Comet P/2015 J3 (NEOWISE) is at Opposition (1.197 AU) on the 18th August 2015
Ephemeris
Date UT R.A. (J2000) Decl. Delta r El. Ph. Mag 2015 08 17 000000 22 02 33.5 -20 48 37 1.190 2.197 171.5 3.9 20.3 2015 08 18 000000 22 01 37.4 -20 56 35 1.197 2.203 171.7 3.8 20.3 2015 08 19 000000 22 00 41.7 -21 04 20 1.203 2.209 171.6 3.8 20.3 2015 08 20 000000 21 59 46.4 -21 11 53 1.210 2.216 171.4 3.9 20.4 2015 08 21 000000 21 58 51.5 -21 19 13 1.217 2.222 171.0 4.1 20.4 2015 08 22 000000 21 57 57.2 -21 26 20 1.224 2.228 170.5 4.3 20.4 2015 08 23 000000 21 57 03.6 -21 33 13 1.232 2.234 169.9 4.5 20.4 2015 08 24 000000 21 56 10.6 -21 39 53 1.239 2.241 169.2 4.8 20.5 2015 08 25 000000 21 55 18.5 -21 46 19 1.247 2.247 168.4 5.2 20.5 2015 08 26 000000 21 54 27.2 -21 52 31 1.256 2.253 167.6 5.5 20.5 2015 08 27 000000 21 53 36.8 -21 58 29 1.264 2.259 166.7 5.9 20.5 2015 08 28 000000 21 52 47.4 -22 04 12 1.273 2.266 165.7 6.3 20.6 2015 08 29 000000 21 51 59.0 -22 09 41 1.282 2.272 164.8 6.7 20.6 2015 08 30 000000 21 51 11.7 -22 14 56 1.291 2.278 163.8 7.1 20.6
MPEC 2015 - O21
Comet P/2015 J3 (NEOWISE) makes its closest approach to the Earth (1.111 AU) on the 21st July 2015
Date UT R.A. (J2000) Decl. Delta r El. Ph. Mag 2015 07 20 000000 22 25 00.1 -16 21 18 1.111 2.025 144.3 17.0 19.8 2015 07 21 000000 22 24 29.1 -16 30 58 1.111 2.031 145.4 16.5 19.8 2015 07 22 000000 22 23 56.3 -16 40 43 1.111 2.037 146.5 16.0 19.8 2015 07 23 000000 22 23 21.7 -16 50 33 1.111 2.043 147.6 15.4 19.8 2015 07 24 000000 22 22 45.4 -17 00 27 1.112 2.049 148.7 14.9 19.8 2015 07 25 000000 22 22 07.4 -17 10 24 1.113 2.055 149.8 14.4 19.9 2015 07 26 000000 22 21 27.7 -17 20 24 1.114 2.061 150.9 13.8 19.9 2015 07 27 000000 22 20 46.6 -17 30 25 1.115 2.067 152.1 13.3 19.9 2015 07 28 000000 22 20 04.0 -17 40 28 1.116 2.074 153.2 12.8 19.9 2015 07 29 000000 22 19 19.9 -17 50 32 1.118 2.080 154.3 12.2 19.9 2015 07 30 000000 22 18 34.5 -18 00 35 1.119 2.086 155.4 11.7 19.9 2015 07 31 000000 22 17 47.9 -18 10 38 1.121 2.092 156.5 11.2 20.0 2015 08 01 000000 22 17 00.0 -18 20 39 1.124 2.098 157.6 10.6 20.0 2015 08 02 000000 22 16 11.0 -18 30 38 1.126 2.104 158.7 10.1 20.0 2015 08 03 000000 22 15 20.9 -18 40 34 1.129 2.110 159.8 9.5 20.0 2015 08 04 000000 22 14 29.8 -18 50 27 1.132 2.117 160.9 9.0 20.0 2015 08 05 000000 22 13 37.9 -19 00 15 1.135 2.123 162.0 8.5 20.0