1741 Giclas
1741 Giclas (prov. designation: 1960 BC) is a stony Koronis asteroid from the outer region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 26 January 1960, by IU's Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States. It is named for astronomer Henry L. Giclas.
Shape model of Giclas from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 26 January 1960 |
| Designations | |
MPC designation | (1741) Giclas |
Named after | Henry Giclas (astronomer) |
Alternative designations | 1960 BC · 1953 UY 1953 VH1 · 1953 XN 1963 YD |
Minor planet category | main-belt · Koronis |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.20 yr (23,084 days) |
| Aphelion | 3.0879 AU |
| Perihelion | 2.6812 AU |
Semi-major axis | 2.8846 AU |
| Eccentricity | 0.0705 |
Orbital period (sidereal) | 4.90 yr (1,789 days) |
Mean anomaly | 17.734° |
Mean motion | 0° 12m 4.32s / day |
| Inclination | 2.8876° |
Longitude of ascending node | 55.514° |
| 338.82° | |
| Physical characteristics | |
| Dimensions | 12.501±0.245 km 13.11±0.18 km 13.60 km (calculated) 15.06±1.04 km |
Synodic rotation period | 2.92±0.02 h 2.938±0.001 h 2.943±0.001 h 3.107±0.005 h |
| 0.24 (assumed) 0.260±0.049 0.265±0.039 0.374±0.048 0.3742±0.0483 | |
| S V–R = 0.456±0.015 | |
| 11.11±0.04 (R) · 11.2 · 11.36±0.13 · 11.49 · 11.5 | |
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