(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.