Asteroid
Near-Earth
Potentially hazardous
137427
137427 (1999 TF211)
Where is it now
- Distance from Sun
- 2.343 AU
- True anomaly
- 235.27°
- 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
- 2.44 AU
- Eccentricity
- 0.6118
- Inclination
- 39.51°
- Orbital period
- 3.81 years
- Perihelion
- 0.947 AU
- Aphelion
- 3.932 AU
- Longitude of ascending node
- 347.9°
- Argument of periapsis
- 162.39°
- Epoch · J2000
- 2461000.5
Visual & observation
- Absolute magnitude (H)
- 15.28
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Potentially Hazardous Asteroid