Near-Earth object / ID: 2003554
3554 Amun is a near-Earth object of the ATE orbit class — Near-Earth asteroid orbits similar to that of 2062 Aten. Radar and photometric estimates put it between 1.7km - 3.9km across. It has been followed since 1986-03-04 across 1979 recorded observations. Its next approach to Earth is 2033-Feb-04 17:55, passing at 149.569 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
0.251 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
14.64 km/s
Miss distance (lunar)
149.569 LD
Miss distance (km)
57,519,637 km
Physical characteristics
Perihelion
0.701 AU
Aphelion
1.247 AU
Orbital period
351.0 days
Inclination
23.357°
Eccentricity
0.281
Semi-major axis
0.974 AU
Est. diameter (min–max)
1.7km - 3.9km
Log scale · 1m – 100km
Absolute magnitude
15.9 H
Orbit class
ATE
Observations used
1,979