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  • MPEC 2003-A42 : COMET C/2002 Y1 (JUELS-HOLVORCEM)

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    M.P.E.C. 2003-A42                                Issued 2003 Jan. 6, 18:27 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                           COMET C/2002 Y1 (JUELS-HOLVORCEM)
    
    Observations:
        CK02Y010  C2002 12 30.79801 13 28 36.37 +17 45 58.2                      355
        CK02Y010  C2002 12 30.80617 13 28 37.29 +17 46 10.0          15.2 T      355
        CK02Y010  C2002 12 31.47737 13 29 58.14 +18 03 14.1          16.3 N      734
        CK02Y010  C2002 12 31.48189 13 29 58.69 +18 03 21.2          16.5 N      734
        CK02Y010  C2002 12 31.48628 13 29 59.22 +18 03 27.9          16.7 N      734
        CK02Y010  C2002 12 31.49233 13 29 59.93 +18 03 37.0          16.2 N      734
        CK02Y010  C2002 12 31.75722 13 30 32.26 +18 10 28.7                      340
        CK02Y010  C2002 12 31.75794 13 30 32.31 +18 10 29.8          14.0 T      340
        CK02Y010  C2003 01 01.13903 13 31 19.00 +18 20 27.8          16.1 N      213
        CK02Y010  C2003 01 01.14022 13 31 19.12 +18 20 31.8          16.1 N      213
        CK02Y010  C2003 01 01.14299 13 31 19.40 +18 20 35.7          16.2 N      213
        CK02Y010  C2003 01 01.49351 13 32 02.60 +18 29 55.3          16.0 T      678
        CK02Y010  C2003 01 01.50009 13 32 03.40 +18 30 05.6          16.0 T      678
        CK02Y010  C2003 01 01.50226 13 32 03.69 +18 30 09.3          16.0 T      678
        CK02Y010  C2003 01 01.50444 13 32 03.95 +18 30 12.7          16.0 T      678
        CK02Y010  C2003 01 01.50877 13 32 04.48 +18 30 19.8          16.0 T      678
        CK02Y010  C2003 01 02.48110 13 34 06.19 +18 56 50.7          16.3 T      678
        CK02Y010  C2003 01 02.48330 13 34 06.46 +18 56 54.4          16.2 T      678
        CK02Y010  C2003 01 02.48881 13 34 07.13 +18 57 03.7          16.2 T      678
        CK02Y010  C2003 01 02.49324 13 34 07.69 +18 57 11.1          16.2 T      678
        CK02Y010  C2003 01 02.49544 13 34 07.98 +18 57 14.5          16.2 T      678
        CK02Y010  C2003 01 02.70670 13 34 34.87 +19 03 08.6                      349
        CK02Y010  C2003 01 02.70870 13 34 35.13 +19 03 11.8                      349
        CK02Y010  C2003 01 02.72771 13 34 37.54 +19 03 44.5                      349
        CK02Y010  C2003 01 02.73731 13 34 38.75 +19 04 00.4                      349
        CK02Y010  C2003 01 02.74546 13 34 39.79 +19 04 13.9          14.7 T      349
        CK02Y010  C2003 01 03.09377 13 35 24.25 +19 14 04.1          15.2 T      J95
        CK02Y010  C2003 01 03.09685 13 35 24.62 +19 14 09.2          15.4 T      J95
        CK02Y010  C2003 01 03.10226 13 35 25.32 +19 14 18.9          15.2 T      J95
        CK02Y010  C2003 01 03.43578 13 36 08.22 +19 23 53.8          14.8 T      H43
        CK02Y010  C2003 01 03.45219 13 36 10.20 +19 24 21.6          15.0 T      H43
        CK02Y010  C2003 01 03.81936 13 36 57.99 +19 35 01.2                      349
        CK02Y010  C2003 01 03.82050 13 36 58.10 +19 35 03.2                      349
        CK02Y010  C2003 01 03.82319 13 36 58.48 +19 35 08.2                      349
        CK02Y010  C2003 01 03.82633 13 36 58.87 +19 35 13.7                      349
        CK02Y010  C2003 01 03.83012 13 36 59.35 +19 35 20.3          14.1 T      349
        CK02Y010  C2003 01 04.15071 13 37 41.32 +19 44 45.6          15.7 T      232
        CK02Y010  C2003 01 04.15643 13 37 42.12 +19 44 56.6          15.7 T      232
        CK02Y010  C2003 01 04.16099 13 37 42.69 +19 45 03.5          15.7 T      232
        CK02Y010  C2003 01 04.41361 13 38 15.95 +19 52 36.1          14.3 T      H43
        CK02Y010  C2003 01 04.42300 13 38 17.14 +19 52 52.9          14.3 T      H43
        CK02Y010  C2003 01 04.67011 13 38 49.99 +20 00 16.2                      411
        CK02Y010  C2003 01 04.67219 13 38 50.30 +20 00 20.2          14.7 T      340
        CK02Y010  C2003 01 04.67403 13 38 50.50 +20 00 25.5          14.7 T      340
        CK02Y010  C2003 01 04.67564 13 38 50.76 +20 00 26.3                      411
        CK02Y010  C2003 01 04.67619 13 38 50.81 +20 00 28.5          14.8 T      340
        CK02Y010  C2003 01 04.68304 13 38 51.70 +20 00 40.5                      411
        CK02Y010  C2003 01 04.69767 13 38 53.58 +20 01 06.6          14.6 T      348
        CK02Y010  C2003 01 04.70150 13 38 54.05 +20 01 13.9                      348
        CK02Y010  C2003 01 04.75981 13 39 01.93 +20 03 00.6                      340
        CK02Y010  C2003 01 04.76088 13 39 02.04 +20 03 02.6                      349
        CK02Y010  C2003 01 04.76252 13 39 02.27 +20 03 06.0                      340
        CK02Y010  C2003 01 04.76383 13 39 02.44 +20 03 08.3          14.2 T      340
        CK02Y010  C2003 01 04.76814 13 39 03.02 +20 03 16.1                      349
        CK02Y010  C2003 01 04.77057 13 39 03.32 +20 03 20.6                      349
        CK02Y010  C2003 01 04.77392 13 39 03.76 +20 03 26.7                      349
        CK02Y010  C2003 01 04.77641 13 39 04.06 +20 03 31.2          14.2 T      355
        CK02Y010  C2003 01 04.77844 13 39 04.35 +20 03 35.1                      355
        CK02Y010  C2003 01 04.77998 13 39 04.56 +20 03 37.8                      349
        CK02Y010  C2003 01 04.78074 13 39 04.64 +20 03 38.8                      355
        CK02Y010  C2003 01 04.78238 13 39 04.88 +20 03 42.2          14.0 T      349
        CK02Y010  C2003 01 05.41600 13 40 29.50 +20 23 09.5          13.8 T      H43
        CK02Y010  C2003 01 05.43260 13 40 32.30 +20 23 39.3          13.3 T      H43
        CK02Y010  C2003 01 05.43394 13 40 32.29 +20 23 41.2          13.5 T      H43
        CK02Y010  C2003 01 06.42719 13 42 48.62 +20 55 11.4          14.9 T      H43
        CK02Y010  C2003 01 06.44912 13 42 51.61 +20 55 52.8          14.4 T      H43
        CK02Y010  C2003 01 06.49398 13 42 57.90 +20 57 21.7          13.7 T      926
        CK02Y010  C2003 01 06.49580 13 42 58.15 +20 57 25.5          13.5 T      926
        CK02Y010  C2003 01 06.49706 13 42 58.31 +20 57 27.5          13.3 T      926
        CK02Y010  C2003 01 06.49833 13 42 58.50 +20 57 30.0          13.4 T      926
        CK02Y010  C2003 01 06.49950 13 42 58.67 +20 57 32.4          13.2 T      926
        CK02Y010  C2003 01 06.50069 13 42 58.82 +20 57 34.9          13.2 T      926
    
