Home›Asteroids›397989 2009 BT99397989 2009 BT99Main-belt minor planetDesignation(397989) 2009 BT99ClassMain-beltSemi-major axis2.5375933 AUEccentricity0.1960765Inclination20.52238°Absolute magnitude (H)16.9Perihelion2.040 AUAphelion3.035 AU