Asteroid
Near-Earth
Potentially hazardous
163051
163051 (2001 YJ4)
Where is it now
- Distance from Sun
- 1.957 AU
- True anomaly
- 111.82°
- 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
- 2.275 AU
- Eccentricity
- 0.5665
- Inclination
- 9.28°
- Orbital period
- 3.43 years
- Perihelion
- 0.986 AU
- Aphelion
- 3.565 AU
- Longitude of ascending node
- 247.77°
- Argument of periapsis
- 322.39°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 4.69 hours
Visual & observation
- Absolute magnitude (H)
- 16.34
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Potentially Hazardous Asteroid