(3258) Somnium
Asteroid (3258) Somnium |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.206 AU |
eccentricity | 0.196 |
Perihelion - aphelion | 1,773 AU - 2,639 AU |
Inclination of the orbit plane | 7.557 ° |
Sidereal period | 3.28 a |
Mean orbital velocity | 19.8 km / s |
Physical Properties | |
Absolute brightness | 13.1 mag |
history | |
Explorer | Paul Wild |
Date of discovery | September 8, 1983 |
Another name | 1983 RJ, 1979 HF 3 , 1980 YG |
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. |
(3258) Somnium is an asteroid of the main belt that was discovered on September 8, 1983 by the Swiss astronomer Paul Wild from the Zimmerwald Observatory at the University of Bern .
The asteroid is named after Johannes Kepler's book Somnium (The Dream).