Near-Earth object / ID: 2055408
55408 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 445m - 995m across. It has been followed since 1979-11-13 across 560 recorded observations. Its next approach to Earth is 2048-Dec-20 06:48, passing at 26.299 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
0.146 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
14.01 km/s
Miss distance (lunar)
26.299 LD
Miss distance (km)
10,113,948 km
Physical characteristics
Perihelion
0.853 AU
Aphelion
1.347 AU
Orbital period
421.3 days
Inclination
30.390°
Eccentricity
0.225
Semi-major axis
1.100 AU
Est. diameter (min–max)
445m - 995m
Log scale · 1m – 100km
Absolute magnitude
18.9 H
Orbit class
APO
Observations used
560