Asteroid
Near-Earth
Potentially hazardous
159857
159857 (2004 LJ1)
Where is it now
- Distance from Sun
- 3.561 AU
- True anomaly
- 172.52°
- 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
- 2.262 AU
- Eccentricity
- 0.5935
- Inclination
- 23.15°
- Orbital period
- 3.4 years
- Perihelion
- 0.92 AU
- Aphelion
- 3.605 AU
- Longitude of ascending node
- 235.53°
- Argument of periapsis
- 140.02°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 1.54 km
- Rotation period
- 2.73 hours
Visual & observation
- Geometric albedo
- 0.13
- Absolute magnitude (H)
- 15.46
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Potentially Hazardous Asteroid