744281 2009 HD21
Near-Earth minor planet
- Designation
- (744281) 2009 HD21
- Class
- Near-Earth
- Semi-major axis
- 2.7659172 AU
- Eccentricity
- 0.6897943
- Inclination
- 18.71928°
- Absolute magnitude (H)
- 18.24
- Perihelion
- 0.858 AU
- Aphelion
- 4.674 AU
Near-Earth minor planet