21857 1999 TJ154

Main-belt minor planet

Designation: (21857) 1999 TJ154
Class: Main-belt
Semi-major axis: 2.8497648 AU
Eccentricity: 0.0735785
Inclination: 2.45788°
Absolute magnitude (H): 14.05
Perihelion: 2.640 AU
Aphelion: 3.059 AU