Centaur
2015 HD401
(2015 HD401)
Where is it now
- Distance from Sun
- 6.801 AU
- True anomaly
- 220.49°
- 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
- 5.946 AU
- Eccentricity
- 0.2218
- Inclination
- 3.87°
- Orbital period
- 14.5 years
- Perihelion
- 4.628 AU
- Aphelion
- 7.265 AU
- Longitude of ascending node
- 254.18°
- Argument of periapsis
- 7.21°
- Epoch · J2000
- 2457131.5
Visual & observation
- Absolute magnitude (H)
- 16.39
- Spectral type
- CEN
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB