Cesco is a comet in the Comet orbit class. Its orbit takes it from 1.37 AU to 131.8 AU from the Sun; one orbit takes 543.4 years. Orbit from the JPL solution of 15 April 2021.
Where is it now
- Distance from Sun
- 67.563 AU
- True anomaly
- 168.52°
- Distance from Earth
- 68.417 AU
- As of
- 24 October 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.
In the sky
- Right ascension
- 12h 00m 12s
- Declination
- -01° 53′ 17″
- Constellation
- Virgo
- Distance from Earth
- 68.41 AU
- Elongation from the Sun
- 31.2° — near the Sun — look low at dusk or dawn
Visible from both hemispheres.
From your location
See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 66.587 AU
- Eccentricity
- 0.9794
- Inclination
- 173.16°
- Orbital period
- 543.4 years
- Perihelion
- 1.373 AU
- Aphelion
- 131.802 AU
- Longitude of ascending node
- 165.74°
- Argument of periapsis
- 176.76°
- Epoch · J2000
- 2442280.5
- Orbit class · COM
- Comet
- Earth MOID · 142.5 LD
- 0.3662 AU
- Tisserand (Jupiter)
- -1.357
Orbit quality
Orbit poorly determined (uncertainty code 7).
- Observations used
- 18
- Data arc
- 73 days
- First observed
- 27 July 1974
- Last observed
- 8 October 1974
- Residual RMS
- 0.44 ″
- Solution · Otto Matic
- 15 April 2021
Discovery & classification
Also known as 1974 O1
Sources
- orbital elements: JPL SBDB