(785) Zwetana
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Asteroid (785) Zwetana |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4589 AU |
| eccentricity | 0.2107 |
| Perihelion - aphelion | 2.0276 AU - 3.1102 AU |
| Inclination of the orbit plane | 12.732 ° |
| Sidereal period | 4,117 a |
| Mean orbital velocity | 18.58 km / s |
| Physical Properties | |
| Medium diameter | 48.54 km |
| Albedo | 0.1245 |
| Rotation period | 8.919 h |
| Absolute brightness | 9.233 likes |
| Spectral class | M. |
| history | |
| Explorer | A. Massinger |
| Date of discovery | 1914 |
| Another name | 1914 UN, 1929 YB, 1931 MC |
| 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. | |
(785) Zwetana is an asteroid of the main belt , which was discovered on March 30, 1914 by the German astronomer Adam Massinger in Heidelberg .
The asteroid was named after Tsvetana Popova , the daughter of K. Popov from Sofia , Bulgaria .
Further orbit parameters (December 9, 2014) are:
- Length of the ascending node : 71.893 °
- Argument of the perihelion : 131.557 °