2021 ST99

Main-belt minor planet

Designation: 2021 ST99
Class: Main-belt
Semi-major axis: 3.1511383 AU
Eccentricity: 0.0874991
Inclination: 17.42053°
Absolute magnitude (H): 17.95
Perihelion: 2.875 AU
Aphelion: 3.427 AU