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  • MPEC 2013-N51 : COMET C/2013 N4 (BORISOV)

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    M.P.E.C. 2013-N51                                Issued 2013 July 13, 18:29 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                               COMET C/2013 N4 (BORISOV)
    
    Observations:
        CK13N040 4C2013 07 08.98688 05 36 12.45 +45 34 24.4          16.8 TiEN051095
        CK13N040 4C2013 07 08.99692 05 36 16.10 +45 34 23.0          16.8 TiEN051095
        CK13N040 4C2013 07 09.00769 05 36 19.67 +45 34 21.3          16.8 TiEN051095
        CK13N040 4C2013 07 09.99716 05 41 37.69 +45 29 13.1          16.8 TiEN051095
        CK13N040 4C2013 07 10.00148 05 41 38.80 +45 29 14.0          16.8 TiEN051095
        CK13N040 4C2013 07 10.00503 05 41 40.21 +45 29 15.1          16.8 TiEN051095
        CK13N040 4C2013 07 10.00838 05 41 41.49 +45 29 11.0          16.8 TiEN051095
        CK13N040 4C2013 07 10.01759 05 41 44.40 +45 29 08.7          16.8 TiEN051095
        CK13N040 4C2013 07 10.02778 05 41 47.66 +45 29 05.9          16.8 TiEN051095
        CK13N040 5C2013 07 10.99164 05 46 57.30 +45 23 15.6                wEN051095
        CK13N040 5C2013 07 10.99530 05 46 58.63 +45 23 13.9                wEN051095
        CK13N040 4C2013 07 11.01380 05 47 04.47 +45 23 07.2                wEN051095
        CK13N040 4C2013 07 11.01848 05 47 05.96 +45 23 05.4                wEN051095
        CK13N040 4C2013 07 11.02316 05 47 07.41 +45 23 03.5          13.5 TwEN051095
        CK13N040 4C2013 07 11.02784 05 47 09.05 +45 23 01.7                wEN051095
        CK13N040 4C2013 07 11.03253 05 47 10.58 +45 22 59.7                wEN051095
        CK13N040  C2013 07 11.99110 05 52 18.76 +45 16 21.9          14.2 TuEN051D00
        CK13N040  C2013 07 11.99182 05 52 18.97 +45 16 21.0          14.1 TuEN051D00
        CK13N040  C2013 07 11.99397 05 52 19.62 +45 16 20.1          14.2 TuEN051D00
        CK13N040  C2013 07 11.99612 05 52 20.37 +45 16 19.6          14.2 TuEN051D00
        CK13N040 5C2013 07 12.00561 05 52 23.22 +45 16 14.4                wEN051095
        CK13N040 5C2013 07 12.01086 05 52 25.09 +45 16 12.2                wEN051095
        CK13N040 5C2013 07 12.01738 05 52 27.06 +45 16 10.1                wEN051095
        CK13N040 5C2013 07 12.02524 05 52 29.61 +45 16 06.5                wEN051095
        CK13N040 KC2013 07 12.05095 05 52 37.75 +45 15 54.4          16.2 TqEN051J95
        CK13N040 KC2013 07 12.05973 05 52 40.56 +45 15 50.4          16.5 TqEN051J95
        CK13N040 KC2013 07 12.06550 05 52 42.46 +45 15 47.8          15.9 TuEN051B04
        CK13N040 KC2013 07 12.06783 05 52 43.22 +45 15 47.5          15.8 TuEN051B04
        CK13N040 KC2013 07 12.06947 05 52 43.72 +45 15 45.8          15.2 TqEN051J95
        CK13N040 KC2013 07 12.07117 05 52 44.32 +45 15 45.5          16.1 TuEN051B04
        CK13N040 KC2013 07 12.07551 05 52 45.75 +45 15 42.6          15.8 TuEN051B04
        CK13N040 KC2013 07 12.07955 05 52 46.98 +45 15 41.6          16.1 TqEN051J95
        CK13N040 KC2013 07 12.08906 05 52 50.03 +45 15 37.3                qEN051J95
        CK13N040 |C2013 07 12.44285 05 54 43.69 +45 12 58.3                cEN051H06
        CK13N040 |C2013 07 12.44460 05 54 44.28 +45 12 57.1                cEN051H06
        CK13N040 |C2013 07 12.44635 05 54 44.96 +45 12 55.8                cEN051H06
        CK13N040 |C2013 07 12.45560 05 54 47.98 +45 12 51.3          12.9 TcEN051H06
        CK13N040  C2013 07 12.98351 05 57 37.37 +45 08 37.3          16.3 TuEN051A50
        CK13N040  C2013 07 12.98626 05 57 38.26 +45 08 36.0                uEN051A50
        CK13N040  C2013 07 13.00791 05 57 45.10 +45 08 25.9                uEN051A50
        CK13N040  C2013 07 13.01027 05 57 45.88 +45 08 24.0                uEN051A50
        CK13N040  C2013 07 13.01681 05 57 48.03 +45 08 20.3                uEN051A50
        CK13N040 KC2013 07 13.02939705 57 51.84 +45 08 14.1          15.4 TuEN051510
        CK13N040 KC2013 07 13.04118505 57 55.68 +45 08 08.8          15.7 TuEN051510
        CK13N040 KC2013 07 13.05297305 57 59.38 +45 08 02.4          15.8 TuEN051510
        CK13N040 KC2013 07 13.06476605 58 03.27 +45 07 56.5          15.7 TuEN051510
    
