322P/SOHO
Comet
Comet 322P/SOHO, also designated P/1999 R1, P/2003 R5, P/2007 R5, and P/2011 R4, is the first periodic comet to be discovered using the automated telescopes of the SOHO spacecraft, and second to be given a numbered designation, after 321P/SOHO. Wikipedia
Discoverers: Terry Lovejoy, Sebastian F. Hönig, and Kazimieras Černis
Discovered: September 4, 1999
Orbital period: 3.97 yr
Aphelion: 4.967 AU
Comet total magnitude (M1): 19.00 ± 0.09
Earth MOID: 0.092 AU (13,800,000 km)
Perihelion: 0.0507 AU; (16% of Mercury's perihelion)