Home›Asteroids›5550 1981 UB15550 1981 UB1Main-belt minor planetDesignation(5550) 1981 UB1ClassMain-beltSemi-major axis3.0902832 AUEccentricity0.1824665Inclination1.11546°Absolute magnitude (H)12.33Perihelion2.526 AUAphelion3.654 AU