C/1999 F1 (Catalina)
Comet
C/1999 F1 (Catalina) is one of the longest known long-period comets. It was discovered on March 23, 1999, by the Catalina Sky Survey. Wikipedia
Discovered: March 23, 1999
Orbits: Sun
Aphelion: ~54,000 AU (inbound); ~66,000 AU (outbound)
Perihelion: 5.787 AU (q); (outside of Jupiter's orbit)