Comet 171P/Spahr is at Opposition (3.781 AU) on the 24th May 2014
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 05 23 16 15 54.6 -02 50 50 3.7794 4.7518 161.8 3.8 23.2 2014 05 24 16 15 12.7 -02 50 31 3.7815 4.7544 161.9 3.8 23.2 2014 05 25 16 14 30.9 -02 50 17 3.7840 4.7569 161.9 3.8 23.2 2014 05 26 16 13 49.1 -02 50 08 3.7867 4.7594 161.8 3.8 23.2 2014 05 27 16 13 07.4 -02 50 04 3.7898 4.7620 161.6 3.8 23.2 2014 05 28 16 12 25.7 -02 50 04 3.7931 4.7645 161.4 3.9 23.2 2014 05 29 16 11 44.1 -02 50 10 3.7967 4.7670 161.1 3.9 23.2 2014 05 30 16 11 02.6 -02 50 20 3.8007 4.7695 160.8 4.0 23.2 2014 05 31 16 10 21.3 -02 50 35 3.8049 4.7720 160.4 4.1 23.2
Comet 171P/Spahr is at Opposition (2.316 AU) on the 11th April, 2013
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2013 04 10 13 59 43.2 +21 04 49 2.3109 3.2113 149.0 9.3 20.4 2013 04 11 13 58 50.7 +21 08 08 2.3158 3.2163 149.0 9.2 20.4 2013 04 12 13 57 58.2 +21 11 12 2.3210 3.2212 148.9 9.2 20.4 2013 04 13 13 57 05.5 +21 14 02 2.3264 3.2262 148.8 9.3 20.4 2013 04 14 13 56 12.8 +21 16 38 2.3320 3.2312 148.7 9.3 20.4 2013 04 15 13 55 20.2 +21 18 58 2.3379 3.2362 148.5 9.3 20.4 2013 04 16 13 54 27.6 +21 21 05 2.3441 3.2411 148.3 9.4 20.5 2013 04 17 13 53 35.2 +21 22 56 2.3505 3.2461 148.1 9.4 20.5 2013 04 18 13 52 42.9 +21 24 32 2.3572 3.2510 147.8 9.5 20.5 2013 04 19 13 51 50.9 +21 25 54 2.3641 3.2560 147.5 9.6 20.5 2013 04 20 13 50 59.1 +21 27 01 2.3713 3.2609 147.1 9.6 20.5 2013 04 21 13 50 07.6 +21 27 53 2.3787 3.2658 146.7 9.7 20.5 2013 04 22 13 49 16.5 +21 28 31 2.3864 3.2708 146.3 9.8 20.5 2013 04 23 13 48 25.8 +21 28 53 2.3943 3.2757 145.9 9.9 20.5 2013 04 24 13 47 35.6 +21 29 01 2.4025 3.2806 145.4 10.0 20.6 2013 04 25 13 46 45.8 +21 28 54 2.4109 3.2855 144.9 10.1 20.6 2013 04 26 13 45 56.6 +21 28 33 2.4195 3.2904 144.4 10.2 20.6 2013 04 27 13 45 07.9 +21 27 58 2.4284 3.2953 143.9 10.4 20.6 2013 04 28 13 44 19.9 +21 27 08 2.4375 3.3002 143.3 10.5 20.6 2013 04 29 13 43 32.4 +21 26 04 2.4468 3.3051 142.8 10.6 20.6 2013 04 30 13 42 45.6 +21 24 46 2.4563 3.3100 142.2 10.8 20.6
Comet 171P/Spahr is at Perihelion (1.765 AU) on the 30th April, 2012.
Comet 171P/Spahr makes its closest approach to the Earth (1.606 AU) on the 19th October, 2011.