588 Achilles
Jupiter trojan / From Wikipedia, the free encyclopedia
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Achilles (minor planet designation: 588 Achilles) is a large Jupiter trojan asteroid of the Greek camp. Achilles was the first Jupiter trojan to be discovered, and was discovered by Max Wolf at the Heidelberg Observatory in 1906. Wolf named the minor planet after the legendary hero Achilles from Greek mythology.[1][2] The dark D-type asteroid measures approximately 133 kilometers (83 miles) in diameter which makes it one of the 10 largest Jupiter trojans. It has a rotation period of 7.3 hours and possibly a spherical shape.[12]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | M. F. Wolf |
Discovery site | Heidelberg Obs. |
Discovery date | 22 February 1906 |
Designations | |
(588) Achilles | |
Pronunciation | /əˈkɪliːz/ |
Named after | Achilles (Greek mythology)[2] |
1906 TG | |
Jupiter trojan [1][3] Greek [4] · background [5] | |
Adjectives | Achillean /ˌækɪˈliːən, əˈkɪliən/[6] |
Orbital characteristics [3] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 112.25 yr (41,000 d) |
Aphelion | 5.9714 AU |
Perihelion | 4.4467 AU |
5.2091 AU | |
Eccentricity | 0.1463 |
11.89 yr (4,343 d) | |
205.11° | |
0° 4m 58.44s / day | |
Inclination | 10.318° |
316.54° | |
133.50° | |
Jupiter MOID | 0.5704 AU |
TJupiter | 2.9460 |
Physical characteristics | |
Mean diameter | 130.10±0.55 km[7] 133.22±3.33 km[8] 135.47±4.1 km[9] |
7.306±0.002 h[10][11] | |
0.0328±0.002[9] 0.035±0.002[8] 0.043±0.006[7] | |
Tholen = DU [3][12] B–V = 0.755[3] U–B = 0.216[3] V–I = 0.940±0.019[12] | |
8.47[7] 8.67[1][3][8][9] | |
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