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)