    Observer details:
    095 Crimea-Nauchnij.  Observers G. Borisov, I. Ionov, O. Bryzgalov.  Measurers
        G. Borisov, A. Novichonok.  0.2-m f/1.5 astrograph + CCD, 0.25-m f/4.5
        reflector + CCD, 0.32-m f/4.3 reflector + CCD.
    510 Siegen.  Observer H. Bill.  0.43-m f/4.5 reflector + CCD.
    A50 Andrushivka Astronomical Observatory.  Observer P. Kyrylenko.  Measurer
        Y. Ivashchenko.  0.59-m reflector + CCD.
    B04 OAVdA, Saint-Barthelemy.  Observers A. Carbognani, G. Petrillo.  0.81-m
        f/7.9 reflector + CCD.
    D00 ISON-Kislovodsk Observatory.  Observers E. Romas, V. Nevski, O. Zelyoniy,
        A. Porfir'ev.  Measurer E. Romas.  0.25-m f/2.5 reflector + CCD.
    H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.51-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        C/2013 N4 (Borisov)
    T 2013 Aug. 20.13153 TT                                 MPC
    q   1.2255238            (2000.0)            P               Q
                       Peri.  140.82818     -0.30897329     -0.87792119
                       Node   322.56754     +0.64867165     +0.08673051
    e   1.0            Incl.   36.99697     +0.69552901     -0.47088449
    From 39 observations 2013 July 8-13.
    
    Ephemeris:
        C/2013 N4 (Borisov)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2013 06 13    03 26 38.9 +43 19 38   2.3758  1.6020    31.6    19.4  15.9
    ...
    2013 06 28    04 38 17.0 +45 35 39   2.2393  1.4701    31.4    21.1  15.4
    ...
    2013 07 06    05 20 13.9 +45 44 43   2.1825  1.4078    30.7    21.6  15.2
    ...
    2013 07 12    05 52 21.0 +45 16 21   2.1479  1.3656    30.0    21.9  15.0
    2013 07 13    05 57 42.0 +45 08 33   2.1428  1.3590    29.9    21.9  15.0
    2013 07 14    06 03 02.4 +44 59 53   2.1379  1.3525    29.7    21.9  15.0
    ...
    2013 07 20    06 34 41.1 +43 49 29   2.1125  1.3165    28.8    21.8  14.8
    ...
    2013 07 28    07 15 03.2 +41 28 58   2.0895  1.2768    27.4    21.5  14.7
    ...
    2013 08 12    08 22 13.9 +35 07 34   2.0768  1.2320    24.8    20.2  14.5
    
    Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-N51
    

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