971 Alsatia
| Discovery | |
|---|---|
| Discovered by | A. Schaumasse |
| Discovery site | Nice Obs. |
| Discovery date | 23 November 1921 |
| Designations | |
| (971) Alsatia | |
| Pronunciation | /ælˈseɪʃə/ |
Named after | Alsace (French province) |
| 1921 LF · 1961 AA A908 UE | |
| main-belt · (middle) background EUN–(interloper) | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 108.67 yr (39,693 days) |
| Aphelion | 3.0666 AU |
| Perihelion | 2.2182 AU |
| 2.6424 AU | |
| Eccentricity | 0.1605 |
| 4.30 yr (1,569 days) | |
| 86.606° | |
| 0° 13m 46.2s / day | |
| Inclination | 13.774° |
| 83.539° | |
| 6.2645° | |
| Physical characteristics | |
| Dimensions | 55.31±13.87 km 60.71±0.88 km 60.867±0.527 km 62.92±0.58 km 63.75±1.7 km 64.724±0.657 km |
| 6.81±0.01 h 9.600±0.007 h 9.606±0.001 h 9.61±0.02 h 9.614±0.003 h | |
| 0.0403±0.0078 0.0415±0.002 0.043±0.006 0.046±0.002 0.046±0.005 0.05±0.02 | |
| SMASS = C B–V = 0.669 U–B = 0.298 | |
| 10.05 · 10.11±0.10 · 10.21 | |
971 Alsatia, provisional designation 1921 LF, is a carbonaceous background asteroid from the central region of the asteroid belt, approximately 60 kilometers (37 miles) in diameter. It was discovered on 23 November 1921, by French astronomer Alexandre Schaumasse at Nice Observatory in southeastern France. The asteroid was named after the French province Alsace.