Home›Asteroids›18903 Matsuura18903 MatsuuraMain-belt minor planetOpen encyclopedia entry →Designation(18903) MatsuuraClassMain-beltSemi-major axis2.5590587 AUEccentricity0.1975372Inclination9.32266°Absolute magnitude (H)13.46Perihelion2.054 AUAphelion3.065 AU