821553 2015 HY21

Main-belt minor planet

Designation: (821553) 2015 HY21
Class: Main-belt
Semi-major axis: 2.2246352 AU
Eccentricity: 0.0923982
Inclination: 4.0576°
Absolute magnitude (H): 18.78
Perihelion: 2.019 AU
Aphelion: 2.430 AU