1810 Epimetheus
1810 Epimetheus /ɛpɪˈmiːθiːəs/, provisional designation 4196 P-L, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter.
| Discovery | |
|---|---|
| Discovered by | C. J. van Houten I. van Houten-G. T. Gehrels (Palomar–Leiden survey) |
| Discovery site | Palomar Obs. |
| Discovery date | 24 September 1960 |
| Designations | |
| (1810) Epimetheus | |
| Pronunciation | /ɛpɪˈmiːθiːəs/ |
Named after | Epimetheus (Greek mythology) |
| 4196 P-L · 1942 FS 1950 SC · 1957 WC1 1962 GC · 1970 SS | |
| main-belt · Flora | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 66.21 yr (24,182 days) |
| Aphelion | 2.4284 AU |
| Perihelion | 2.0198 AU |
| 2.2241 AU | |
| Eccentricity | 0.0919 |
| 3.32 yr (1,211 days) | |
| 338.76° | |
| 0° 17m 49.92s / day | |
| Inclination | 4.0315° |
| 254.12° | |
| 203.70° | |
| Physical characteristics | |
| Dimensions | 7.669±0.162 km 8.19 km (calculated) |
| 10.88±0.02 h 28.61±0.01 h | |
| 0.24 (assumed) 0.274±0.037 | |
| S | |
| 12.53±0.33 · 12.6 | |
It was discovered on 24 September 1960, by Dutch astronomer couple Ingrid and Cornelis van Houten, and Dutch–American astronomer Tom Gehrels during the Palomar–Leiden survey at Palomar Observatory in California, United States. It was later named after Epimetheus from Greek mythology.
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