20533 Irmabonham

Main-belt minor planet

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Designation: (20533) Irmabonham
Class: Main-belt
Semi-major axis: 2.9266048 AU
Eccentricity: 0.0807543
Inclination: 3.15094°
Absolute magnitude (H): 14.18
Perihelion: 2.690 AU
Aphelion: 3.163 AU