Asteroid
Near-Earth
Potentially hazardous
Toutatis
4179 Toutatis (1989 AC)
Where is it now
- Distance from Sun
- 4.02 AU
- True anomaly
- 169.51°
- 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
- 2.543 AU
- Eccentricity
- 0.6246
- Inclination
- 0.45°
- Orbital period
- 4.06 years
- Perihelion
- 0.955 AU
- Aphelion
- 4.132 AU
- Longitude of ascending node
- 125.37°
- Argument of periapsis
- 277.86°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 2.70 km
- Rotation period
- 7.33 days
Visual & observation
- Geometric albedo
- 0.405
- Absolute magnitude (H)
- 15.29
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Named
Potentially Hazardous Asteroid