640158 1999 TT21

Main-belt minor planet

Designation: (640158) 1999 TT21
Class: Main-belt
Semi-major axis: 2.4741728 AU
Eccentricity: 0.2630631
Inclination: 9.16282°
Absolute magnitude (H): 17.4
Perihelion: 1.823 AU
Aphelion: 3.125 AU