1717 Arlon
1717 Arlon, provisional designation 1954 AC, is a binary Florian asteroid from the inner regions of the asteroid belt, approximately 8.5 kilometers in diameter.
| Discovery | |
|---|---|
| Discovered by | S. Arend |
| Discovery site | Uccle Obs. |
| Discovery date | 8 January 1954 |
| Designations | |
MPC designation | (1717) Arlon |
Named after | Arlon (Municipality of Belgium) |
Alternative designations | 1954 AC · 1930 YU 1941 BJ · 1946 UB 1951 GQ · 1954 CE 1977 FQ3 · 1978 PC5 A915 CC |
Minor planet category | main-belt · Flora |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.66 yr (31,289 days) |
| Aphelion | 2.4797 AU |
| Perihelion | 1.9111 AU |
Semi-major axis | 2.1954 AU |
| Eccentricity | 0.1295 |
Orbital period (sidereal) | 3.25 yr (1,188 days) |
Mean anomaly | 224.11° |
Mean motion | 0° 18m 10.8s / day |
| Inclination | 6.1881° |
Longitude of ascending node | 340.49° |
| 115.91° | |
| Known satellites | 1(D: 4 km · P: 18.2 h) |
| Physical characteristics | |
| Dimensions | 8.484±0.183 8.57±0.58 km 8.87±0.74 km 9.128±0.166 km 9.15 km |
Synodic rotation period | 5.1082±0.0006 h 5.1477±0.00009 h 5.148 h 5.148±0.001 h 5.1484±0.0004 h 5.1484 h 5.261±0.005 h |
| 0.167±0.024 0.225 0.2492±0.0420 0.287±0.048 0.315±0.166 | |
| Tholen = S · S | |
| 11.94±0.08 (R) · 12.09±0.33 · 12.13 · 12.90 · 12.3 · 12.33 · 12.43±0.094 | |
It was discovered on 8 January 1954, by Belgian astronomer Sylvain Arend at the Royal Observatory of Belgium in Uccle, Belgium, and later named for the Belgian town and provincial capital, Arlon.
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