Home›Asteroids›99980 1981 ER1899980 1981 ER18Main-belt minor planetDesignation(99980) 1981 ER18ClassMain-beltSemi-major axis2.5577795 AUEccentricity0.1679524Inclination5.05835°Absolute magnitude (H)15.4Perihelion2.128 AUAphelion2.987 AU