1  1955-03-27.22  Gehrels (1956) 
 2  1955-03-28.20  Gehrels (1956) 
 3  1955-04-01.21  Gehrels (1956) 
 4  1955-04-17.18  Gehrels (1956) 
 5  1955-04-26.18  Gehrels (1956) 
 6  1955-05-15.18  Gehrels (1956) 
 7  1958-01-25.14  Gehrels & Owings (1962) 
 8  1962-01-09.60  Chang & Chang (1962) 
 9  1962-01-10.47  Chang & Chang (1962) 
10  1962-01-10.47  Chang & Chang (1962) 
11  1962-01-31.59  Chang & Chang (1962) 
12  1983-10-15.97  Barucci et al. (1985) 
13  1983-11-27.93  McCheyne et al. (1985) 
14  1985-03-23.93  Dotto et al. (1995) 
15  1986-08-02.91  Dotto et al. (1995) 
16  1986-08-03.92  Dotto et al. (1995) 
17  1992-01-25.18  Hainaut-Rouelle et al. (1995) 
18  1992-01-26.23  Hainaut-Rouelle et al. (1995)