Comet
ATLAS
427P/ATLAS
Where is it now
- Distance from Sun
- 4.028 AU
- True anomaly
- 202.17°
- 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
- 3.171 AU
- Eccentricity
- 0.313
- Inclination
- 11.85°
- Orbital period
- 5.65 years
- Perihelion
- 2.178 AU
- Aphelion
- 4.163 AU
- Longitude of ascending node
- 252.39°
- Argument of periapsis
- 99.94°
- Epoch · J2000
- JD 2457962.52388 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 10.7
- Spectral type
- ETc
Sources
- orbital elements: JPL SBDB (comets)