Asteroid
Near-Earth
66146
66146 (1998 TU3)
Where is it now
- Distance from Sun
- 1.041 AU
- True anomaly
- 150.38°
- 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
- 0.788 AU
- Eccentricity
- 0.4837
- Inclination
- 5.42°
- Orbital period
- 255.3 days
- Perihelion
- 0.407 AU
- Aphelion
- 1.168 AU
- Longitude of ascending node
- 101.88°
- Argument of periapsis
- 84.99°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 1.43 km
- Rotation period
- 2.38 hours
Visual & observation
- Geometric albedo
- 0.224
- Absolute magnitude (H)
- 14.36
- Spectral type
- ATE
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB