Near-Earth object / ID: 2016816
16816 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 1.5km - 3.4km across. It has been followed since 1997-10-29 across 2005 recorded observations. Its next approach to Earth is 2038-Mar-25 08:34, passing at 56.271 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
0.380 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
22.91 km/s
Miss distance (lunar)
56.271 LD
Miss distance (km)
21,640,257 km
Physical characteristics
Perihelion
0.572 AU
Aphelion
2.313 AU
Orbital period
632.8 days
Inclination
25.917°
Eccentricity
0.604
Semi-major axis
1.442 AU
Est. diameter (min–max)
1.5km - 3.4km
Log scale · 1m – 100km
Absolute magnitude
16.2 H
Orbit class
APO
Observations used
2,005