1           1974-09-18.97  Lagerkvist (1976) 
 2           1974-09-20.99  Lagerkvist (1976) 
 3           1981-12-28.20  Binzel & Mulholland (1983) 
 4           1981-12-28.21  Binzel & Mulholland (1983) 
 5           1981-12-28.25  Binzel & Mulholland (1983) 
 6           1994-10-29.01  Kryszczyǹska et al. (1996) 
 7           1996-02-18.32  Piironen et al. (1998) 
 8           1996-02-22.28  Piironen et al. (1998) 
 9           1996-02-23.30  Piironen et al. (1998) 
10  1998-12-13--2003-08-21  USNO 
11  2005-12-30--2007-12-21  Catalina