(122) Gerda
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Asteroid (122) Gerda |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3,220 AU |
| eccentricity | 0.0393 |
| Perihelion - aphelion | 3.093 AU - 3.346 AU |
| Inclination of the orbit plane | 1.64 ° |
| Length of the ascending node | 178.4 ° |
| Argument of the periapsis | 324.8 ° |
| Time of passage of the perihelion | December 28, 2013 |
| Sidereal period | 5 a 284 d |
| Mean orbital velocity | 16.6 km / s |
| Physical Properties | |
| Medium diameter | approx. 82 km |
| Albedo | 0.19 |
| Rotation period | 10 h 41 min |
| Absolute brightness | 7.9 likes |
| history | |
| Explorer | CHF Peters |
| Date of discovery | July 31, 1872 |
| Another name | 1948 TQ 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. | |
(122) Gerda is an asteroid of the outer main asteroid belt . It was discovered on July 31, 1872 by Christian Heinrich Friedrich Peters and is named after the Germanic deity Gerda .
Gerda moves between 3.1 ( perihelion ) astronomical units and 3.4 astronomical units ( aphelion ) around the sun in 5.6 years . The orbit is inclined 1.6371 ° to the ecliptic , the orbital eccentricity is 0.04.
Gerda has an average diameter of about 82 km. It has a relatively light surface with an albedo of 0.19. It rotates around the axis in around 10 hours and 41 minutes.