Asteroid
Near-Earth
164201
164201 (2004 EC)
Where is it now
- Distance from Sun
- 0.288 AU
- True anomaly
- 20.75°
- 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
- 1.997 AU
- Eccentricity
- 0.8601
- Inclination
- 34.58°
- Orbital period
- 2.82 years
- Perihelion
- 0.279 AU
- Aphelion
- 3.714 AU
- Longitude of ascending node
- 28.82°
- Argument of periapsis
- 10.34°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 3.91 hours
Visual & observation
- Absolute magnitude (H)
- 15.73
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB