1           1984-02-04.36  Binzel (1987) 
2           1984-02-04.94  Binzel (1987) 
3           1984-02-07.12  Binzel (1987) 
4  1998-09-18--2004-03-16  USNO 
5  1999-12-15--2004-06-19  Catalina 
6  2003-10-29--2010-10-28  Catalina