    Observer details:
    213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
        f/5.5 Schmidt-Cassegrain + CCD.
    232 Masquefa Observatory.  Observer E. Reina.  0.25-m f/6.3 Schmidt-Cassegrain
        + CCD.
    340 Toyonaka.  Observer Y. Ezaki.  0.30-m f/6.0 reflector + CCD.
    348 Ayabe.  Observer N. Otuki.  0.28-m f/5.5 Schmidt-Cassegrain + CCD.
    349 Ageo.  Observer K. Kadota.  0.18-m f/5.5 reflector + CCD, 0.25-m f/5.0
        reflector + CCD.
    355 Hadano.  Observer A. Asami.  0.28-m f/5.0 reflector + CCD.
    411 Oizumi.  Observer T. Kobayashi.  0.41-m f/4.3 reflector + CCD.
    678 Fountain Hills.  Observers C. W. Juels, P. R. Holvorcem.  0.50-m f/4.8
        Newtonian + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.30-m Schmidt-Cassegrain + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    H43 Conway.  Observers P. C. Sherrod, B. M. Sherrod.  0.31-m f/3.75
        Schmidt-Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        C/2002 Y1 (Juels-Holvorcem)
    T 2003 Apr. 13.094 TT                                   MPC
    q   0.71407              (2000.0)            P               Q
                       Peri.  128.715       +0.651914       +0.722386
                       Node   166.262       -0.271147       -0.061900
    e   1.0            Incl.  103.851       +0.708158       -0.688713
    From 101 observations 2002 Dec. 29-2003 Jan. 6.
    
    Ephemeris:
        C/2002 Y1 (Juels-Holvorcem)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2003 01 01    13 31.03   +18 16.8    1.726    1.939    86.8    30.4  13.6
    2003 01 06    13 41.82   +20 41.5    1.588    1.869    90.1    31.7  13.2
    2003 01 11    13 54.06   +23 36.3    1.456    1.799    93.0    33.1  12.9
    2003 01 16    14 08.28   +27 06.8    1.330    1.728    95.5    34.5  12.5
    2003 01 21    14 25.29   +31 18.5    1.214    1.657    97.3    36.1  12.1
    2003 01 26    14 46.36   +36 14.9    1.110    1.586    98.2    37.9  11.7
    2003 01 31    15 13.42   +41 53.3    1.023    1.514    97.8    40.1  11.4
    2003 02 05    15 49.51   +47 58.5    0.955    1.442    95.9    42.8  11.0
    2003 02 10    16 38.75   +53 53.4    0.911    1.370    92.4    46.0  10.7
    2003 02 15    17 44.66   +58 34.4    0.892    1.298    87.2    49.5  10.4
    2003 02 20    19 04.01   +60 50.2    0.899    1.227    80.9    52.7  10.2
    
    Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-A42
    

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