(74) Galatea
|
Asteroid (74) Galatea |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,777 AU |
| eccentricity | 0.241 |
| Perihelion - aphelion | 2.108 AU - 3.446 AU |
| Inclination of the orbit plane | 4.1 ° |
| Length of the ascending node | 197.3 ° |
| Argument of the periapsis | 174.5 ° |
| Time of passage of the perihelion | February 25, 2011 |
| Sidereal period | 4 a 229 d |
| Mean orbital velocity | 17.6 km / s |
| Physical Properties | |
| Medium diameter | 119 km |
| Albedo | 0.04 |
| Rotation period | 17.3 h |
| Absolute brightness | 8.7 likes |
| Spectral class | C. |
| history | |
| Explorer | EWL temple |
| Date of discovery | August 29, 1862 |
| 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. | |
(74) Galatea is an asteroid of the main belt , which was discovered on August 29, 1862 by the German astronomer Ernst Wilhelm Leberecht Tempel .
The asteroid was named after Galateia , one of the Nereid daughters of the sea god Nereus .