Asteroid
Near-Earth
Potentially hazardous
164121
164121 (2003 YT1)
Where is it now
- Distance from Sun
- 1.195 AU
- True anomaly
- 121.06°
- 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
- 1.11 AU
- Eccentricity
- 0.2921
- Inclination
- 44.06°
- Orbital period
- 427.1 days
- Perihelion
- 0.786 AU
- Aphelion
- 1.434 AU
- Longitude of ascending node
- 38.31°
- Argument of periapsis
- 91.01°
- Epoch · J2000
- 2461000.5
Physical properties
- Mean radius
- 0.86 km
- Rotation period
- 2.34 hours
Visual & observation
- Geometric albedo
- 0.198
- Absolute magnitude (H)
- 16.15
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Potentially Hazardous Asteroid