Asteroid
Near-Earth
143947
143947 (2003 YQ117)
Where is it now
- Distance from Sun
- 2.658 AU
- True anomaly
- 144.17°
- 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
- 2.182 AU
- Eccentricity
- 0.6543
- Inclination
- 21.03°
- Orbital period
- 3.22 years
- Perihelion
- 0.754 AU
- Aphelion
- 3.61 AU
- Longitude of ascending node
- 217.49°
- Argument of periapsis
- 135.72°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 36.4 hours
Visual & observation
- Absolute magnitude (H)
- 15.36
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB