1991 Darwin
| Discovery and designation | |
|---|---|
| Discovered by | C. U. Cesco and A. R. Klemola |
| Discovery site | Yale-Columbia Southern Station, El Leoncito |
| Discovery date | May 6, 1967 |
| Designations | |
| MPC designation | 1967 JL |
| 1954 UG, 1971 SU2 | |
| Orbital characteristics | |
| Epoch November 4, 2013 | |
| Aphelion | 2.7158 AU (406.28 Gm) |
| Perihelion | 1.7803 AU (266.33 Gm) |
| 2.2480 AU (336.30 Gm) | |
| Eccentricity | 0.2081 |
| 3.37 yr | |
| 229.09787° | |
| Inclination | 5.91973° |
| 328.48170° | |
| 345.67951° | |
| Proper orbital elements | |
Proper mean motion | 0.29241 deg / yr |
Proper orbital period |
1231.14805 yr (449676.824 d) |
| Physical characteristics | |
Sidereal rotation period | 4.7 hours |
| 12.9 | |
|
| |
1991 Darwin (1967 JL) is a main-belt asteroid discovered on May 6, 1967 by C. U. Cesco and A. R. Klemola at the Yale-Columbia Southern Station, El Leoncito. It is named after the famous English naturalist Charles Darwin.
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