1172 Äneas
| Discovery[1] | |
|---|---|
| Discovered by | Karl Wilhelm Reinmuth |
| Discovery date | 17 October 1930 |
| Designations | |
Named after | Aeneas |
| 1930 UA | |
| Jupiter Trojan[1] | |
| Orbital characteristics[1] | |
| Epoch 2012-Mar-14 | |
| Aphelion | 5.7585 AU (Q) |
| Perihelion | 4.6552 AU (q) |
| 5.2069 AU (a) | |
| Eccentricity | 0.10595 |
| 11.88 yr | |
| 56.053° (M) | |
| Inclination | 16.674° |
| 247.33° | |
| 50.705° | |
| Physical characteristics | |
| Dimensions | 143km (IRAS)[1] |
| 8.7 hr[1] | |
| Albedo | 0.04[1] |
| 14.65 to 16.73 | |
| 8.33[1] | |
1172 Äneas is a large 143km Jupiter Trojan. It was discovered by Karl Wilhelm Reinmuth at the Landessternwarte Heidelberg-Königstuhl in Heidelberg, Germany, on October 17, 1930.[1] Its provisional designation was 1930 UA. It is named after Aeneas, a mythological Trojan prince.
Based on IRAS data, Äneas is 143km in diameter and is the 4th largest Jupiter Trojan.[2]
| Trojan | Diameter (km) |
|---|---|
| 624 Hektor | 225 |
| 617 Patroclus | 140 |
| 911 Agamemnon | 131 |
| 588 Achilles | 130 |
| 3451 Mentor | 126 |
| 3317 Paris | 119 |
| 1867 Deiphobus | 118 |
| 1172 Äneas | 118 |
| 1437 Diomedes | 118 |
| 1143 Odysseus | 115 |
| Source: JPL Small-Body Database, NEOWISE data | |
References
- ^ a b c d e f g h "JPL Small-Body Database Browser: 1172 Aneas (1930 UA)". Jet Propulsion Laboratory. 2012-01-18 last obs.
{{cite web}}: Check date values in:|date=(help) - ^ "JPL Small-Body Database Search Engine: orbital class (TJN) and diameter > 50 (km)". JPL's Solar System Dynamics Group. Retrieved 2012-03-28.
External links
- Orbital simulation from JPL (Java) / Ephemeris