1           1987-03-31.35  Binzel & Sauter (1992) 
2           1987-04-01.23  Binzel & Sauter (1992) 
3           1987-04-02.47  Binzel & Sauter (1992) 
4           1992-09-08.09  Dahlgren et al. (1998) 
5           1992-09-09.06  Dahlgren et al. (1998) 
6  1998-06-08--2009-01-28  USNO 
7  2003-03-23--2010-05-06  Catalina