Asteroid
Near-Earth
Potentially hazardous
308242
308242 (2005 GO21)
Where is it now
- Distance from Sun
- 0.906 AU
- True anomaly
- 141.09°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 0.753 AU
- Eccentricity
- 0.3399
- Inclination
- 24.93°
- Orbital period
- 238.8 days
- Perihelion
- 0.497 AU
- Aphelion
- 1.009 AU
- Longitude of ascending node
- 272.67°
- Argument of periapsis
- 156.64°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 11 hours
Visual & observation
- Absolute magnitude (H)
- 16.18
- Spectral type
- ATE
Discovery & classification
Near-Earth Object
Potentially Hazardous Asteroid