Home›Asteroids›70657 1999 TW25870657 1999 TW258Main-belt minor planetDesignation(70657) 1999 TW258ClassMain-beltSemi-major axis2.5407638 AUEccentricity0.0090628Inclination4.58725°Absolute magnitude (H)15.86Perihelion2.518 AUAphelion2.564 AU