(4139) Ul'yanin
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Asteroid (4139) Ul'yanin |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.142 AU |
| eccentricity | 0.17 |
| Perihelion - aphelion | 2.609 AU - 3.676 AU |
| Inclination of the orbit plane | 1.59 ° |
| Length of the ascending node | 134.16 ° |
| Sidereal period | 5.57 years |
| Physical Properties | |
| Medium diameter | approx. 13 km |
| Absolute brightness | 12.2 mag |
| history | |
| Explorer | TM Smirnova |
| Date of discovery | 2nd November 1975 |
| Another name | 1975 VE 2 , 1975 WX 1 , 1979 HK 3 |
| 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. | |
(4139) Ul'yanin is a main belt asteroid discovered on November 2, 1975 by Tamara Mikhailovna Smirnova from the Crimean Observatory . It is named after the Russian pilot Sergej Alekseevich Ul'yanin (1871–1921).
Web links
- (4139) Ul'yanin in the Small-Body Database of the Jet Propulsion Laboratory .