Home›Asteroids›30157 Robertspira30157 RobertspiraMain-belt minor planetOpen encyclopedia entry →Designation(30157) RobertspiraClassMain-beltSemi-major axis2.460335 AUEccentricity0.189984Inclination2.78458°Absolute magnitude (H)15.85Perihelion1.993 AUAphelion2.928 AU