Asteroid
Near-Earth
21277
21277 (1996 TO5)
Where is it now
- Distance from Sun
- 1.65 AU
- True anomaly
- 84.35°
- 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
- 2.378 AU
- Eccentricity
- 0.5204
- Inclination
- 20.95°
- Orbital period
- 3.67 years
- Perihelion
- 1.141 AU
- Aphelion
- 3.615 AU
- Longitude of ascending node
- 167.33°
- Argument of periapsis
- 250.2°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 7.7 hours
Visual & observation
- Absolute magnitude (H)
- 16.18
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB