Comet
duToit-Neujmin-Delporte
57P/duToit-Neujmin-Delporte
Where is it now
- Distance from Sun
- 4.129 AU
- True anomaly
- 221.71°
- 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
- 3.45 AU
- Eccentricity
- 0.4998
- Inclination
- 2.85°
- Orbital period
- 6.41 years
- Perihelion
- 1.726 AU
- Aphelion
- 5.174 AU
- Longitude of ascending node
- 188.81°
- Argument of periapsis
- 115.13°
- Epoch · J2000
- JD 2457165.01714 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 15.8
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)