Asteroid
Near-Earth
678861
678861 (2017 YH)
Where is it now
- Distance from Sun
- 0.805 AU
- True anomaly
- 215°
- 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
- 0.635 AU
- Eccentricity
- 0.4823
- Inclination
- 19.85°
- Orbital period
- 184.6 days
- Perihelion
- 0.329 AU
- Aphelion
- 0.941 AU
- Longitude of ascending node
- 134.15°
- Argument of periapsis
- 147.53°
- Epoch · J2000
- 2461000.5
Physical properties
- Rotation period
- 3.89 hours
Visual & observation
- Absolute magnitude (H)
- 18.1
- Spectral type
- IEO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB