Discovery[1] | |
---|---|
Discovered by | P. Jensen |
Discovery site | Brorfelde Obs. |
Discovery date | 8 September 1988 |
Designations | |
MPC designation | (6002) Eetion |
Named after | Eetion (Greek mythology)[1] |
Alternative designations | 1988 RO |
Minor planet category | Jupiter trojan[1][2] Trojan[3] · background[4] |
Orbital characteristics[2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 64.68 yr (23,624 d) |
Aphelion | 5.7007 AU |
Perihelion | 4.7464 AU |
Semi-major axis | 5.2235 AU |
Eccentricity | 0.0914 |
Orbital period (sidereal) | 11.94 yr (4,361 d) |
Mean anomaly | 163.01° |
Mean motion | 0° 4m 57.36s / day |
Inclination | 15.556° |
Longitude of ascending node | 209.71° |
Argument of perihelion | 159.55° |
Jupiter MOID | 0.1867 AU |
TJupiter | 2.9190 |
Physical characteristics | |
Mean diameter | 40.41±0.47 km[5] |
Synodic rotation period | 12.918±0.022 h[6] |
Geometric albedo | 0.075±0.009[5] |
Spectral type | C (assumed)[7] |
Absolute magnitude (H) | 10.4[5] 10.5[1][2] 10.6[7] |
6002 Eetion, provisional designation: 1988 RO, is a mid-sized Jupiter trojan from the Trojan camp, approximately 40 kilometers (25 miles) in diameter. It was discovered by Poul Jensen at the Brorfelde Observatory in 1988, and has not been named since its numbering in June 1994.[8] The dark Jovian asteroid has a rotation period of 12.9 hours.[7] In 2021, it was named from Greek mythology after King Eetion, who was killed by Achilles during the raid on Thebe.
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