21531 Billcollin

Main-belt minor planet

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Designation: (21531) Billcollin
Class: Main-belt
Semi-major axis: 2.7614368 AU
Eccentricity: 0.0708162
Inclination: 6.09504°
Absolute magnitude (H): 14.69
Perihelion: 2.566 AU
Aphelion: 2.957 AU