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1583 Antilochus

Asteroid
1583 Antilochus is a large Jupiter trojan from the Greek camp, approximately 108 kilometers in diameter. It was discovered on 19 September 1950, by Belgian astronomer Sylvain Arend at Uccle Observatory in Belgium, and later named after the hero... Wikipedia
Discovered: September 19, 1950
Discoverer: Sylvain Arend
Mean diameter: 101.62±3.2 km; 108.84±0.54 km; 111.69±3.86 km
Spectral type: D-type asteroid
Asteroid group: Jupiter trojan
Mean anomaly: 256.95°
Mean motion: 0° 5m 5.28s / day