51P HARRINGTON     

20150528.32 => dRA = -7.1' and dDe = -2.9' its calculated position MPC

        



M.P.E.C. 2015-K132                               Issued 2015 May 28, 17:50 UT

    The Minor Planet Electronic Circulars contain information on unusual
        minor planets and routine data on comets.  They are published
  on behalf of Commission 20 of the International Astronomical Union by the
         Minor Planet Center, Smithsonian Astrophysical Observatory,
                         Cambridge, MA 02138, U.S.A.

            Prepared using the Tamkin Foundation Computer Network

                             MPC@CFA.HARVARD.EDU
           URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                            COMET 51P/HARRINGTON

Observations:
0051P        KC2015 05 06.33189 22 24 46.01 -13 32 48.1          18.4 NqEK132W96
0051P        KC2015 05 06.34493 22 24 47.85 -13 32 40.5          18.9 NqEK132W96
0051P         C2015 05 28.32434 23 14 48.84 -09 40 02.8          16.5 NqEK132W96
0051P         C2015 05 28.33864 23 14 50.82 -09 39 53.3          16.6 NqEK132W96
0051P         C2015 05 28.35607 23 14 53.10 -09 39 42.3          16.4 NqEK132W96
0051P         C2015 05 28.37111 23 14 55.14 -09 39 32.4          16.7 NqEK132W96
0051P         C2015 05 28.38523 23 14 56.98 -09 39 24.1          16.6 NqEK132W96

Observer details:
W96 CAO, San Pedro de Atacama (since 2013).  Observers A. Maury, J.-G. Bosch,
   J.-F. Soulier.  Measurers J.-G. Bosch, J.-F. Soulier.  0.4-m f/8
   Ritchey-Chretien + CCD.

Orbital elements:
 51P/Harrington
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.72883 TT                                  MPCW
q   1.5681029            (2000.0)            P               Q
n   0.14560156     Peri.  233.59362     +0.98405793     +0.11986160
a   3.5784259      Node   119.18157     -0.07130729     +0.94270215
e   0.5617897      Incl.    8.65531     -0.16292719     +0.31136129
P   6.77
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
    Nongravitational parameters A1 = +2.92, A2 = +0.4170.

 51P/Harrington
Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.39955 TT                                 MPCW
q   1.6878329            (2000.0)            P               Q
n   0.13829374     Peri.  269.17178     +0.98797593     +0.12271705
a   3.7034035      Node    83.77556     -0.07457766     +0.91109052
e   0.5442482      Incl.    5.42834     -0.13543170     +0.39351568
P   7.13
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
    Nongravitational parameters A1 = +2.92, A2 = +0.4170.

 51P/Harrington
Epoch 2015 Aug. 6.0 TT = JDT 2457240.5
T 2015 Aug. 12.70105 TT                                 MPCW
q   1.6996358            (2000.0)            P               Q
n   0.13766760     Peri.  269.29124     +0.98806234     +0.12208625
a   3.7146243      Node    83.69306     -0.07401285     +0.91108333
e   0.5424474      Incl.    5.42417     -0.13511075     +0.39372849
P   7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
    Nongravitational parameters A1 = +2.92, A2 = +0.4170.

 51P/Harrington
Epoch 2022 Sept. 18.0 TT = JDT 2459840.5
T 2022 Oct. 3.92416 TT                                  MPCW
q   1.6926468            (2000.0)            P               Q
n   0.13794281     Peri.  269.25705     +0.98794172     +0.12304182
a   3.7096818      Node    83.67193     -0.07488029     +0.91099756
e   0.5437218      Incl.    5.42566     -0.13551421     +0.39362947
P   7.15
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
    Nongravitational parameters A1 = +2.92, A2 = +0.4170.

 51P/Harrington
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Aug. 12.70721 TT                                 MPCW
q   1.6996266            (2000.0)            P               Q
n   0.13766923     Peri.  269.29418     +0.98806965     +0.12202682
a   3.7145949      Node    83.69357     -0.07395803     +0.91108811
e   0.5424463      Incl.    5.42418     -0.13508730     +0.39373585
P   7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
    Nongravitational parameters A1 = +2.92, A2 = +0.4170.

Ephemeris:
 51P/Harrington
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2015 04 28    22 05 41.8 -14 55 55   2.0999  1.9776    69.0    28.4  17.5  22.3
...
2015 05 13    22 39 50.8 -12 24 37   1.9067  1.9115    74.9    30.7  17.0  22.1
...
2015 05 21    22 58 03.3 -10 59 51   1.8081  1.8788    78.0    31.8  16.8  22.0
...
2015 05 27    23 11 41.0 -09 55 10   1.7366  1.8558    80.2    32.5  16.6  21.9
2015 05 28    23 13 57.0 -09 44 19   1.7249  1.8521    80.6    32.7  16.5  21.9
2015 05 29    23 16 13.1 -09 33 28   1.7133  1.8484    81.0    32.8  16.5  21.9
...
2015 06 04    23 29 47.6 -08 28 10   1.6448  1.8270    83.2    33.5  16.3  21.8
...
2015 06 12    23 47 47.8 -07 01 20   1.5571  1.8007    86.1    34.2  16.1  21.7
...
2015 06 27    00 20 58.9 -04 23 22   1.4041  1.7588    91.8    35.3  15.6  21.4

Gareth V. Williams           (C) Copyright 2015 MPC           M.P.E.C. 2015-K132

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