5130 Ilioneus
Shape model of Ilioneus from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | C. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 30 September 1989 |
| Designations | |
| (5130) Ilioneus | |
| Pronunciation | /ɪliˈoʊniːəs, ɪˈlaɪənjuːs/ |
Named after | Ἰλιονεύς Īlioneys (Greek mythology) |
| 1989 SC7 · 1990 VE8 | |
| Jupiter trojan Trojan · background | |
| Adjectives | Ilione(i)an |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 62.45 yr (22,810 d) |
| Aphelion | 5.2617 AU |
| Perihelion | 5.1571 AU |
| 5.2094 AU | |
| Eccentricity | 0.0100 |
| 11.89 yr (4,343 d) | |
| 154.90° | |
| 0° 4m 58.44s / day | |
| Inclination | 15.739° |
| 242.53° | |
| 104.54° | |
| Jupiter MOID | 0.1347 AU |
| TJupiter | 2.9250 |
| Physical characteristics | |
| 52.49±3.94 km 59.40±5.4 km 60.71±0.98 km | |
| 14.768±0.014 h | |
| 0.0602±0.013 0.069±0.013 0.077±0.012 | |
| C (assumed) B–V = 0.940±0.060 V–R = 0.390±0.040 V–I = 0.960±0.030 | |
| 9.6 9.7 9.80 | |
5130 Ilioneus /ɪliˈoʊniːəs/ is a dark Jupiter trojan from the Trojan camp, approximately 60 kilometers (37 miles) in diameter. It was discovered on 30 September 1989, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California. The assumed C-type asteroid belongs to the 70 largest Jupiter trojans and has a rotation period of 14.8 hours. It was named after Ilioneus from Greek mythology.