Astrometric results. Date Type Ref Mid-time (UT) k1/k2 Impact Relative velocity Δ(m) Phase angle y m d (h m s) (arcsec) (mas s−1) obs cal (°) 20141104 J2OJ3 J1 09 09 13.56 ± 1.15 9.96 0.1589 ± 0.0171 3.75 ± 0.02 0.271 ± 0.026 0.283 10.66 20141105 J1OJ3 J4 10 21 39.56 ± 0.03 16.95 0.2053 ± 0.0001 6.09 ± 0.26 0.125 ± 0.091 0.131 10.69 20141108 J3OJ1 J2 11 00 31.61 ± 0.04 0.21 0.5132 ± 0.0001 7.15 ± 0.01 0.303 ± 0.034 0.280 10.69 20141111 J2OJ3 J4 12 42 35.03 ± 1.89 1.68 0.2564 ± 0.0151 3.36 ± 0.04 0.294 ± 0.031 0.283 10.76 20141229 J3OJ1 J4 05 28 54.83 ± 1.74 0.68 0.5666 ± 0.0864 4.29 ± 0.15 0.375 ± 0.079 0.318 7.47 20141229 J3EJ4 J3 05 59 20.62 ± 2.92 1.0135 ± 0.0055 4.53 ± 0.13 0.179 ± 0.041 0.241 7.46 20150105 J3OJ1 J4 08 22 52.06 ± 2.17 0.31 0.5605 ± 0.0339 5.27 ± 0.10 0.266 ± 0.031 0.233 6.36 20150119 J3EJ1 J3 12 31 13.84 ± 3.10 0.9887 ± 0.0044 4.53 ± 0.21 0.099 ± 0.018 0.196 3.79 20150119 J3OJ1 J2 13 39 20.45 ± 2.25 1.01 0.4018 ± 0.0794 7.94 ± 0.19 0.182 ± 0.036 0.181 3.78 20150123 J4EJ3 J4 09 12 36.20 ± 0.78 1.0252 ± 0.0022 5.28 ± 0.04 0.761 ± 0.077 1.393 3.02 20150211 J2OJ1 N 11 00 33.59 ± 0.96 2.47 0.1459 ± 0.0801 4.81 ± 0.07 0.447 ± 0.031 0.424 1.00 20150211 J2EJ1 N 11 12 42.16 ± 0.37 0.17 0.5652 ± 0.0341 4.00 ± 0.06 0.405 ± 0.028 0.769 1.00 20150211 J4OJ3 J2 12 36 40.61 ± 2.54 4.31 0.4677 ± 0.0904 2.86 ± 0.03 0.176 ± 0.078 0.159 1.00 20150227 J4EJ3 J1 04 33 21.14 ± 1.41 1.0942 ± 0.0026 4.77 ± 0.07 0.114 ± 0.016 0.581 4.18 20150308 J2OJ1 J3 06 18 01.19 ± 0.59 1.79 0.1299 ± 0.0732 6.03 ± 0.07 0.589 ± 0.020 0.545 5.83 20150308 J2EJ1 J2 07 23 57.39 ± 0.13 0.3965 ± 0.0006 5.98 ± 0.01 0.953 ± 0.034 0.770 5.84 20150313 J1OJ3 J4 07 35 24.46 ± 1.07 5.99 0.2339 ± 0.0226 5.34 ± 0.05 0.321 ± 0.031 0.354 6.67 20150313 J1EJ3 J4 09 58 45.41 ± 0.71 0.5476 ± 0.0018 3.65 ± 0.02 0.705 ± 0.094 0.836 6.68 20150331 J3OJ2 J4 06 15 11.66 ± 0.02 0.61 0.8975 ± 0.0596 5.99 ± 0.77 0.044 ± 0.015 0.002 9.05 20150409 J2OJ1 J3 03 54 15.86 ± 0.63 2.97 0.5057 ± 0.0675 6.95 ± 0.35 0.169 ± 0.010 0.173 9.86 20150409 J2EJ1 J2 05 40 17.96 ± 3.74 0.9630 ± 0.0051 6.00 ± 0.66 0.036 ± 0.013 0.134 9.86