(307261) 2002 MS4
Minor planets
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(307261) 2002 MS₄ is a large trans-Neptunian object in the Kuiper belt, which is a region of icy planetesimals beyond Neptune. It was discovered on 18 June 2002 by Chad Trujillo and Michael Brown during their search for bright, Pluto-sized Kuiper... Wikipedia
Discovered: June 18, 2002
Discoverers: Michael E. Brown and Chad Trujillo
Absolute magnitude (H): 3.56±0.03: 62, 74 ; 3.63±0.05: 8 ; 3.62
Geometric albedo: 0.100±0.025: 8 or 0.098±0.004: 2 (geometric); 0.039±0.005 (Bond): 23
Inclination: 17.693°
Mean anomaly: 226.844°
Mean motion: 0° 0m 13.167s / day