1510 Charlois
1510 Charlois, provisional designation 1939 DC, is a carbonaceous Eunomia asteroid from the middle region of the asteroid belt, approximately 24 kilometers in diameter.
Shape model of Charlois from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | A. Patry |
| Discovery site | Nice Obs. |
| Discovery date | 22 February 1939 |
| Designations | |
MPC designation | (1510) Charlois |
Named after | Auguste Charlois (astronomer) |
Alternative designations | 1939 DC · 1959 WE 1963 UB |
Minor planet category | main-belt · Eunomia |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.10 yr (28,525 days) |
| Aphelion | 3.0649 AU |
| Perihelion | 2.2791 AU |
Semi-major axis | 2.6720 AU |
| Eccentricity | 0.1470 |
Orbital period (sidereal) | 4.37 yr (1,595 days) |
Mean anomaly | 16.619° |
Mean motion | 0° 13m 32.52s / day |
| Inclination | 11.821° |
Longitude of ascending node | 331.49° |
| 165.25° | |
| Physical characteristics | |
| Dimensions | 20.30±0.39 km 23.68 km (derived) 23.80±2.8 km (IRAS:11) 24.507±0.345 26.98±0.64 km 27.608±0.373 km |
Synodic rotation period | 5.866±0.0003 h 6.653±0.008 h |
| 0.0769±0.0086 0.0791 (derived) 0.081±0.004 0.1033±0.029 (IRAS:11) 0.118±0.017 | |
| SMASS = C · C | |
| 11.2 · 11.40 · 11.5 | |
It was discovered on 22 February 1939, by French astronomer André Patry at Nice Observatory in southeastern France, and later named after astronomer Auguste Charlois.
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