Comet 121P/Shoemaker-Holt 2 is at Opposition (3.340 AU) in the constellation Coma Berenices (close to M64) on the 23rd March 2015
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 03 22 12 52 38.1 +22 47 31 3.3386 4.2560 153.9 5.9 21.7 2015 03 23 12 52 03.2 +22 51 36 3.3395 4.2574 154.0 5.9 21.7 2015 03 24 12 51 28.0 +22 55 32 3.3408 4.2589 154.0 5.9 21.7 2015 03 25 12 50 52.6 +22 59 20 3.3423 4.2603 153.9 5.9 21.7 2015 03 26 12 50 17.0 +23 03 00 3.3441 4.2618 153.8 5.9 21.7 2015 03 27 12 49 41.3 +23 06 32 3.3461 4.2632 153.7 6.0 21.7 2015 03 28 12 49 05.4 +23 09 55 3.3485 4.2647 153.5 6.0 21.7 2015 03 29 12 48 29.3 +23 13 09 3.3511 4.2662 153.3 6.0 21.7 2015 03 30 12 47 53.2 +23 16 15 3.3540 4.2676 153.0 6.1 21.7 2015 03 31 12 47 17.1 +23 19 11 3.3571 4.2691 152.7 6.2 21.7
Comet 121P/Shoemaker-Holt is at Opposition (2.831 AU) on the 25th January 2014.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 01 24 08 49 45.7 +32 45 07 2.8313 3.7920 165.4 3.8 20.3 2014 01 25 08 49 04.2 +32 51 18 2.8315 3.7925 165.5 3.7 20.3 2014 01 26 08 48 22.4 +32 57 24 2.8320 3.7931 165.4 3.7 20.3 2014 01 27 08 47 40.5 +33 03 23 2.8328 3.7936 165.3 3.8 20.3 2014 01 28 08 46 58.3 +33 09 16 2.8339 3.7941 165.1 3.8 20.3 2014 01 29 08 46 16.1 +33 15 02 2.8354 3.7947 164.8 3.9 20.3 2014 01 30 08 45 33.8 +33 20 41 2.8371 3.7952 164.4 4.0 20.3 2014 01 31 08 44 51.5 +33 26 12 2.8391 3.7958 164.0 4.1 20.4
Comet 121P/Shoemaker-Holt is at Perihelion (3.754 AU) on the 11th September, 2013.
Comet 121P/Shoemaker-Holt makes its closest approach to Earth (2.939 AU) on the 3rd December, 2012
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2012 11 29 04 31 45.7 +09 15 25 2.9412 3.9099 167.5 3.1 20.7 2012 11 30 04 31 03.5 +09 17 09 2.9401 3.9089 167.6 3.1 20.7 2012 12 01 04 30 21.2 +09 18 56 2.9393 3.9079 167.5 3.1 20.7 2012 12 02 04 29 38.8 +09 20 48 2.9389 3.9068 167.4 3.2 20.7 2012 12 03 04 28 56.5 +09 22 44 2.9388 3.9058 167.1 3.2 20.7 2012 12 04 04 28 14.1 +09 24 44 2.9389 3.9048 166.7 3.3 20.7 2012 12 05 04 27 31.9 +09 26 49 2.9394 3.9038 166.3 3.4 20.7 2012 12 06 04 26 49.8 +09 28 58 2.9402 3.9027 165.8 3.6 20.7 2012 12 07 04 26 07.8 +09 31 12 2.9412 3.9017 165.2 3.7 20.7 2012 12 08 04 25 26.0 +09 33 29 2.9426 3.9007 164.5 3.9 20.7 2012 12 09 04 24 44.5 +09 35 51 2.9443 3.8997 163.8 4.0 20.7 2012 12 10 04 24 03.1 +09 38 18 2.9463 3.8987 163.0 4.2 20.7