Home›Asteroids›40478 1999 RT5440478 1999 RT54Main-belt minor planetDesignation(40478) 1999 RT54ClassMain-beltSemi-major axis2.3871696 AUEccentricity0.1780677Inclination0.83219°Absolute magnitude (H)15.88Perihelion1.962 AUAphelion2.812 AU