1682 Karel
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Light-curve-based 3D-model of 1682 Karel
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| Discovery [1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 2 August 1949 |
| Designations | |
| MPC designation | 1682 Karel |
|
Named after
|
Karel van Houten (son of astronomers) Cornelis and Ingrid [2] |
| 1949 PH · 1929 SD 1939 RK · 1946 WC 1949 QQ · 1949 QX1 1949 SL · 1959 PH 1988 CR3 |
|
| main-belt · Flora [3] | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.71 yr (31,304 days) |
| Aphelion | 2.6681 AU |
| Perihelion | 1.8092 AU |
| 2.2387 AU | |
| Eccentricity | 0.1918 |
| 3.35 yr (1,223 days) | |
| 231.03° | |
| Inclination | 4.0279° |
| 325.79° | |
| 9.9302° | |
| Physical characteristics | |
| Dimensions | 4.80±0.55 km[4] 7.27±0.20 km[5] 7.82 km (calculated)[3] |
| 3.37485 h[6][7] | |
| 0.531±0.124[4] 0.278±0.027[5] 0.24 (assumed)[3] |
|
| S [3] | |
| 12.7 | |
1682 Karel, provisional designation 1949 PH, is a stony asteroid from the inner regions of the asteroid belt, about 7 kilometers in diameter. It was discovered by German astronomer Karl Reinmuth at Heidelberg Observatory on 2 August 1949.[8]
The asteroid is a member of the Flora family, one of the largest groups of asteroids in the main-belt. It orbits the Sun at a distance of 1.8–2.7 AU once every 3 years and 4 months (1,223 days). Its orbit shows an eccentricity of 0.19 and is tilted by 4 degrees to the plane of the ecliptic. It has a rotation period of 3.4 hours.[6][7] The S-type asteroid has a high geometric albedo of 0.28 and 0.53, determined by the WISE/NEOWISE and Akari missions.[4][5]
It was named after Karel van Houten, son of Dutch astronomers Ingrid and Cornelis van Houten of the Leiden Observatory.[2] Together with Ingrid, Reinmuth discovered the minor planet 1691 Oort in 1956. Reinmuth also named his two discoveries, 1673 van Houten and 1674 Groeneveld, after the prolific couple of Dutch astronomers.[9][10]
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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 (1)-(5000) – Minor Planet Center
- 1682 Karel at the JPL Small-Body Database
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