Comet 80P/Peters-Hartley makes its closest approach to the Earth (2.255 AU) in the constellation Pegasus on the 10th August 2015
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 08 09 22 27 36.1 +34 40 04 2.2552 2.9700 126.3 16.0 20.2 2015 08 10 22 26 41.7 +34 42 30 2.2552 2.9762 126.9 15.8 20.2 2015 08 11 22 25 46.6 +34 44 36 2.2553 2.9825 127.5 15.6 20.3 2015 08 12 22 24 50.9 +34 46 20 2.2557 2.9887 128.0 15.5 20.3 2015 08 13 22 23 54.7 +34 47 45 2.2562 2.9950 128.6 15.3 20.3 2015 08 14 22 22 58.0 +34 48 48 2.2568 3.0012 129.2 15.2 20.3 2015 08 15 22 22 00.9 +34 49 31 2.2577 3.0075 129.7 15.0 20.3 2015 08 16 22 21 03.4 +34 49 53 2.2587 3.0137 130.2 14.9 20.4 2015 08 17 22 20 05.6 +34 49 55 2.2599 3.0199 130.7 14.7 20.4 2015 08 18 22 19 07.5 +34 49 36 2.2613 3.0261 131.2 14.6 20.4 2015 08 19 22 18 09.3 +34 48 56 2.2629 3.0324 131.7 14.4 20.4 2015 08 20 22 17 11.0 +34 47 56 2.2647 3.0386 132.2 14.3 20.4 2015 08 21 22 16 12.6 +34 46 36 2.2667 3.0448 132.7 14.1 20.4 2015 08 22 22 15 14.2 +34 44 56 2.2689 3.0510 133.1 14.0 20.5 2015 08 23 22 14 15.8 +34 42 55 2.2712 3.0572 133.5 13.9 20.5 2015 08 24 22 13 17.6 +34 40 35 2.2738 3.0634 134.0 13.7 20.5 2015 08 25 22 12 19.5 +34 37 56 2.2765 3.0696 134.4 13.6 20.5 2015 08 26 22 11 21.7 +34 34 57 2.2795 3.0757 134.7 13.5 20.5 2015 08 27 22 10 24.1 +34 31 39 2.2826 3.0819 135.1 13.4 20.6 2015 08 28 22 09 26.9 +34 28 02 2.2860 3.0881 135.4 13.3 20.6 2015 08 29 22 08 30.1 +34 24 07 2.2896 3.0943 135.7 13.2 20.6 2015 08 30 22 07 33.7 +34 19 53 2.2933 3.1004 136.0 13.1 20.6 2015 08 31 22 06 37.9 +34 15 22 2.2973 3.1066 136.3 13.0 20.7
Comet 80P/Peters-Hartley is at Perihelion (1.613 AU) on the 10th November 2014
Comet 80P/Peters-Hartley makes its closest approach to the Earth (2.114 AU) on the 23rd February 2014
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 02 22 07 52 31.8 -15 30 05 2.1142 2.9014 135.2 13.9 19.9 2014 02 23 07 51 42.6 -15 27 03 2.1141 2.8951 134.5 14.1 19.9 2014 02 24 07 50 54.5 -15 23 50 2.1141 2.8888 133.8 14.3 19.8 2014 02 25 07 50 07.7 -15 20 25 2.1144 2.8824 133.1 14.5 19.8 2014 02 26 07 49 22.2 -15 16 50 2.1148 2.8761 132.3 14.7 19.8 2014 02 27 07 48 38.0 -15 13 05 2.1155 2.8698 131.6 15.0 19.8 2014 02 28 07 47 55.1 -15 09 10 2.1163 2.8635 130.8 15.2 19.8
Comet 80P/Peters-Hartley is at Opposition (2.214 AU) on the 25th January 2014.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 01 24 08 21 19.0 -15 17 28 2.2212 3.0824 145.4 10.5 20.5 2014 01 25 08 20 17.5 -15 21 27 2.2139 3.0762 145.5 10.4 20.5 2014 01 26 08 19 15.5 -15 25 10 2.2069 3.0700 145.6 10.4 20.5 2014 01 27 08 18 13.2 -15 28 38 2.2001 3.0639 145.6 10.5 20.4 2014 01 28 08 17 10.6 -15 31 50 2.1937 3.0577 145.7 10.5 20.4 2014 01 29 08 16 07.8 -15 34 47 2.1874 3.0515 145.6 10.5 20.4 2014 01 30 08 15 04.9 -15 37 28 2.1815 3.0453 145.6 10.5 20.4 2014 01 31 08 14 01.9 -15 39 54 2.1758 3.0391 145.4 10.6 20.3