(289) Nenetta
|
Asteroid (289) Nenetta |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 2,871 AU |
| eccentricity | 0.206 |
| Perihelion - aphelion | 2.28 AU - 3.462 AU |
| Inclination of the orbit plane | 6.7 ° |
| Length of the ascending node | 182.1 ° |
| Argument of the periapsis | 189 ° |
| Time of passage of the perihelion | April 19, 2010 |
| Sidereal period | 4 a 316 d |
| Mean orbital velocity | 17.4 km / s |
| Physical Properties | |
| Medium diameter | 34 km |
| Albedo | 0.2438 |
| Rotation period | 6 h 54 min |
| Absolute brightness | 9.51 mag |
| Spectral class | A. |
| history | |
| Explorer | A. Charlois |
| Date of discovery | March 10, 1890 |
| 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. | |
(289) Nenetta is an asteroid of the main asteroid belt that was discovered on March 10, 1890 by Auguste Charlois at the Observatory of Nice .
Nenetta moves from 2.2788 ( perihelion ) to 3.4650 ( aphelion ) astronomical units around the sun in 4.8671 years . The orbit is inclined 6.6914 ° to the ecliptic , the orbital eccentricity is 0.2065.
Nenetta has a diameter of 34 kilometers. It has a light, silicate-rich surface with an albedo of 0.244. It rotates around its own axis in around 6 hours and 54 minutes.