(163899) 2003 SD220 photograph

(163899) 2003 SD220

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Orbital period274 days
DiscoveredSeptember 29, 2003
Dimensions0. 80±0. 02 km; 1. 03 km (calculated)
Absolute magnitude (H)17. 3 · 17. 36
Observation arc15. 96 yr (5,828 days)
DiscovererLowell Observatory Near-Earth-Object Search
Date of Reg.
Date of Upd.
ID1276499
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About (163899) 2003 SD220


(163899) 2003 SD₂₂₀ is a sub-kilometer asteroid and tumbling slow rotator, classified as near-Earth object and potentially hazardous asteroid of the Aten group, which orbit the Sun between Venus and Earth. Its orbital period of 0. 75 years means that it orbits the sun about 4 times for every 3 of the Earth.

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