(4312) crack
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Asteroid (4312) crack |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.384 AU |
| eccentricity | 0.152 |
| Perihelion - aphelion | 2.021 AU - 2.747 AU |
| Inclination of the orbit plane | 4.43 ° |
| Length of the ascending node | 91.28 ° |
| Sidereal period | 3.68 a |
| Physical Properties | |
| Absolute brightness | 13.3 mag |
| history | |
| Explorer |
Scolded John Bus Charles Thomas Kowal |
| Date of discovery | November 29, 1978 |
| Another name | 1978 WW 11 , 1930 VK, 1982 YF 5 |
| 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. | |
(4312) Knacke is a main belt asteroid discovered on November 29, 1978 by Schelte John Bus and Charles Thomas Kowal from the Palomar Observatory .
The asteroid was named after the American astrophysicist Roger F. Knacke (* 1941).
Web links
- (4312) Cracks in the Small-Body Database of the Jet Propulsion Laboratory .