Home›Asteroids›21877 1999 UL1221877 1999 UL12Main-belt minor planetDesignation(21877) 1999 UL12ClassMain-beltSemi-major axis2.3683069 AUEccentricity0.1738814Inclination2.5815°Absolute magnitude (H)16.23Perihelion1.957 AUAphelion2.780 AU