Home›Asteroids›121557 Paulmason121557 PaulmasonMain-belt minor planetOpen encyclopedia entry →Designation(121557) PaulmasonClassMain-beltSemi-major axis3.1419666 AUEccentricity0.2261042Inclination9.37677°Absolute magnitude (H)15.16Perihelion2.432 AUAphelion3.852 AU