_Prometheus.png) Shape model of Prometheus from its lightcurve | |
| Discovery[1] | |
|---|---|
| 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 | |
| (1809) Prometheus | |
| Pronunciation | /prəˈmiːθiːəs/[2] |
Named after | Προμηθεύς Promētheys (Greek mythology)[3] |
| 2522 P-L · 1943 EA1 1955 SW · 1955 VA 1965 UR | |
| main-belt · (outer) | |
| Adjectives | Promethean, -ian /prəˈmiːθiːən/[4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.53 yr (22,473 days) |
| Aphelion | 3.2256 AU |
| Perihelion | 2.6245 AU |
| 2.9251 AU | |
| Eccentricity | 0.1027 |
| 5.00 yr (1,827 days) | |
| 163.57° | |
| 0° 11m 49.2s / day | |
| Inclination | 3.2585° |
| 99.484° | |
| 231.33° | |
| Physical characteristics | |
| Dimensions | 14.212±0.097 km[5] |
| 0.126±0.010[5] | |
| 11.7[1] | |
1809 Prometheus /prəˈmiːθiːəs/ is an asteroid from the outer region of the asteroid belt, approximately 14 kilometers in diameter. Discovered during the Palomar–Leiden survey in 1960, it was given the provisional designation 2522 P-L and named after Prometheus from Greek mythology.[3]
- ^ a b c Cite error: The named reference
jpldatawas invoked but never defined (see the help page). - ^ "Prometheus". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 20 March 2020.
- ^ a b Cite error: The named reference
springerwas invoked but never defined (see the help page). - ^ "Promethean". Lexico UK English Dictionary UK English Dictionary. Oxford University Press. Archived from the original on 20 March 2020.
- ^ a b Cite error: The named reference
Masiero-2014was invoked but never defined (see the help page).