(823) Sisigambis
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Asteroid (823) Sisigambis |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.222 AU |
| eccentricity | 0.09 |
| Perihelion - aphelion | 2.023 AU - 2.421 AU |
| Inclination of the orbit plane | 3.7 ° |
| Length of the ascending node | 255.1 ° |
| Argument of the periapsis | 218.5 ° |
| Time of passage of the perihelion | August 24, 2011 |
| Sidereal period | 3 a 114 d |
| Mean orbital velocity | 19.9 km / s |
| Physical Properties | |
| Medium diameter | approx. 17 km |
| Albedo | 0.18 |
| Rotation period | 21.0 h |
| Absolute brightness | 11.4 mag |
| history | |
| Explorer | Max Wolf |
| Date of discovery | March 31, 1916 |
| Another name | 1916 ZG, 1937 QE, 1939 FA 1 |
| 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. | |
(823) Sisigambis is an asteroid of the main belt that was discovered on March 31, 1916 by the German astronomer Max Wolf in Heidelberg .
The asteroid is named after Sisigambis , mother of the Persian King Darius III.