7317 Cabot
7317 Cabot, provisional designation 1940 ED, is a background asteroid in a resonance with Jupiter, located the inner regions of the asteroid belt, approximately 3.6 kilometers (2.2 miles) in diameter. It was discovered on 12 March 1940, by Hungarian astronomer György Kulin at the Konkoly Observatory in Budapest. The presumed S-type asteroid has a rotation period of 2.2 hours. It was named after Italian explorer John Cabot.
| Discovery | |
|---|---|
| Discovered by | G. Kulin |
| Discovery site | Konkoly |
| Discovery date | 12 March 1940 |
| Designations | |
MPC designation | (7317) Cabot |
Named after | John Cabot (Italian explorer) |
Alternative designations | 1940 ED · 1983 JH 1987 OV1 |
Minor planet category | main-belt · (inner) background · Flora |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 34.79 yr (12,706 d) |
| Aphelion | 2.6836 AU |
| Perihelion | 1.9780 AU |
Semi-major axis | 2.3308 AU |
| Eccentricity | 0.1514 |
Orbital period (sidereal) | 3.56 yr (1,300 d) |
Mean anomaly | 283.55° |
Mean motion | 0° 16m 37.2s / day |
| Inclination | 3.9844° |
Longitude of ascending node | 182.64° |
| 54.312° | |
| Physical characteristics | |
Mean diameter | 3.62 km (calculated) 3.66±0.86 km 5.363±0.257 km |
Synodic rotation period | 2.237±0.0003 h |
| 0.185±0.034 0.24±0.12 0.24 (assumed) | |
| S (assumed) | |
| 13.8 13.922±0.003 (R) 14.0 14.08±1.52 14.33 14.37 | |
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