10370 Hylonome
Hubble Space Telescope image of Hylonome taken in 2009 | |
| Discovery | |
|---|---|
| Discovered by | D. C. Jewitt J. X. Luu |
| Discovery site | Mauna Kea Obs. |
| Discovery date | 27 February 1995 |
| Designations | |
| (10370) Hylonome | |
| Pronunciation | /haɪˈlɒnəmiː/ |
Named after | Ὑλονόμη Hylonomē (Greek mythology) |
| 1995 DW2 | |
| centaur · distant Neptune-crosser Uranus-grazer | |
| Symbol | (astrological) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 15.27 yr (5,576 days) |
| Aphelion | 31.393 AU |
| Perihelion | 18.910 AU |
| 25.152 AU | |
| Eccentricity | 0.2482 |
| 126.14 yr (46,073 days) | |
| 63.271° | |
| 0° 0m 28.08s / day | |
| Inclination | 4.1443° |
| 178.08° | |
| 7.0279° | |
| Jupiter MOID | 13.4570 AU |
| TJupiter | 4.4550 |
| Physical characteristics | |
| 70±20 km 74±16 km | |
| 0.051±0.030 | |
| BR (intermed. blue-red) | |
| 8.6 · 9.08±0.04 (R) · 9.250±0.131 (R) · 9.35 · 9.51±0.08 · 9.53 | |
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10370 Hylonome (/haɪˈlɒnəmiː/; provisional designation 1995 DW2) is a minor planet orbiting in the outer Solar System. The dark and icy body belongs to the class of centaurs and measures approximately 72 kilometers (45 miles) in diameter. It was discovered on 27 February 1995, by English astronomer David C. Jewitt and Vietnamese American astronomer Jane Luu at the U.S. Mauna Kea Observatory in Hawaii, and later named after the mythological creature Hylonome.