4715 Medesicaste
Shape model of Medesicaste from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Y. Oshima |
| Discovery site | Gekko Obs. |
| Discovery date | 9 October 1989 |
| Designations | |
| (4715) Medesicaste | |
Named after | Medesicaste (Greek mythology) |
| 1989 TS1 · 1972 GL1 1983 DF | |
| Jupiter trojan Trojan · background | |
| Adjectives | Medesicastean |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.62 yr (23,236 d) |
| Aphelion | 5.3591 AU |
| Perihelion | 4.8598 AU |
| 5.1094 AU | |
| Eccentricity | 0.0489 |
| 11.55 yr (4,218 d) | |
| 180.77° | |
| 0° 5m 7.08s / day | |
| Inclination | 18.658° |
| 1.6077° | |
| 345.36° | |
| Jupiter MOID | 0.0924 AU |
| TJupiter | 2.8940 |
| Physical characteristics | |
| 62.10±0.43 km 65.93±1.80 km | |
| 8.8129±0.0025 h | |
| 0.060±0.010 0.079±0.005 | |
| C (assumed) B–V = 0.680±0.060 V–R = 0.430±0.040 V–I = 0.850±0.030 | |
| 9.30 9.7 | |
4715 Medesicaste (prov. designation: 1989 TS1) is a dark Jupiter trojan from the Trojan camp, approximately 64 kilometers (40 miles) in diameter. It was discovered on 9 October 1989, by Japanese astronomer Yoshiaki Oshima at the Gekko Observatory east of Shizuoka, Japan. The assumed C-type asteroid belongs to the 70 largest Jupiter trojans. It is possibly elongated in shape and has a rotation period of 8.8 hours. It was named from Greek mythology after Medesicaste, an illegitimate daughter of Trojan King Priam.