Comet
NEOWISE
417P/NEOWISE
Where is it now
- Distance from Sun
- 2.923 AU
- True anomaly
- 248.15°
- 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
- 3.35 AU
- Eccentricity
- 0.5546
- Inclination
- 8.13°
- Orbital period
- 6.13 years
- Perihelion
- 1.492 AU
- Aphelion
- 5.209 AU
- Longitude of ascending node
- 111.36°
- Argument of periapsis
- 129.4°
- Epoch · J2000
- JD 2459326.41004 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 17.5
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)