Home›Asteroids›285317 1998 YR21285317 1998 YR21Main-belt minor planetDesignation(285317) 1998 YR21ClassMain-beltSemi-major axis2.7811224 AUEccentricity0.1796424Inclination4.36857°Absolute magnitude (H)17.06Perihelion2.282 AUAphelion3.281 AU