Near-Earth object / ID: 2004341
4341 Poseidon 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 1.6km - 3.6km across. It has been followed since 1987-05-29 across 1113 recorded observations. Its next approach to Earth is 2026-Dec-25 00:46, passing at 51.281 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
0.194 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
16.51 km/s
Miss distance (lunar)
51.281 LD
Miss distance (km)
19,721,077 km
Physical characteristics
Perihelion
0.587 AU
Aphelion
3.082 AU
Orbital period
907.3 days
Inclination
11.840°
Eccentricity
0.680
Semi-major axis
1.834 AU
Est. diameter (min–max)
1.6km - 3.6km
Log scale · 1m – 100km
Absolute magnitude
16.1 H
Orbit class
APO
Observations used
1,113