Comet P/2003 T12 (SOHO = 2012 A3) makes its closest approach to the Earth (2.257 AU) in the constellation Libra on the 12th June 2015
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 06 10 15 46 51.4 -04 32 11 2.2411 3.1773 152.7 8.4 23.8 2015 06 11 15 45 44.7 -04 29 19 2.2406 3.1709 151.6 8.7 23.8 2015 06 12 15 44 38.6 -04 26 34 2.2404 3.1645 150.6 9.1 23.8 2015 06 13 15 43 33.2 -04 23 57 2.2404 3.1580 149.5 9.4 23.7 2015 06 14 15 42 28.3 -04 21 29 2.2407 3.1515 148.5 9.7 23.7 2015 06 15 15 41 24.3 -04 19 08 2.2413 3.1450 147.4 10.0 23.7 2015 06 16 15 40 20.9 -04 16 56 2.2421 3.1385 146.3 10.3 23.7 2015 06 17 15 39 18.4 -04 14 52 2.2432 3.1320 145.3 10.7 23.7 2015 06 18 15 38 16.8 -04 12 57 2.2445 3.1254 144.2 11.0 23.7 2015 06 19 15 37 16.1 -04 11 10 2.2461 3.1188 143.1 11.3 23.7 2015 06 20 15 36 16.3 -04 09 31 2.2479 3.1122 142.0 11.6 23.7 2015 06 21 15 35 17.5 -04 08 01 2.2500 3.1056 140.9 11.9 23.7 2015 06 22 15 34 19.7 -04 06 40 2.2523 3.0990 139.8 12.2 23.7 2015 06 23 15 33 22.9 -04 05 27 2.2548 3.0923 138.7 12.5 23.7 2015 06 24 15 32 27.3 -04 04 23 2.2576 3.0856 137.6 12.8 23.7 2015 06 25 15 31 32.8 -04 03 28 2.2606 3.0789 136.6 13.1 23.7 2015 06 26 15 30 39.5 -04 02 42 2.2637 3.0722 135.5 13.4 23.6 2015 06 27 15 29 47.3 -04 02 03 2.2671 3.0655 134.4 13.7 23.6 2015 06 28 15 28 56.3 -04 01 34 2.2707 3.0587 133.3 14.0 23.6 2015 06 29 15 28 06.6 -04 01 13 2.2745 3.0519 132.2 14.3 23.6 2015 06 30 15 27 18.1 -04 01 01 2.2785 3.0451 131.1 14.6 23.6
Comet P/2003 T12 (SOHO = 2012 A3) is at Opposition (2.322 AU) in the constellation Ophiuchus on the 22nd May 2015
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 05 21 16 09 46.4 -05 53 00 2.3138 3.3016 165.0 4.6 24.0 2015 05 22 16 08 39.0 -05 48 06 2.3072 3.2956 165.1 4.5 24.0 2015 05 23 16 07 31.2 -05 43 16 2.3010 3.2896 165.1 4.5 24.0 2015 05 24 16 06 23.0 -05 38 31 2.2951 3.2835 165.0 4.6 24.0 2015 05 25 16 05 14.4 -05 33 50 2.2895 3.2774 164.8 4.7 24.0 2015 05 26 16 04 05.5 -05 29 14 2.2842 3.2713 164.4 4.8 23.9 2015 05 27 16 02 56.4 -05 24 44 2.2792 3.2652 164.1 4.9 23.9 2015 05 28 16 01 47.1 -05 20 18 2.2745 3.2590 163.6 5.0 23.9 2015 05 29 16 00 37.6 -05 15 58 2.2701 3.2528 163.0 5.2 23.9 2015 05 30 15 59 28.0 -05 11 43 2.2661 3.2467 162.4 5.4 23.9 2015 05 31 15 58 18.4 -05 07 35 2.2623 3.2405 161.7 5.6 23.9
Comet P/2012 A3 (SOHO) is at Opposition (3.540 AU) on the 27th April 2014
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 04 25 14 33 07.9 -04 55 06 3.5429 4.5368 169.9 2.2 26.3 2014 04 26 14 32 19.8 -04 50 19 3.5413 4.5360 170.2 2.2 26.3 2014 04 27 14 31 31.5 -04 45 34 3.5399 4.5353 170.4 2.1 26.3 2014 04 28 14 30 43.2 -04 40 50 3.5389 4.5345 170.3 2.1 26.3 2014 04 29 14 29 54.8 -04 36 10 3.5382 4.5337 170.2 2.2 26.3 2014 04 30 14 29 06.4 -04 31 31 3.5378 4.5329 169.9 2.2 26.3 2014 05 01 14 28 17.9 -04 26 56 3.5378 4.5321 169.5 2.3 26.3 2014 