Near-Earth object / ID: 2001866
1866 Sisyphus is a near-Earth object of the APO orbit class — Near-Earth asteroid orbits which cross the Earth’s orbit similar to that of 1862 Apollo. Radar and photometric estimates put it between 8.5km - 19.1km across. It has been followed since 1955-01-26 across 10708 recorded observations. Its next approach to Earth is 2058-Nov-18 16:40, passing at 59.631 LD. It is not classified as a potentially hazardous asteroid.
Data source: NASA NeoWs API
Visualization: mesh render
Hazard analysis
PHA status
Not hazardous
Min. orbit intersection
0.103 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
23.77 km/s
Miss distance (lunar)
59.631 LD
Miss distance (km)
22,932,270 km
Physical characteristics
Perihelion
0.875 AU
Aphelion
2.912 AU
Orbital period
951.6 days
Inclination
41.206°
Eccentricity
0.538
Semi-major axis
1.893 AU
Est. diameter (min–max)
8.5km - 19.1km
Log scale · 1m – 100km
Absolute magnitude
12.5 H
Orbit class
APO
Observations used
10,708