1998 WW31
Astronomical observation
1998 WW₃₁, is a non-resonant trans-Neptunian object and binary system from the Kuiper belt located in the outermost region of the Solar System, approximately 148 kilometers in diameter. Wikipedia
Mean diameter: 148 km (est. primary); 192.1 km (cal. system)
Discovered: November 18, 1998
Discoverers: Marc Buie and Ian P. Griffin
Discovery site: Kitt Peak National Observatory
Absolute magnitude: 6.7
Mean anomaly: 141.847°
Mean motion: 0° 0m 11.963s / day
Show more
Show less