18728 Grammier

Main-belt minor planet

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Designation: (18728) Grammier
Class: Main-belt
Semi-major axis: 2.6952223 AU
Eccentricity: 0.1936491
Inclination: 5.41686°
Absolute magnitude (H): 13.97
Perihelion: 2.173 AU
Aphelion: 3.217 AU