(153591) 2001 SN263
Asteroid
(153591) 2001 SN₂₆₃ is a carbonaceous trinary asteroid, classified as near-Earth object and former potentially hazardous asteroid of the Amor group, approximately 2.6 kilometers in diameter. Wikipedia
Mass: (917.5±2.2)×1010 kg
Orbital period: 1,023 days
Spectral type: B-type asteroid
Discovered: September 20, 2001
Discoverer: Lincoln Near-Earth Asteroid Research