05 02 14 27 29.5 -04 22 23 3.5381 4.5313 169.0 2.4 26.3 2014 05 03 14 26 41.2 -04 17 54 3.5387 4.5304 168.3 2.6 26.3 2014 05 04 14 25 53.0 -04 13 27 3.5396 4.5296 167.6 2.7 26.3 2014 05 05 14 25 04.8 -04 09 04 3.5408 4.5288 166.9 2.9 26.3 2014 05 06 14 24 16.9 -04 04 45 3.5424 4.5279 166.0 3.1 26.3 2014 05 07 14 23 29.1 -04 00 29 3.5443 4.5270 165.2 3.3 26.3 2014 05 08 14 22 41.6 -03 56 17 3.5465 4.5261 164.3 3.5 26.3 2014 05 09 14 21 54.2 -03 52 09 3.5490 4.5252 163.3 3.7 26.3 2014 05 10 14 21 07.2 -03 48 05 3.5518 4.5243 162.4 3.9 26.3 2014 05 11 14 20 20.5 -03 44 06 3.5549 4.5234 161.4 4.1 26.3 2014 05 12 14 19 34.0 -03 40 10 3.5583 4.5225 160.4 4.3 26.3 2014 05 13 14 18 48.0 -03 36 19 3.5620 4.5215 159.4 4.5 26.3 2014 05 14 14 18 02.3 -03 32 33 3.5661 4.5206 158.3 4.7 26.3 2014 05 15 14 17 17.0 -03 28 52 3.5704 4.5196 157.3 5.0 26.3 2014 05 16 14 16 32.1 -03 25 15 3.5750 4.5186 156.2 5.2 26.3 2014 05 17 14 15 47.7 -03 21 43 3.5799 4.5176 155.2 5.4 26.3 2014 05 18 14 15 03.8 -03 18 16 3.5851 4.5166 154.1 5.6 26.3 2014 05 19 14 14 20.3 -03 14 54 3.5906 4.5156 153.0 5.8 26.3 2014 05 20 14 13 37.4 -03 11 37 3.5963 4.5146 152.0 6.0 26.3 2014 05 21 14 12 55.0 -03 08 26 3.6024 4.5136 150.9 6.3 26.3 2014 05 22 14 12 13.2 -03 05 20 3.6087 4.5125 149.8 6.5 26.3 2014 05 23 14 11 31.9 -03 02 19 3.6153 4.5115 148.8 6.7 26.3 2014 05 24 14 10 51.3 -02 59 24 3.6221 4.5104 147.7 6.9 26.3 2014 05 25 14 10 11.3 -02 56 35 3.6292 4.5093 146.6 7.1 26.3 2014 05 26 14 09 32.0 -02 53 51 3.6366 4.5082 145.5 7.3 26.3 2014 05 27 14 08 53.3 -02 51 13 3.6442 4.5071 144.4 7.5 26.3 2014 05 28 14 08 15.3 -02 48 41 3.6521 4.5060 143.4 7.7 26.4 2014 05 29 14 07 38.0 -02 46 14 3.6603 4.5049 142.3 7.9 26.4 2014 05 30 14 07 01.4 -02 43 54 3.6686 4.5038 141.2 8.1 26.4 2014 05 31 14 06 25.6 -02 41 39 3.6773 4.5026 140.1 8.3 26.4
Comet P/2012 A3 (SOHO) is at Opposition (2.996 AU) on the 7th April, 2013.
Orbital elements: P/2003 T12 = 2012 A3 (SOHO) Epoch 2012 Feb. 3.0 TT = JDT 2455960.5 T 2012 Jan. 26.47024 TT MPC q 0.5749967 (2000.0) P Q n 0.23941456 Peri. 217.68177 +0.82654688 -0.56273636 a 2.5686347 Node 176.49638 +0.55261658 +0.80719680 e 0.7761470 Incl. 11.48453 +0.10693536 +0.17821650 P 4.12 From 112 observations 2003 Oct. 9-2012 Jan. 31
MPEC 2012 - B111
Orbital elements: P/2003 T12 = 2012 A3 (SOHO) Epoch 2012 Feb. 3.0 TT = JDT 2455960.5 T 2012 Jan. 26.53754 TT MPC q 0.5769327 (2000.0) P Q n 0.23941646 Peri. 217.70408 +0.82640143 -0.56295170 a 2.5686211 Node 176.49004 +0.55262665 +0.80675389 e 0.7753921 Incl. 11.38550 +0.10800216 +0.17953706 P 4.12 From 112 observations 2003 Oct. 9-2012 Jan. 21
MPEC 2012 - B96
Comet 2012 A3 (SOHO) was rediscovered on the 21st January, 2012.The preliminary orbital elements of the comet indicate a perihelion passage on the 26th January, 2012, at a distance of 0.6 AU from the Sun, and an orbital period of 4.12 years.