1 1985-02-15.41 Binzel (1987) 2 1989-02-03.22 Slivan & Binzel (1996) 3 1989-02-04.20 Slivan & Binzel (1996) 4 1990-03-31.30 Slivan & Binzel (1996) 5 1992-10-24.15 Slivan & Binzel (1996) 6 1992-11-16.15 Slivan & Binzel (1996) 7 1992-11-21.12 Slivan & Binzel (1996) 8 1994-01-09.29 Slivan & Binzel (1996) 9 1994-01-10.27 Slivan & Binzel (1996) 10 1994-01-11.24 Slivan & Binzel (1996) 11 1994-01-16.18 Slivan & Binzel (1996) 12 1994-01-19.23 Slivan & Binzel (1996) 13 2014-01-14.31 Stephens (2014) 14 2014-01-14.49 Stephens (2014) 15 2014-01-15.32 Stephens (2014) 16 2014-01-15.48 Stephens (2014) 17 2014-01-16.31 Stephens (2014) 18 2014-01-16.48 Stephens (2014) 19 1998-11-02--2009-02-12 USNO 20 2015-01-17--2016-05-08 Gaia Collaboration et al. (2018)