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Post Info TOPIC: Comet P/2012 H1 (PANSTARRS)


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Posts: 131433
Date:
Comet 258P/PANSTARRS
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Comet 258P/PANSTARRS is at Opposition (4.314 AU) in the constellation Aquarius on the 20th August 2015

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2015 08 19    22 00 57.9 -15 15 09   4.3143  5.3251   176.7     0.6  23.4
2015 08 20    22 00 26.4 -15 18 34   4.3144  5.3253   177.0     0.6  23.4
2015 08 21    21 59 54.9 -15 21 58   4.3148  5.3255   177.0     0.6  23.4
2015 08 22    21 59 23.4 -15 25 21   4.3155  5.3256   176.5     0.7  23.4
2015 08 23    21 58 51.9 -15 28 42   4.3166  5.3258   175.8     0.8  23.4
2015 08 24    21 58 20.5 -15 32 02   4.3179  5.3259   175.0     0.9  23.4
2015 08 25    21 57 49.1 -15 35 21   4.3195  5.3261   174.1     1.1  23.4
2015 08 26    21 57 17.8 -15 38 39   4.3215  5.3263   173.1     1.3  23.4
2015 08 27    21 56 46.6 -15 41 54   4.3237  5.3264   172.1     1.5  23.4
2015 08 28    21 56 15.5 -15 45 08   4.3262  5.3265   171.1     1.7  23.4
2015 08 29    21 55 44.5 -15 48 20   4.3291  5.3267   170.0     1.9  23.4
2015 08 30    21 55 13.7 -15 51 30   4.3322  5.3268   169.0     2.1  23.4
2015 08 31    21 54 43.1 -15 54 38   4.3356  5.3270   167.9     2.3  23.5


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Date:
RE: Comet P/2012 H1 (PANSTARRS)
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Comet 258P/PANSTARRS is at Opposition (4.078 AU) on the 21st July 2014

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2014 07 20    19 59 03.2 -19 20 30   4.0766  5.0925   178.4     0.3  23.1
2014 07 21    19 58 28.5 -19 22 50   4.0776  5.0935   178.7     0.3  23.1
2014 07 22    19 57 53.9 -19 25 10   4.0788  5.0945   178.2     0.4  23.1
2014 07 23    19 57 19.3 -19 27 30   4.0804  5.0955   177.3     0.5  23.1
2014 07 24    19 56 44.7 -19 29 49   4.0823  5.0965   176.3     0.7  23.1
2014 07 25    19 56 10.2 -19 32 09   4.0844  5.0974   175.3     0.9  23.1
2014 07 26    19 55 35.9 -19 34 27   4.0869  5.0984   174.2     1.2  23.1
2014 07 27    19 55 01.6 -19 36 45   4.0897  5.0994   173.1     1.4  23.1
2014 07 28    19 54 27.5 -19 39 03   4.0927  5.1004   172.1     1.6  23.1
2014 07 29    19 53 53.6 -19 41 19   4.0961  5.1014   171.0     1.8  23.1
2014 07 30    19 53 19.9 -19 43 35   4.0997  5.1024   169.9     2.0  23.1
2014 07 31    19 52 46.5 -19 45 50   4.1037  5.1033   168.8     2.2  23.1


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Posts: 131433
Date:
Comet 258P/PANSTARRS
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Comet 258P/PANSTARRS is at Opposition (3.539 AU) on the 14th June, 2013.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2013 06 13    17 32 42.6 -17 19 51   3.5377  4.5488   173.9     1.4  22.3
2013 06 14    17 32 05.0 -17 20 04   3.5390  4.5504   174.0     1.3  22.3
2013 06 15    17 31 27.5 -17 20 18   3.5406  4.5521   174.0     1.3  22.3
2013 06 16    17 30 49.9 -17 20 34   3.5425  4.5537   173.8     1.4  22.3
2013 06 17    17 30 12.5 -17 20 50   3.5447  4.5553   173.4     1.5  22.3
2013 06 18    17 29 35.1 -17 21 09   3.5471  4.5570   172.9     1.6  22.3
2013 06 19    17 28 57.9 -17 21 28   3.5499  4.5586   172.2     1.7  22.3
2013 06 20    17 28 20.9 -17 21 49   3.5530  4.5603   171.4     1.9  22.3
2013 06 21    17 27 44.0 -17 22 11   3.5563  4.5619   170.6     2.1  22.3
2013 06 22    17 27 07.4 -17 22 34   3.5599  4.5635   169.7     2.3  22.4
2013 06 23    17 26 31.0 -17 22 59   3.5639  4.5652   168.8     2.5  22.4
2013 06 24    17 25 54.8 -17 23 24   3.5681  4.5668   167.9     2.7  22.4
2013 06 25    17 25 19.0 -17 23 52   3.5726  4.5684   166.9     2.9  22.4
2013 06 26    17 24 43.4 -17 24 20   3.5774  4.5701   165.9     3.1  22.4
2013 06 27    17 24 08.2 -17 24 50   3.5824  4.5717   165.0     3.3  22.4
2013 06 28    17 23 33.4 -17 25 22   3.5878  4.5733   163.9     3.5  22.4
2013 06 29    17 22 58.9 -17 25 54   3.5934  4.5750   162.9     3.7  22.4
2013 06 30    17 22 24.9 -17 26 28   3.5994  4.5766   161.9     4.0  22.4


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Comet 258P/PANSTARRS makes its closest approach to the Earth (3.535 AU) on the 9th June , 2013.



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Posts: 131433
Date:
RE: Comet P/2012 H1 (PANSTARRS)
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Orbital elements:
    P/2012 H1 (PANSTARRS)
Epoch 2011 Mar. 20.0 TT = JDT 2455640.5
T 2011 Mar. 18.75987 TT                                 MPC
q   3.4793860            (2000.0)            P               Q
n   0.10679848     Peri.   25.77233     -0.88147362     -0.46265925
a   4.3997298      Node   126.34386     +0.41041024     -0.84964507
e   0.2091819      Incl.    6.74531     +0.23359729     -0.25308038
P   9.23
From 32 observations 2002 Mar. 11-2012 May 2

MPEC 2012 - K42



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Orbital elements:
    P/2012 H1 (PANSTARRS)
Epoch 2011 Mar. 20.0 TT = JDT 2455640.5
T 2011 Mar. 19.27407 TT                                 MPC
q   3.4799270            (2000.0)            P               Q
n   0.10679957     Peri.   25.85857     -0.88215338     -0.46136234
a   4.3996999      Node   126.34192     +0.40915923     -0.85024569
e   0.2090535      Incl.    6.74497     +0.23322552     -0.25343058
P   9.23
From 18 observations 2011 Feb. 7-2012 Apr. 30

MPEC 2012 - H94

Comet P/2012 H1 (PANSTARRS) was discovered on the 7th February, 2011, by the Pan-STARRS 1 telescope.
The preliminary orbital elements of the comet indicate a perihelion passage was on the 20th March, 2011, at a distance of 3.48 AU from the Sun, and an orbital period of 9.23 years.



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