1741 Giclas
| Discovery [1] | |
|---|---|
| Discovered by | Indiana Asteroid Program |
| Discovery site | Goethe Link Obs. |
| Discovery date | 26 January 1960 |
| Designations | |
| MPC designation | 1741 Giclas |
|
Named after
|
Henry Giclas (astronomer) [2] |
| 1960 BC · 1953 UY 1953 VH1 · 1953 XN 1963 YD |
|
| main-belt · Koronis [3] | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.83 yr (22585 days) |
| Aphelion | 3.0874 AU (461.87 Gm) |
| Perihelion | 2.6804 AU (400.98 Gm) |
| 2.8839 AU (431.43 Gm) | |
| Eccentricity | 0.070556 |
| 4.90 yr (1788.8 d) | |
| 256.72° | |
| Inclination | 2.8877° |
| 55.519° | |
| 339.13° | |
| Earth MOID | 1.68556 AU (252.156 Gm) |
| Jupiter MOID | 2.23883 AU (334.924 Gm) |
| Physical characteristics | |
| Dimensions | 15.06±1.04 km [4] 12.501±0.245 km [5] 13.11±0.18 km [6] 13.60 km (calculated) [3] |
| 2.943 h (0.1226 d) [1][7] 2.92±0.02 h [8] 2.938±0.001 h [9] |
|
| 0.265±0.039 [4] 0.3742±0.0483 [5] 0.260±0.049 [6] 0.24 (assumed) [3] |
|
| S [3] | |
| 11.5 | |
1741 Giclas, provisional designation 1960 BC, is a stony asteroid from the outer region of the asteroid belt, about 14 kilometers in diameter. It was discovered by the Indiana Asteroid Program at the U.S. Goethe Link Observatory near Brooklyn, Indiana, on 26 January 1960.[10]
The S-type asteroid is a member of the Koronis family, a group consisting of about 200 known bodies. It orbits the Sun at a distance of 2.7–3.1 AU once every 4 years and 11 months (1,788 days). Its orbit shows an eccentricity of 0.07 and is tilted by 3 degrees to the plane of the ecliptic. It has a rotation period of 2.9 hours[7][8][9] and an albedo of about 0.26, based on observations carried out by the space-based Akari and WISE missions.[4][5]
It was named in honour of American astronomer Henry Lee Giclas (1910–2007), longtime staff member of the Lowell Observatory in Flagstaff, Arizona, where he discovered 17 minor planets and the comet 84P/Giclas. Giclas responsibility included the programs of minor planet positions and stellar proper motions, using the 13-inch Lawrence Lowell Telescope.[2]
References
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- ↑ 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.
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- ↑ 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
- 1741 Giclas at the JPL Small-Body Database
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