Home›Asteroids›19509 Niigata19509 NiigataMain-belt minor planetOpen encyclopedia entry →Designation(19509) NiigataClassMain-beltSemi-major axis2.6059391 AUEccentricity0.2134138Inclination12.64606°Absolute magnitude (H)14.51Perihelion2.050 AUAphelion3.162 AU