1951 Lick
| Discovery [1] | |
|---|---|
| Discovered by | C. A. Wirtanen |
| Discovery site | Lick Observatory |
| Discovery date | 26 July 1949 |
| Designations | |
| MPC designation | 1951 Lick |
|
Named after
|
James Lick (philanthropist)[2] |
| 1949 OA | |
| Mars crosser [1][3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 64.45 yr (23,539 days) |
| Aphelion | 1.4760 AU |
| Perihelion | 1.3048 AU |
| 1.3904 AU | |
| Eccentricity | 0.0615 |
| 1.64 yr (599 days) | |
| 100.40° | |
| Inclination | 39.093° |
| 130.75° | |
| 140.52° | |
| Earth MOID | 0.3070 AU |
| Physical characteristics | |
| Dimensions | 5.57 km[4] 5.59 km (derived)[3] |
| 5.3016 h[lower-alpha 1] 4.424±0.006 h[5] 5.3008±0.0024 h[lower-alpha 1] 5.2974±0.0004 h[6] 5.317±0.001 h[7] |
|
| 0.0895[4] 0.1028 (derived)[3] |
|
| SMASS = A [1] A [3] |
|
| 14.1 | |
1951 Lick, provisional designation 1949 OA, is a 6-kilometer sized asteroid that crosses the orbit of Mars. It was discovered on July 26, 1949 by American astronomer Carl Wirtanen at Lick Observatory on the summit of Mount Hamilton, California.[8]
The spectral type of the asteroid is that of a rare A-type with its surface consisting of almost pure olivine.[9] As of November 2015, only 17 minor planets of this type are known.[10] It orbits the Sun at a distance of 1.3–1.5 AU once every 1.64 years (599 days). Its orbit is heavily tilted by 39 degrees to the plane of the ecliptic, with a semimajor axis of 1.39 AU and an eccentricity of 0.061.[1] It has a geometric albedo of about 0.09 and a rotation period of 5.3 hours.[lower-alpha 1][5][6][7]
The asteroid was named in honor of James Lick (1796–1876), American philanthropist and the founder of the Lick Observatory of the University of California. He is also honored by a lunar crater Lick.[2]
References
- ↑ 1.0 1.1 1.2 Summary figures for rotation period 5.3016 hours (Pravec-1997web) and 5.3008±0.0024 hours (Pravec-1998web) at Light Curve Database –(1951) Lick
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External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- 1951 Lick at the JPL Small-Body Database
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