Trans-Neptunian object
559178
559178 (2015 BM518)
Where is it now
- Distance from Sun
- 34.378 AU
- True anomaly
- 291.4°
- 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
- 36.394 AU
- Eccentricity
- 0.1194
- Inclination
- 8.83°
- Orbital period
- 219.6 years
- Perihelion
- 32.049 AU
- Aphelion
- 40.74 AU
- Longitude of ascending node
- 262.35°
- Argument of periapsis
- 0.24°
- Epoch · J2000
- 2461000.5
Visual & observation
- Absolute magnitude (H)
- 6.42
- Spectral type
- TNO
Discovery & classification
TNO
Sources
- orbital elements: JPL SBDB