Near-Earth object / ID: 2066400
66400 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 372m - 832m across. It has been followed since 1987-04-21 across 835 recorded observations. Its next approach to Earth is 2028-Apr-17 10:21, passing at 55.632 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
0.059 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
27.39 km/s
Miss distance (lunar)
55.632 LD
Miss distance (km)
21,394,603 km
Physical characteristics
Perihelion
0.366 AU
Aphelion
1.345 AU
Orbital period
288.9 days
Inclination
9.063°
Eccentricity
0.573
Semi-major axis
0.855 AU
Est. diameter (min–max)
372m - 832m
Log scale · 1m – 100km
Absolute magnitude
19.3 H
Orbit class
ATE
Observations used
835