Asteroid
Near-Earth
5646
5646 (1990 TR)
Where is it now
- Distance from Sun
- 3.07 AU
- True anomaly
- 175.07°
- 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
- 2.144 AU
- Eccentricity
- 0.4358
- Inclination
- 7.91°
- Orbital period
- 3.14 years
- Perihelion
- 1.21 AU
- Aphelion
- 3.079 AU
- Longitude of ascending node
- 14.07°
- Argument of periapsis
- 335.82°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 2.15 km
- Rotation period
- 3.2 hours
Visual & observation
- Geometric albedo
- 0.223
- Absolute magnitude (H)
- 15.51
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB