Centaur
2015 HQ409
(2015 HQ409)
Where is it now
- Distance from Sun
- 5.005 AU
- True anomaly
- 317.03°
- 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
- 5.503 AU
- Eccentricity
- 0.1158
- Inclination
- 6°
- Orbital period
- 12.91 years
- Perihelion
- 4.866 AU
- Aphelion
- 6.141 AU
- Longitude of ascending node
- 45.57°
- Argument of periapsis
- 149.33°
- Epoch · J2000
- 2457132.5
Visual & observation
- Absolute magnitude (H)
- 16.48
- Spectral type
- CEN
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB