1           1990-10-14.18  Barucci et al. (1994) 
2           1990-10-15.18  Barucci et al. (1994) 
3           1990-10-19.19  Barucci et al. (1994) 
4           2003-02-23.06  Hanuš et al. (2017) 
5  1998-03-12--2008-01-26  USNO 
6  2003-05-09--2009-04-17  Catalina