(212) Medea
|
Asteroid (212) Medea |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.12 AU |
| eccentricity | 0.106 |
| Perihelion - aphelion | 2.79 AU - 3.45 AU |
| Inclination of the orbit plane | 4.26 ° |
| Length of the ascending node | 313.5 ° |
| Argument of the periapsis | 100.6 ° |
| Sidereal period | 5.50 a |
| Mean orbital velocity | 16.8 km / s |
| Physical Properties | |
| Medium diameter | 136 km |
| Albedo | 0.05 |
| Rotation period | 10.3 h |
| Absolute brightness | 8.28 likes |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | February 6, 1880 |
| 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. | |
(212) Medea is an asteroid of the main asteroid belt discovered by Johann Palisa on February 6, 1880 .
The heavenly body was named after Medea from Greek mythology . Medea, the daughter of the king of Colchis, helped the hero Jason to obtain the golden fleece .
Medea moves around the sun at a distance of 2.8 ( perihelion ) to 3.4 ( aphelion ) astronomical units in five and a half years . The orbit is inclined 4.3 ° to the ecliptic , the orbital eccentricity is 0.11.
Medea has a diameter of 136 kilometers. It has a dark, carbon-rich surface with an albedo of 0.05. It rotates around its own axis in around 10.3 hours.