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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-G23 : COMET C/2005 G1 (LINEAR)

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M.P.E.C. 2005-G23                                Issued 2005 Apr. 4, 17:05 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.

                  Supported in part by the Brinson Foundation
             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/2005 G1 (LINEAR)

Observations:
    CK05G010  C2005 03 22.46998 18 15 30.29 +43 47 41.8          19.2 N EG023704
    CK05G010  C2005 03 22.48079 18 15 30.12 +43 47 50.3          19.3 N EG023704
    CK05G010  C2005 03 22.49155 18 15 29.95 +43 48 00.1          19.4 N EG023704
    CK05G010  C2005 04 01.39390 18 12 30.94 +46 18 37.3          19.1 N EG023704
    CK05G010  C2005 04 01.40423 18 12 30.58 +46 18 45.4          19.2 N EG023704
    CK05G010  C2005 04 01.42491 18 12 30.11 +46 19 05.3          19.6 N EG023704
    CK05G010  C2005 04 01.43528 18 12 29.89 +46 19 15.2          19.4 N EG023704
    CK05G010  C2005 04 02.31817 18 12 07.55 +46 32 51.1          18.6 N EG023734
    CK05G010  C2005 04 02.32260 18 12 07.52 +46 32 54.1          18.8 N EG023734
    CK05G010  C2005 04 02.32704 18 12 07.33 +46 32 58.8          18.6 N EG023734
    CK05G010  C2005 04 02.48125 18 12 03.29 +46 35 22.5          19.5 N EG023673
    CK05G010  C2005 04 02.49410 18 12 02.90 +46 35 33.9                 EG023673
    CK05G010  C2005 04 02.50972 18 12 02.61 +46 35 49.1                 EG023673
    CK05G010  C2005 04 02.51840 18 12 02.29 +46 35 57.0                 EG023673
    CK05G010  C2005 04 03.00017 18 11 49.58 +46 43 21.4                 EG023J95
    CK05G010  C2005 04 03.00616 18 11 49.40 +46 43 27.4                 EG023J95
    CK05G010  C2005 04 03.01179 18 11 49.24 +46 43 32.5          18.8 N EG023J95
    CK05G010  C2005 04 03.07081 18 11 47.73 +46 44 27.4          19   N EG023461
    CK05G010  C2005 04 03.07302 18 11 47.62 +46 44 29.6                 EG023461
    CK05G010  C2005 04 03.07532 18 11 47.55 +46 44 31.9                 EG023461
    CK05G010  C2005 04 03.07753 18 11 47.48 +46 44 33.6                 EG023461
    CK05G010  C2005 04 03.33558 18 11 40.74 +46 48 30.1          18.4 N EG023H06
    CK05G010  C2005 04 03.34117 18 11 40.36 +46 48 37.7          19.1 N EG023734
    CK05G010  C2005 04 03.34592 18 11 40.31 +46 48 42.4          18.8 N EG023734
    CK05G010  C2005 04 03.34949 18 11 40.30 +46 48 45.2          18.5 N EG023734
    CK05G010  C2005 04 03.37337 18 11 39.62 +46 49 05.7          18.8 N EG023H06
    CK05G010  C2005 04 03.40597 18 11 38.27 +46 49 40.9          19.2 N EG023H06
    CK05G010  C2005 04 04.09708 18 11 19.25 +47 00 17.2          19.2 N EG023012
    CK05G010  C2005 04 04.11343 18 11 18.94 +47 00 33.8          19.4 N EG023012
    CK05G010  C2005 04 04.11648 18 11 18.74 +47 00 35.2          18.6 N EG023012
    CK05G010  C2005 04 04.12574 18 11 18.45 +47 00 45.0                 EG023118
    CK05G010  C2005 04 04.12807 18 11 18.41 +47 00 46.1                 EG023118
    CK05G010  C2005 04 04.13156 18 11 18.26 +47 00 50.0                 EG023118
    CK05G010  C2005 04 04.13389 18 11 18.38 +47 00 52.1                 EG023118
    CK05G010  C2005 04 04.13594 18 11 18.16 +47 00 52.8          18.8 N EG023012
    CK05G010  C2005 04 04.15538 18 11 17.66 +47 01 11.2          18.8 N EG023012
    CK05G010  C2005 04 04.25863 18 11 14.77 +47 02 46.4          19.4 N EG023651
    CK05G010  C2005 04 04.26190 18 11 14.64 +47 02 50.1          19.3 N EG023651
    CK05G010  C2005 04 04.26413 18 11 14.61 +47 02 52.3          19.3 N EG023651
    CK05G010  C2005 04 04.36668 18 11 11.60 +47 04 27.8          19.1 N EG023850
    CK05G010  C2005 04 04.37866 18 11 11.24 +47 04 37.8          19.3 N EG023850
    CK05G010  C2005 04 04.39075 18 11 10.83 +47 04 49.7          18.8 N EG023850
    CK05G010  C2005 04 04.40309 18 11 10.48 +47 05 01.6          19.2 N EG023850

Observer details:
012 Uccle.  Observer P. De Cat.  0.85-m f/2.5 Schmidt + CCD.
118 Modra.  Observer S. Gajdos.  0.6-m f/5.5 reflector + CCD.
461 Szeged University, Piszkesteto Stn. (Konkoly).  Observer K. Sarneczky.
    0.60-m Schmidt + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer D. Mayes.  0.6-m
    reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
734 Farpoint Observatory.  Observers G. Hug, D. Tibbets, D. Brunken,
    R. Clingan.  Measurers G. Hug, R. Trentman.  0.7-m reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/5.86
    Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory.  Observer J. Sue.  0.25-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2005 G1 (LINEAR)
T 2006 Feb. 28.488 TT                                   MPC
q   4.95320              (2000.0)            P               Q
                   Peri.  114.021       -0.452137       -0.339584
                   Node   299.619       -0.150921       +0.940483
e   1.0            Incl.  108.424       +0.879087       -0.013195
From 41 observations 2005 Mar. 22-Apr. 4.

Ephemeris:
    C/2005 G1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 03 31    18 13.06   +45 57.2    5.461    5.575    91.4    10.3  19.1
2005 04 10    18 08.09   +48 31.5    5.365    5.541    94.9    10.4  19.1
2005 04 20    18 00.49   +51 03.8    5.284    5.508    97.6    10.4  19.0
2005 04 30    17 49.94   +53 28.6    5.219    5.475    99.5    10.5  19.0
2005 05 10    17 36.23   +55 39.4    5.171    5.443   100.3    10.5  18.9
2005 05 20    17 19.43   +57 29.6    5.141    5.413   100.2    10.6  18.9
2005 05 30    17 00.03   +58 53.4    5.128    5.383    99.1    10.7  18.9

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-G23

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