Asteroid
Near-Earth
9400
9400 (1994 TW1)
Where is it now
- Distance from Sun
- 3.994 AU
- True anomaly
- 190.73°
- 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
- 2.588 AU
- Eccentricity
- 0.5807
- Inclination
- 35.98°
- Orbital period
- 4.16 years
- Perihelion
- 1.085 AU
- Aphelion
- 4.091 AU
- Longitude of ascending node
- 3.35°
- Argument of periapsis
- 62.17°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 1.85 km
- Rotation period
- 4.05 days
Visual & observation
- Geometric albedo
- 0.155
- Absolute magnitude (H)
- 14.84
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB