(657) Gunlöd
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Asteroid (657) Gunlöd |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.61 AU |
| eccentricity | 0.115 |
| Perihelion - aphelion | 2.311 AU - 2.909 AU |
| Inclination of the orbit plane | 10.2 ° |
| Length of the ascending node | 297.7 ° |
| Argument of the periapsis | 244.7 ° |
| Time of passage of the perihelion | December 5, 2009 |
| Sidereal period | 4 a 79 d |
| Mean orbital velocity | 18.4 km / s |
| Physical Properties | |
| Medium diameter | 42.52 km (± 1.4) |
| Albedo | 0.04 |
| Rotation period | 15 h 40 min |
| Absolute brightness | 10.93 mag |
| history | |
| Explorer | August Kopff |
| Date of discovery | January 23, 1908 |
| Another name | 1908 BV |
| 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. | |
(657) Gunlöd is an asteroid of the main belt that was discovered on January 23, 1908 by the German astronomer August Kopff in Heidelberg .
The asteroid was named after the giantess Gunnlöð from Nordic mythology.