Asteroid
Near-Earth
17188
17188 (1999 WC2)
Where is it now
- Distance from Sun
- 1.118 AU
- True anomaly
- 73.65°
- 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
- 2.216 AU
- Eccentricity
- 0.6367
- Inclination
- 29.45°
- Orbital period
- 3.3 years
- Perihelion
- 0.805 AU
- Aphelion
- 3.627 AU
- Longitude of ascending node
- 269.76°
- Argument of periapsis
- 287.22°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 0.91 km
- Rotation period
- 5.06 hours
Visual & observation
- Geometric albedo
- 0.147
- Absolute magnitude (H)
- 16.42
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB