Marsden, Brian (18 September 2007), "MPEC 2007-S16 : COMET P/1999 R1 = 2003 R5 = 2007 R5 (SOHO)", Minor Planet Electronic Circular (2007-S16) "SOHO's new catch: its first officially periodic comet".
2007년 9월 25일에 확인함.  Marsden, Brian (2007년 9월 18일), “MPEC 2007-S16 : COMET P/1999 R1 = 2003 R5 = 2007 R5 (SOHO)”, 《Minor Planet Electronic Circular》 (2007-S16)  “SOHO's new catch: its first officially periodic comet”.