(649) Josefa
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Asteroid (649) Josefa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.548 AU |
| eccentricity | 0.277 |
| Perihelion - aphelion | 1.842 AU - 3.254 AU |
| Inclination of the orbit plane | 12.7 ° |
| Length of the ascending node | 357.2 ° |
| Argument of the periapsis | 348.9 ° |
| Time of passage of the perihelion | May 29, 2009 |
| Sidereal period | 4 a 24 d |
| Mean orbital velocity | 18.3 km / s |
| Physical Properties | |
| Rotation period | 10 h 29 min |
| Absolute brightness | 12.7 mag |
| history | |
| Explorer | August Kopff |
| Date of discovery | September 11, 1907 |
| Another name | 1907 AF |
| 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. | |
(649) Josefa is an asteroid of the main belt that was discovered on September 11, 1907 by the German astronomer August Kopff in Heidelberg .
The origin of the name is unclear.
See also
Web links
- Asteroid Josefa: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (649) Josefa in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).