(78) Diana
|
Asteroid (78) Diana |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,619 AU |
| eccentricity | 0.207 |
| Perihelion - aphelion | 2.078 AU - 3.16 AU |
| Inclination of the orbit plane | 8.7 ° |
| Length of the ascending node | 333.5 ° |
| Argument of the periapsis | 152.8 ° |
| Time of passage of the perihelion | May 2, 2011 |
| Sidereal period | 4 a 88 d |
| Mean orbital velocity | 18.2 km / s |
| Physical Properties | |
| Medium diameter | 120 km |
| Albedo | 0.07 |
| Rotation period | 7.3 h |
| Absolute brightness | 8.1 likes |
| Spectral class | C. |
| history | |
| Explorer | KTR Luther |
| Date of discovery | March 15, 1863 |
| 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. | |
(78) Diana is an asteroid of the main asteroid belt discovered on March 15, 1863 by Karl Theodor Robert Luther .
The heavenly body was named after Diana , the Roman goddess of the hunt.
Diana moves around the sun at a distance of 2.1 ( perihelion ) to 3.2 ( aphelion ) astronomical units in 4.2 years . The orbit is 8.7 ° inclined to the ecliptic , the orbital eccentricity is 0.21.
Diana has a diameter of 120 kilometers. It has a dark carbonaceous surface with a geometric albedo of 0.07. It rotates on its own axis in around 7.3 hours.