(1991) Darwin
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Asteroid (1991) Darwin |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2495 AU |
| eccentricity | 0.2073 |
| Perihelion - aphelion | 1.7832 AU - 2.7159 AU |
| Inclination of the orbit plane | 5.9158 ° |
| Sidereal period | 3.37 a |
| Mean orbital velocity | 19.86 km / s |
| Physical Properties | |
| Rotation period | 4.7 h |
| Absolute brightness | 12.9 mag |
| history | |
| Explorer |
Carlos Ulrrico Cesco Arnold R. Klemola |
| Date of discovery | May 6, 1967 |
| Another name | 1967 JL, 1954 UG, 1971 SU 2 |
| 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. | |
(1991) Darwin is an asteroid of the main belt that was discovered on May 6, 1967 by the Argentine astronomer Carlos Ulrrico Cesco and his American colleague Arnold R. Klemola at the Carlos Cesco Observatory ( IAU code 808), a branch of the Felix Aguilar Observatory , discovered in Argentina .
The asteroid is named after the British naturalist Charles Darwin (1809–1882).
See also
Web links
- Asteroid Darwin: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (1991) Darwin in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (1991) Darwin in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).