1           1950-08-05.27  Groeneveld & Kuiper (1954) 
 2           1950-08-06.34  Groeneveld & Kuiper (1954) 
 3           1950-08-07.17  Groeneveld & Kuiper (1954) 
 4           1950-08-10.30  Groeneveld & Kuiper (1954) 
 5           1956-01-03.39  van Houten-Groeneveld & van Houten (1958) 
 6           1956-01-04.39  van Houten-Groeneveld & van Houten (1958) 
 7           2006-10-21.26  Hanuš et al. (2013) 
 8           2006-10-21.92  Hanuš et al. (2013) 
 9           2006-10-22.14  Hanuš et al. (2013) 
10           2006-10-23.21  Hanuš et al. (2013) 
11           2008-01-13.26  F. Pilcher (2009) 
12           2008-01-18.25  F. Pilcher (2009) 
13           2008-01-19.24  F. Pilcher (2009) 
14           2008-02-02.20  F. Pilcher (2009) 
15           2009-04-13.25  F. Pilcher (2009) 
16           2009-04-19.22  F. Pilcher (2009) 
17           2009-04-20.23  F. Pilcher (2009) 
18           2009-04-21.23  F. Pilcher (2009) 
19           2009-04-27.21  F. Pilcher (2009) 
20           2010-09-25.35  Pilcher 
21           2010-10-01.35  Pilcher 
22           2010-10-14.40  Pilcher 
23           2010-10-18.32  Pilcher 
24           2010-11-06.29  Pilcher 
25           2010-11-24.25  Pilcher 
26           2010-12-10.18  Pilcher 
27  1998-01-24--2009-03-29  USNO 
28  1999-11-13--2005-05-13  Catalina 
29  2004-01-13--2010-11-17  Catalina