1           1979-03-25.22  Harris & Young (1989) 
 2           1980-07-05.29  Harris & Young (1989) 
 3           1981-09-21.33  Harris et al. (1992) 
 4           1981-09-25.17  Harris et al. (1992) 
 5           1988-04-22.24  Hutton & Blain (1988) 
 6           1988-04-22.13  Hutton & Blain (1988) 
 7           1988-04-22.17  Hutton & Blain (1988) 
 8           1993-05-13.36  Piironen et al. (1998) 
 9           1993-05-15.36  Piironen et al. (1998) 
10           2006-06-23.94  Ďurech et al. (2018) 
11           2006-06-26.95  Ďurech et al. (2018) 
12           2006-06-29.92  Ďurech et al. (2018) 
13           2006-07-10.90  Ďurech et al. (2018) 
14           2006-07-20.89  Ďurech et al. (2018) 
15           2006-07-21.86  Ďurech et al. (2018) 
16           2006-08-06.84  Ďurech et al. (2018) 
17           2006-08-08.87  Ďurech et al. (2018) 
18           2011-08-29.85  Ďurech et al. (2018) 
19           2011-08-30.91  Ďurech et al. (2018) 
20           2011-09-16.86  Ďurech et al. (2018) 
21           2011-09-18.87  Ďurech et al. (2018) 
22           2016-08-02.03  Ďurech et al. (2018) 
23           2016-08-14.02  Ďurech et al. (2018) 
24           2016-08-18.01  Ďurech et al. (2018) 
25  1998-06-23--2009-02-15  USNO 
26  1999-10-02--2005-05-02  Catalina 
27  2004-01-03--2010-05-13  Catalina 
28  1993-04-18--1996-02-19  Carlsberg