(3280) Grétry
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Asteroid (3280) Grétry |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Astraea family |
| Major semi-axis | 2.5807 AU |
| eccentricity | 0.1771 |
| Perihelion - aphelion | 2.1237 AU - 3.0377 AU |
| Inclination of the orbit plane | 2.225 ° |
| Sidereal period | 4,146 a |
| Mean orbital velocity | 18.54 km / s |
| Physical Properties | |
| Medium diameter | approx. 9 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 12.4 mag |
| Spectral class | ? |
| history | |
| Explorer | F. Rigaux |
| Date of discovery | September 17, 1933 |
| Another name | 1933 SJ, 1954 UL 2 , 1954 WB |
| 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. | |
(3280) Grétry is an asteroid of the main belt , which on 17 September 1933 by the Belgian astronomer Fernand Rigaux in Ukkel was discovered.
The asteroid is named after the Belgian composer André-Ernest-Modeste Grétry .