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Post Info TOPIC: Comet P/2003 T12 = 2012 A3 (SOHO)


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Date:
Comet P/2003 T12 (SOHO = 2012 A3)
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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


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Posts: 131433
Date:
Comet P/2003 T12 (SOHO)
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Comet P/2003 T12 (SOHO = 2012 A3) is at Opposition (2.322 AU) in the constellation Ophiuchus on the 22nd May 2015 

Ephemeris

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


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Posts: 131433
Date:
Comet P/2012 A3 (SOHO)
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Comet P/2012 A3 (SOHO) is at Opposition (3.540 AU) on the 27th April 2014 

Ephemeris

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


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Comet P/2012 A3 (SOHO) is at Opposition (2.996 AU) on the 7th April, 2013.



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Posts: 131433
Date:
RE: Comet P/2003 T12 = 2012 A3 (SOHO)
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Comet P/2012 A3 (SOHO) makes its closest approach to the Earth (0.791 AU) on the 3rd March, 2012

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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



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Posts: 131433
Date:
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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.



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