Comet 261P/Larson is at Opposition (3.698 AU) in the constellation Leo on the 20th February 2015.
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 02 19 10 04 42.1 +07 15 15 3.6961 4.6823 175.7 0.9 23.5 2015 02 20 10 04 02.5 +07 18 20 3.6976 4.6840 175.7 0.9 23.5 2015 02 21 10 03 22.9 +07 21 26 3.6994 4.6858 175.5 1.0 23.5 2015 02 22 10 02 43.4 +07 24 32 3.7015 4.6875 174.9 1.1 23.6 2015 02 23 10 02 04.0 +07 27 39 3.7039 4.6893 174.2 1.2 23.6 2015 02 24 10 01 24.8 +07 30 46 3.7067 4.6910 173.4 1.4 23.6 2015 02 25 10 00 45.7 +07 33 53 3.7098 4.6927 172.4 1.6 23.6 2015 02 26 10 00 06.9 +07 37 01 3.7132 4.6944 171.4 1.8 23.6 2015 02 27 09 59 28.3 +07 40 08 3.7169 4.6961 170.4 2.0 23.6 2015 02 28 09 58 50.0 +07 43 14 3.7210 4.6979 169.3 2.2 23.6
Comet 261P/Larson is at Opposition (2.613 AU) on the 11th January 2014
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 01 10 07 31 33.9 +22 59 04 2.6101 3.5931 178.1 0.5 21.6 2014 01 11 07 30 41.0 +22 59 43 2.6133 3.5966 178.8 0.3 21.6 2014 01 12 07 29 48.3 +23 00 21 2.6169 3.6002 178.5 0.4 21.7 2014 01 13 07 28 55.8 +23 00 57 2.6208 3.6037 177.6 0.7 21.7 2014 01 14 07 28 03.4 +23 01 32 2.6250 3.6072 176.5 1.0 21.7 2014 01 15 07 27 11.4 +23 02 04 2.6296 3.6108 175.3 1.3 21.7 2014 01 16 07 26 19.6 +23 02 35 2.6344 3.6143 174.1 1.6 21.7 2014 01 17 07 25 28.2 +23 03 04 2.6396 3.6178 172.9 1.9 21.7 2014 01 18 07 24 37.2 +23 03 31 2.6450 3.6214 171.7 2.2 21.7 2014 01 19 07 23 46.6 +23 03 56 2.6508 3.6249 170.5 2.6 21.7 2014 01 20 07 22 56.6 +23 04 18 2.6569 3.6284 169.3 2.9 21.7
Comet 261P/Larson is at Perihelion (2.187 AU) on the 29th September, 2012.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2012 09 29 23 06 26.6 +04 51 32 1.2156 2.1869 160.9 8.6 17.8 2012 09 30 23 05 56.9 +04 48 58 1.2191 2.1869 159.9 9.0 17.8 2012 10 01 23 05 28.3 +04 46 23 1.2228 2.1870 159.0 9.5 17.8
Comet 261P/Larson makes its closest approach to the Earth (1.191 AU) on the 15th September, 2012.