7742 Altamira
| Discovery [1] | |
|---|---|
| Discovered by | A. Mrkos |
| Discovery site | Kleť Observatory |
| Discovery date | 20 October 1985 |
| Designations | |
| MPC designation | 7742 Altamira |
|
Named after
|
Cave of Altamira (World Heritage Site)[2] |
| 1985 US · 1996 BP2 | |
| main-belt · (outer) [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 29.68 yr (10,839 days) |
| Aphelion | 2.9421 AU |
| Perihelion | 2.4973 AU |
| 2.7197 AU | |
| Eccentricity | 0.0817 |
| 4.49 yr (1,638 days) | |
| 193.00° | |
| Inclination | 4.1457° |
| 124.91° | |
| 293.72° | |
| Physical characteristics | |
| Dimensions | 8.74 km (calculated)[3] |
| 2.7 h[4] | |
| 0.057 (assumed)[3] | |
| C [3] | |
| 13.6[1] | |
7742 Altamira, provisional designation 1985 US, is a carbonaceous asteroid from the outer region of the asteroid belt, about 9 kilometers in diameter. It was discovered by Czech astronomer Antonín Mrkos at the South Bohemian Kleť Observatory in the Czech Republic, on 20 October 1985.[5]
The dark C-type asteroid orbits the Sun at a distance of 2.5–2.9 AU once every 4 years and 6 months (1,638 days). Its orbit shows an eccentricity of 0.08 and is tilted by 4 degrees to the plane of the ecliptic. It has a rotation period of 2.7 hours[4] and a low albedo of 0.06, as assumed by the Collaborative Asteroid Lightcurve Link.[3]
The minor planet is named after the famous Cave of Altamira, located in northern Spain. Discovered in 1879, its prehistoric cave paintings feature drawings of wild bison, deer, horses and boar, as well as handprints of the artists who created them. The cave with its paintings has been declared a UNESCO World Heritage Site.[2]
References
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External links
- Asteroid Lightcurve Database (LCDB), query form (info)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (5001)-(10000) – Minor Planet Center
- 7742 Altamira at the JPL Small-Body Database
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