1 1992-02-27.15 di Martino et al. (1994) 2 1992-02-28.19 di Martino et al. (1994) 3 1998-06-19--2007-09-25 USNO 4 2003-06-01--2008-09-09 Catalina 5 1999-10-29--2005-05-11 Catalina