Comet C/2014 R1 (Borisov) is at Opposition (1.982 AU) in the constellation Ophiuchus on the 8th June 2015
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 06 05 17 04 02.4 -15 31 22 1.9521 2.9606 172.3 2.6 18.3 2015 06 06 17 03 05.5 -15 33 12 1.9618 2.9710 172.7 2.5 18.4 2015 06 07 17 02 09.0 -15 35 04 1.9718 2.9813 172.8 2.4 18.4 2015 06 08 17 01 13.0 -15 36 58 1.9821 2.9917 172.8 2.4 18.5 2015 06 09 17 00 17.6 -15 38 53 1.9926 3.0021 172.6 2.5 18.5 2015 06 10 16 59 22.8 -15 40 50 2.0034 3.0125 172.3 2.6 18.5 2015 06 11 16 58 28.6 -15 42 48 2.0145 3.0228 171.8 2.8 18.6 2015 06 12 16 57 35.2 -15 44 47 2.0259 3.0332 171.1 3.0 18.6 2015 06 13 16 56 42.5 -15 46 48 2.0376 3.0435 170.4 3.2 18.7 2015 06 14 16 55 50.6 -15 48 51 2.0495 3.0539 169.6 3.5 18.7 2015 06 15 16 54 59.5 -15 50 55 2.0617 3.0642 168.7 3.7 18.8 2015 06 16 16 54 09.2 -15 53 00 2.0742 3.0746 167.8 4.0 18.8 2015 06 17 16 53 19.9 -15 55 07 2.0870 3.0849 166.8 4.3 18.9 2015 06 18 16 52 31.5 -15 57 15 2.1001 3.0952 165.9 4.6 18.9 2015 06 19 16 51 44.1 -15 59 24 2.1134 3.1056 164.9 4.9 19.0 2015 06 20 16 50 57.7 -16 01 35 2.1270 3.1159 163.9 5.2 19.0 2015 06 21 16 50 12.3 -16 03 48 2.1408 3.1262 162.8 5.5 19.0 2015 06 22 16 49 28.0 -16 06 02 2.1550 3.1365 161.8 5.8 19.1 2015 06 23 16 48 44.7 -16 08 17 2.1694 3.1468 160.8 6.1 19.1 2015 06 24 16 48 02.6 -16 10 33 2.1840 3.1571 159.7 6.4 19.2 2015 06 25 16 47 21.6 -16 12 51 2.1989 3.1675 158.7 6.7 19.2 2015 06 26 16 46 41.8 -16 15 10 2.2141 3.1777 157.6 7.0 19.3 2015 06 27 16 46 03.1 -16 17 31 2.2295 3.1880 156.6 7.3 19.3 2015 06 28 16 45 25.6 -16 19 53 2.2452 3.1983 155.5 7.6 19.4 2015 06 29 16 44 49.3 -16 22 16 2.2611 3.2086 154.5 7.8 19.4 2015 06 30 16 44 14.2 -16 24 40 2.2773 3.2189 153.4 8.1 19.5
Comet C/2014 R1 (Borisov) makes its closest approach to the Earth (1.776 AU) in the constellation Serpens Cauda on the 25th April 2015
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 04 24 17 38 41.9 -14 40 35 1.7765 2.5232 128.0 18.3 16.6 2015 04 25 17 38 15.0 -14 41 08 1.7764 2.5336 129.1 18.0 16.6 2015 04 26 17 37 46.4 -14 41 42 1.7765 2.5440 130.1 17.6 16.7 2015 04 27 17 37 16.2 -14 42 19 1.7767 2.5544 131.2 17.2 16.7 2015 04 28 17 36 44.3 -14 42 57 1.7771 2.5648 132.3 16.9 16.7 2015 04 29 17 36 10.8 -14 43 38 1.7776 2.5753 133.4 16.5 16.8 2015 04 30 17 35 35.8 -14 44 20 1.7783 2.5857 134.5 16.1 16.8 2015 05 01 17 34 59.2 -14 45 05 1.7792 2.5961 135.6 15.8 16.9 2015 05 02 17 34 21.2 -14 45 51 1.7802 2.6065 136.7 15.4 16.9 2015 05 03 17 33 41.7 -14 46 40 1.7815 2.6169 137.8 15.0 16.9 2015 05 04 17 33 00.9 -14 47 30 1.7829 2.6274 138.9 14.6 17.0 2015 05 05 17 32 18.7 -14 48 23 1.7845 2.6378 140.0 14.2 17.0 2015 05 06 17 31 35.1 -14 49 17 1.7863 2.6482 141.1 13.8 17.1 2015 05 07 17 30 50.3 -14 50 14 1.7883 2.6586 142.2 13.4 17.1 2015 05 08 17 30 04.3 -14 51 13 1.7906 2.6691 143.4 13.0 17.1 2015 05 09 17 29 17.1 -14 52 14 1.7930 2.6795 144.5 12.6 17.2 2015 05 10 17 28 28.7 -14 53 16 1.7956 2.6899 145.6 12.2 17.2 2015 05 11 17 27 39.3 -14 54 21 1.7985 2.7004 146.7 11.8 17.3 2015 05 12 17 26 48.9 -14 55 28 1.8016 2.7108 147.9 11.4 17.3 2015 05 13 17 25 57.5 -14 56 36 1.8049 2.7212 149.0 11.0 17.3 2015 05 14 17 25 05.1 -14 57 47 1.8084 2.7316 150.2 10.6 17.4 2015 05 15 17 24 11.9 -14 59 00 1.8122 2.7421 151.3 10.2 17.4
Comet C/2014 R1 (Borisov) is at Perihelion (1.345 AU) on the 19th November 2014
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 11 18 12 39 27.2 +02 06 30 1.8724 1.4061 47.4 31.2 14.8 2014 11 19 12 42 49.9 +01 49 29 1.8705 1.4066 47.5 31.2 14.8 2014 11 20 12 46 12.1 +01 32 33 1.8687 1.4072 47.6 31.3 14.8 2014 11 21 12 49 33.6 +01 15 41 1.8670 1.4080 47.8 31.3 14.8 2014 11 22 12 52 54.5 +00 58 54 1.8655 1.4089 47.9 31.3 14.8 2014 11 23 12 56 14.7 +00 42 12 1.8640 1.4100 48.0 31.4 14.8 2014 11 24 12 59 34.2 +00 25 37 1.8627 1.4112 48.2 31.4 14.8 2014 11 25 13 02 53.0 +00 09 07 1.8615 1.4126 48.3 31.5 14.8 2014 11 26 13 06 11.0 -00 07 15 1.8603 1.4141 48.5 31.5 14.9 2014 11 27 13 09 28.3 -00 23 31 1.8593 1.4158 48.6 31.5 14.9 2014 11 28 13 12 44.8 -00 39 40 1.8584 1.4176 48.8 31.6 14.9 2014 11 29 13 16 00.6 -00 55 41 1.8575 1.4195 48.9 31.6 14.9 2014 11 30 13 19 15.5 -01 11 35 1.8568 1.4216 49.1 31.6 14.9