Asteroid
Near-Earth
Potentially hazardous
Phaethon
3200 Phaethon (1983 TB)
Where is it now
- Distance from Sun
- 0.219 AU
- True anomaly
- 283.5°
- 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
- 1.271 AU
- Eccentricity
- 0.8897
- Inclination
- 22.31°
- Orbital period
- 523.7 days
- Perihelion
- 0.14 AU
- Aphelion
- 2.403 AU
- Longitude of ascending node
- 265.1°
- Argument of periapsis
- 322.3°
- Epoch · J2000
- 2461200.5
Physical properties
- Mean radius
- 3.13 km
- Rotation period
- 3.6 hours
Visual & observation
- Geometric albedo
- 0.107
- Absolute magnitude (H)
- 14.38
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Named
Potentially Hazardous Asteroid