collision with a smaller object.