5335 Damocles
| Discovery | |
|---|---|
| Discovered by | R. H. McNaught |
| Discovery site | Siding Spring Obs. |
| Discovery date | 18 February 1991 |
| Designations | |
| (5335) Damocles | |
| Pronunciation | /ˈdæməkliːz/ |
Named after | Damocles (Greek mythology) |
| 1991 DA | |
| distant centaur · damocloid | |
| Adjectives | Damoclean (/dæməˈkliːən/) |
| Symbol | (astrological) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 4 | |
| Observation arc | 1.51 yr (551 days) |
| Aphelion | 22.078 AU |
| Perihelion | 1.5741 AU |
| 11.826 AU | |
| Eccentricity | 0.8669 |
| 40.67 Jyr (14,854 days) | |
| 236.35° | |
| 0° 1m 27.12s / day | |
| Inclination | 61.875° |
| 314.14° | |
| 191.26° | |
| Mars MOID | 0.05787 AU |
| TJupiter | 1.149 |
| Physical characteristics | |
| Dimensions | ~ 10 km |
| 26.56 | |
| 13.3 | |
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(5335) Damocles /ˈdæməkliːz/, provisional designation 1991 DA, is a centaur and the namesake of the damocloids, a group of minor planets which may be inactive nuclei of the Halley-type and long-period comets. It was discovered on 18 February 1991, by Australian astronomer Robert McNaught at Siding Spring Observatory in Australia. It is named after Damocles, a figure of Greek mythology.