Centaur
2011 SQ55
(2011 SQ55)
Where is it now
- Distance from Sun
- 2.15 AU
- True anomaly
- 349.79°
- 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
- 6.111 AU
- Eccentricity
- 0.6505
- Inclination
- 22.42°
- Orbital period
- 15.11 years
- Perihelion
- 2.136 AU
- Aphelion
- 10.086 AU
- Longitude of ascending node
- 23.05°
- Argument of periapsis
- 328.43°
- Epoch · J2000
- 2461000.5
Visual & observation
- Absolute magnitude (H)
- 18
- Spectral type
- CEN
Discovery & classification
Centaur
Sources
- orbital elements: JPL SBDB