Asteroid
Near-Earth
428223
428223 (2006 WW)
Where is it now
- Distance from Sun
- 5.009 AU
- True anomaly
- 182.56°
- 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
- 2.697 AU
- Eccentricity
- 0.8696
- Inclination
- 31.81°
- Orbital period
- 4.43 years
- Perihelion
- 0.352 AU
- Aphelion
- 5.043 AU
- Longitude of ascending node
- 87.89°
- Argument of periapsis
- 198.38°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 1.26 km
Visual & observation
- Geometric albedo
- 0.101
- Absolute magnitude (H)
- 16.02
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB