Original: Heavens Above : Spacecraft escaping the Solar System May 20 , 2008 , Week Ending May 25 2008 At this distance , it is farther away from the Sun than any known natural solar system object , including Eris and 90377 Sedna , but excluding long-period comets .
Simplified: At this distance , it is more distant from the Sun than any known natural solar-system object , including 90377 Sedna .