Home›Asteroids›18870 1999 US1318870 1999 US13Main-belt minor planetDesignation(18870) 1999 US13ClassMain-beltSemi-major axis2.5529764 AUEccentricity0.1455042Inclination3.7206°Absolute magnitude (H)13.97Perihelion2.182 AUAphelion2.924 AU