Back أرخميندس 5126 Arabic أرخميندس 5126 ARZ (5126) Ахеменид CE (5126) Achaemenides German 5126 Akemenido Esperanto (5126) Aqueménides Spanish هخامنشی ۵۱۲۶ Persian (5126) Achéménide French 5126 Achaemenides Hungarian (5126) Աքեմենիդես Armenian
| Discovery [1] | |
|---|---|
| Discovered by | C. Shoemaker |
| Discovery site | Palomar Obs. |
| Discovery date | 1 February 1989 |
| Designations | |
| (5126) Achaemenides | |
| Pronunciation | /ækɪˈmɛnɪdiːz/[2] |
Named after | Achaemenides [1] (Greek mythology) |
| 1989 CH2 | |
| Jupiter trojan [1][3] Greek [4] · background [5] | |
| Adjectives | Achaemenidian |
| Orbital characteristics [3] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 65.36 yr (23,871 d) |
| Aphelion | 5.3722 AU |
| Perihelion | 5.1131 AU |
| 5.2427 AU | |
| Eccentricity | 0.0247 |
| 12.00 yr (4,385 d) | |
| 180.28° | |
| 0° 4m 55.56s / day | |
| Inclination | 29.863° |
| 116.50° | |
| 353.06° | |
| Jupiter MOID | 0.1391 AU |
| TJupiter | 2.7330 |
| Physical characteristics | |
| 48.57±4.08 km[6] 51.92±3.36 km[7] | |
| 53.02±0.05 h[8][a] | |
| 0.050±0.010[7] 0.068±0.012[6] | |
| C (assumed)[9] | |
| 10.10[6] 10.3[7] 10.5[1][3][9] | |
5126 Achaemenides /ækɪˈmɛnɪdiːz/ is a Jupiter trojan from the Greek camp, approximately 50 kilometers (31 miles) in diameter. It was discovered on 1 February 1989, by American astronomer Carolyn Shoemaker at the Palomar Observatory in California.[1] The dark Jovian asteroid belongs the 100 largest Jupiter trojans and has a long rotation period of 32.4 hours.[9] It was named after one of Odysseus's crew members, Achaemenides, from Greek mythology.[1]
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