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  • MPEC 1999-T02 : COMET C/1999 S4 (LINEAR)

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    M.P.E.C. 1999-T02                                Issued 1999 Oct. 1, 21:57 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.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                               COMET C/1999 S4 (LINEAR)
    
    Observations:
        CJ99S040  C1999 09 27.39772 05 03 47.42 +34 16 45.3          17.3 N      704
        CJ99S040  C1999 09 27.41153 05 03 46.99 +34 16 49.5          17.5 N      704
        CJ99S040  C1999 09 27.42543 05 03 46.59 +34 16 54.1          17.3 N      704
        CJ99S040  C1999 09 27.43957 05 03 46.09 +34 16 57.7          17.6 N      704
        CJ99S040  C1999 09 27.45367 05 03 45.63 +34 17 01.4          17.4 N      704
        CJ99S040  C1999 09 28.39543 05 03 16.45 +34 21 21.8          17.5 N      704
        CJ99S040  C1999 09 28.40988 05 03 16.01 +34 21 25.3          17.6 N      704
        CJ99S040  C1999 09 28.42445 05 03 15.59 +34 21 29.9          17.5 N      704
        CJ99S040  C1999 09 28.43910 05 03 15.04 +34 21 33.5          17.9 N      704
        CJ99S040  C1999 09 28.45376 05 03 14.56 +34 21 38.5          17.5 N      704
        CJ99S040  C1999 10 01.38644 05 01 33.33 +34 35 10.2                      704
        CJ99S040  C1999 10 01.39180 05 01 33.02 +34 35 11.1                      704
        CJ99S040  C1999 10 01.39715 05 01 32.84 +34 35 13.0                      704
        CJ99S040 SC1999 10 01.40417 05 01 32.72 +34 35 18.3          17.5 T      850
        CJ99S040 SC1999 10 01.43142 05 01 31.64 +34 35 25.1          16.3 T      850
        CJ99S040  C1999 10 01.89332 05 01 14.52 +34 37 33.6          16.2 T      046
        CJ99S040  C1999 10 01.89456 05 01 14.46 +34 37 34.5                      046
        CJ99S040  C1999 10 01.89566 05 01 14.39 +34 37 34.7                      046
        CJ99S040  C1999 10 01.89677 05 01 14.39 +34 37 35.0                      046
        CJ99S040  C1999 10 01.89821 05 01 14.32 +34 37 34.7                      046
        CJ99S040  C1999 10 01.89939 05 01 14.27 +34 37 35.6                      046
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy.  0.57-m f/5.2 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, M. Elowitz.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m
        f/2.15 reflector + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig.  0.3-m f/7
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        C/1999 S4 (LINEAR)
    T 2000 July 18.288 TT                                   Marsden
    q   0.71953              (2000.0)            P               Q
                       Peri.  152.651       +0.292671       -0.816497
                       Node    83.387       -0.943069       -0.160473
    e   1.0            Incl.  149.934       -0.158001       -0.554600
    From 18 observations 1999 Sept. 27-Oct. 1.
    
    Ephemeris:
        C/1999 S4 (LINEAR)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    1999 09 29    05 02.95   +34 24.1    3.851    4.254   107.0    13.0  16.2
    1999 10 04    04 59.84   +34 47.4    3.716    4.200   112.4    12.7  16.1
    1999 10 09    04 55.95   +35 10.8    3.584    4.146   117.9    12.3  15.9
    1999 10 14    04 51.21   +35 33.9    3.455    4.092   123.5    11.7  15.8
    1999 10 19    04 45.56   +35 56.1    3.332    4.037   129.2    11.0  15.7
    1999 10 24    04 38.96   +36 16.8    3.215    3.982   135.1    10.2  15.5
    1999 10 29    04 31.38   +36 35.3    3.105    3.926   141.0     9.2  15.4
    1999 11 03    04 22.82   +36 50.4    3.002    3.871   146.8     8.1  15.3
    1999 11 08    04 13.28   +37 01.3    2.909    3.815   152.4     6.9  15.1
    1999 11 13    04 02.86   +37 06.7    2.825    3.759   157.5     5.8  15.0
    1999 11 18    03 51.66   +37 05.7    2.751    3.702   161.4     4.9  14.9
    1999 11 23    03 39.87   +36 57.5    2.689    3.645   163.0     4.5  14.8
    1999 11 28    03 27.67   +36 41.6    2.638    3.588   161.6     5.0  14.7
    1999 12 03    03 15.30   +36 17.8    2.599    3.530   157.6     6.1  14.6
    1999 12 08    03 03.01   +35 46.4    2.571    3.472   152.1     7.6  14.5
    1999 12 13    02 51.06   +35 08.2    2.554    3.414   145.8     9.3  14.4
    1999 12 18    02 39.64   +34 24.4    2.548    3.355   139.2    11.1  14.3
    1999 12 23    02 28.95   +33 36.5    2.552    3.296   132.4    12.7  14.2
    1999 12 28    02 19.11   +32 46.1    2.564    3.237   125.6    14.3  14.1
    2000 01 02    02 10.19   +31 54.5    2.583    3.177   118.9    15.7  14.1
    2000 01 07    02 02.25   +31 03.3    2.609    3.117   112.2    17.0  14.0
    2000 01 12    01 55.28   +30 13.7    2.639    3.056   105.7    18.0  14.0
    2000 01 17    01 49.27   +29 26.7    2.673    2.995    99.4    18.9  13.9
    2000 01 22    01 44.15   +28 43.1    2.709    2.934    93.2    19.6  13.8
    2000 01 27    01 39.89   +28 03.3    2.745    2.872    87.2    20.0  13.8
    2000 02 01    01 36.41   +27 27.6    2.782    2.809    81.4    20.3  13.7
    2000 02 06    01 33.65   +26 56.2    2.817    2.747    75.8    20.4  13.6
    2000 02 11    01 31.55   +26 29.2    2.850    2.683    70.3    20.3  13.6
    2000 02 16    01 30.04   +26 06.6    2.879    2.619    65.0    20.0  13.5
    2000 02 21    01 29.06   +25 48.1    2.905    2.555    59.8    19.5  13.4
    2000 02 26    01 28.55   +25 33.7    2.926    2.490    54.8    19.0  13.3
    2000 03 02    01 28.46   +25 23.2    2.941    2.425    50.0    18.2  13.2
    2000 03 07    01 28.76   +25 16.5    2.950    2.359    45.2    17.4  13.1
    2000 03 12    01 29.39   +25 13.2    2.953    2.293    40.7    16.4  13.0
    2000 03 17    01 30.32   +25 13.3    2.949    2.226    36.3    15.3  12.8
    
    Brian G. Marsden             (C) Copyright 1999 MPC           M.P.E.C. 1999-T02
    

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