Centaur
2015 HG391
(2015 HG391)
Where is it now
- Distance from Sun
- 6.439 AU
- True anomaly
- 240.67°
- 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
- 6.034 AU
- Eccentricity
- 0.2265
- Inclination
- 5.53°
- Orbital period
- 14.82 years
- Perihelion
- 4.668 AU
- Aphelion
- 7.401 AU
- Longitude of ascending node
- 196.75°
- Argument of periapsis
- 26.24°
- Epoch · J2000
- 2457132.5
Visual & observation
- Absolute magnitude (H)
- 16.7
- Spectral type
- CEN
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB