Near-Earth object / ID: 2011885
11885 Summanus 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 525m - 1.2km across. It has been followed since 1990-09-25 across 397 recorded observations. Its next approach to Earth is 2031-Mar-20 09:23, passing at 57.411 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
0.067 AU
Orbit uncertainty
0 / 9 (well determined)
Sentry monitoring
Not on the Sentry risk list
Orbital parameters
Next closest approach
Date
Relative velocity
17.47 km/s
Miss distance (lunar)
57.411 LD
Miss distance (km)
22,078,589 km
Physical characteristics
Perihelion
0.895 AU
Aphelion
2.511 AU
Orbital period
811.8 days
Inclination
19.433°
Eccentricity
0.475
Semi-major axis
1.703 AU
Est. diameter (min–max)
525m - 1.2km
Log scale · 1m – 100km
Absolute magnitude
18.5 H
Orbit class
APO
Observations used
397