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  • MPEC 2016-B13 : COMET 104P/Kowal

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    M.P.E.C. 2016-B13                                Issued 2016 Jan. 17, 05:21 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                   COMET 104P/Kowal
    
    Observations:
    0104P        9C2016 01 03.83713 22 26 46.08 -03 06 29.8          19.0 TqEB013G40
    0104P        9C2016 01 03.85015 22 26 47.87 -03 06 22.9                qEB013G40
    0104P        9C2016 01 03.86410 22 26 49.75 -03 06 16.8                qEB013G40
    0104P        9C2016 01 04.82094 22 29 03.43 -02 58 20.1          19.2 TqEB013G40
    0104P        9C2016 01 04.82724 22 29 04.33 -02 58 17.1                qEB013G40
    0104P        9C2016 01 04.83424 22 29 05.37 -02 58 12.9                qEB013G40
    0104P        9C2016 01 07.82456 22 36 09.05 -02 32 30.5                qEB013G40
    0104P        9C2016 01 07.83768 22 36 10.96 -02 32 23.4          19.1 TqEB013G40
    0104P        9C2016 01 07.84508 22 36 12.07 -02 32 20.0          19.3 TqEB013G40
    0104P        9C2016 01 10.81779 22 43 23.82 -02 05 18.2          19.1 TqEB013G40
    0104P        9C2016 01 10.82376 22 43 24.75 -02 05 14.7          19.0 TqEB013G40
    0104P        9C2016 01 10.83071 22 43 25.76 -02 05 10.4          19.2 TqEB013G40
    0104P        9C2016 01 10.83765 22 43 26.72 -02 05 06.9          19.2 TqEB013G40
    0104P        9C2016 01 10.84461 22 43 27.75 -02 05 03.1                qEB013G40
    
    Observer details:
    G40 Slooh.com Canary Islands Observatory.  Observer B. Lutkenhoner.  0.5-m
        f/6.8 Corrected Dall-Kirkham + CCD.
    
    Orbital elements:
     104P/Kowal
    Epoch 1998 Mar. 8.0 TT = JDT 2450880.5
    T 1998 Mar. 2.16635 TT                                  MPCW
    q   1.3966030            (2000.0)            P               Q
    n   0.15951378     Peri.  191.90159     +0.21390760     -0.94582725
    a   3.3672129      Node   246.14844     +0.91672756     +0.28073015
    e   0.5852347      Incl.   15.48877     +0.33742275     -0.16309936
    P   6.18
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
     104P/Kowal
    Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
    T 2004 May  9.18071 TT                                  MPCW
    q   1.3959713            (2000.0)            P               Q
    n   0.15952168     Peri.  192.03968     +0.21268105     -0.94613300
    a   3.3671017      Node   246.08658     +0.91719157     +0.27945842
    e   0.5854086      Incl.   15.48900     +0.33693678     -0.16350944
    P   6.18
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
     104P/Kowal
    Epoch 2010 May 4.0 TT = JDT 2455320.5
    T 2010 May 4.83494 TT                                   MPCW
    q   1.1795313            (2000.0)            P               Q
    n   0.16734919     Peri.  200.54157     +0.24579873     -0.95815672
    a   3.2612716      Node   235.50218     +0.91232990     +0.27980893
    e   0.6383217      Incl.   10.25288     +0.32747081     -0.06035454
    P   5.89
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
     104P/Kowal
    Epoch 2016 Apr. 2.0 TT = JDT 2457480.5
    T 2016 Mar. 28.16515 TT                                 MPCW
    q   1.1792805            (2000.0)            P               Q
    n   0.16728689     Peri.  200.65732     +0.24492385     -0.95839971
    a   3.2620813      Node   235.43929     +0.91264545     +0.27892599
    e   0.6384883      Incl.   10.25194     +0.32724698     -0.06058297
    P   5.89
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
     104P/Kowal
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
    T 2022 Jan. 11.52572 TT                                 MPCW
    q   1.0731464            (2000.0)            P               Q
    n   0.17161558     Peri.  227.26070     +0.26915871     -0.96202298
    a   3.2069947      Node   207.22394     +0.91010663     +0.26950280
    e   0.6653732      Incl.    5.70135     +0.31505477     +0.04335938
    P   5.74
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
     104P/Kowal
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
    T 2016 Mar. 28.16482 TT                                 MPCW
    q   1.1792763            (2000.0)            P               Q
    n   0.16727068     Peri.  200.65716     +0.24492006     -0.95840086
    a   3.2622920      Node   235.43966     +0.91264591     +0.27892213
    e   0.6385129      Incl.   10.25181     +0.32724854     -0.06058253
    P   5.89
    From 395 observations 1997 May 15-2016 Jan. 10, mean residual 0".9.
         Nongravitational parameters A1 = +0.25, A2 = +0.1195.
    
    Ephemeris:
     104P/Kowal
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2015 12 18    21 50 36.6 -05 00 27   1.8910  1.6871    62.9    31.3  19.7
    ...
    2016 01 02    22 22 30.7 -03 21 25   1.9031  1.5738    55.6    31.1  19.4
    ...
    2016 01 10    22 41 21.0 -02 13 04   1.9024  1.5157    52.3    30.9  19.2
    ...
    2016 01 16    22 56 18.1 -01 15 01   1.8989  1.4736    50.0    30.7  19.1
    2016 01 17    22 58 51.7 -01 04 48   1.8981  1.4667    49.6    30.7  19.1
    2016 01 18    23 01 26.5 -00 54 26   1.8972  1.4598    49.3    30.7  19.0
    ...
    2016 01 24    23 17 19.6 +00 10 49   1.8907  1.4198    47.2    30.6  18.9
    ...
    2016 02 01    23 39 36.4 +01 45 23   1.8794  1.3695    44.8    30.5  18.7
    ...
    2016 02 16    00 24 53.0 +05 01 20   1.8531  1.2870    41.2    30.4  18.4
    
    Gareth V. Williams           (C) Copyright 2016 MPC           M.P.E.C. 2016-B13
    

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