1           1974-10-16.98  Scaltriti & Zappala (1976) 
 2           1974-10-20.95  Scaltriti & Zappala (1976) 
 3           1974-11-06.89  Schober (1976) 
 4           1974-11-07.92  Scaltriti & Zappala (1976) 
 5           1974-11-07.99  Schober (1976) 
 6           1974-11-08.91  Scaltriti & Zappala (1976) 
 7           1974-11-09.98  Schober (1976) 
 8           1974-11-10.97  Schober (1976) 
 9           1974-11-21.87  Scaltriti & Zappala (1976) 
10           1974-11-25.86  Scaltriti & Zappala (1976) 
11           1974-12-03.90  Scaltriti & Zappala (1976) 
12           1983-01-13.00  di Martino & Cacciatori (1984) 
13           1983-01-22.02  Barucci et al. (1985) 
14           1989-08-29.90  Michałowski & Velichko (1990) 
15           1989-08-30.88  Michałowski & Velichko (1990) 
16           1989-09-01.94  Michałowski & Velichko (1990) 
17           1989-09-04.78  Michałowski & Velichko (1990) 
18           1989-09-05.80  Michałowski & Velichko (1990) 
19           1989-09-22.76  Michałowski & Velichko (1990) 
20           1989-10-24.71  Michałowski & Velichko (1990) 
21           1989-10-25.80  Michałowski & Velichko (1990) 
22           1993-09-22.94  Shevchenko et al. (1996) 
23           1993-10-07.02  Shevchenko et al. (1996) 
24           1993-10-14.88  Shevchenko et al. (1996) 
25           1993-10-18.82  Shevchenko et al. (1996) 
26           1993-10-19.80  Shevchenko et al. (1996) 
27           1993-10-19.84  Shevchenko et al. (1996) 
28           1993-10-20.93  Shevchenko et al. (1996) 
29           1993-10-21.76  Shevchenko et al. (1996) 
30           1993-11-09.13  De Angelis & Mottola (1995) 
31           1993-11-11.78  Shevchenko et al. (1996) 
32           1993-11-14.15  De Angelis & Mottola (1995) 
33           1993-11-14.77  Shevchenko et al. (1996) 
34           1993-12-04.68  Shevchenko et al. (1996) 
35           1994-02-08.69  Shevchenko et al. (1996) 
36           1994-02-09.72  Shevchenko et al. (1996) 
37  1999-01-04--2008-11-09  USNO 
38  1999-04-17--2004-12-21  Catalina 
39  2003-04-21--2010-06-24  Catalina