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Minor Planet Center

MPEC 2009-L16 : COMET C/2009 K4 (GIBBS)

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M.P.E.C. 2009-L16                                Issued 2009 June 3, 16:47 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://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                            COMET C/2009 K4 (GIBBS)

Observations:
    CK09K040  C2009 05 28.84550 08 04 44.47 +45 27 46.5          17.7 N EL016235
    CK09K040  C2009 05 28.85243 08 04 46.13 +45 27 37.6          17.7 N EL016235
    CK09K040  C2009 05 28.89853 08 04 57.85 +45 26 40.9                 EL016J95
    CK09K040  C2009 05 28.90577 08 04 59.49 +45 26 32.1          17.6 N EL016J95
    CK09K040  C2009 05 29.13926 08 05 57.24 +45 21 40.1                 EL016H26
    CK09K040  C2009 05 29.14589 08 05 58.88 +45 21 33.0                 EL016H26
    CK09K040  C2009 05 29.14755 08 05 59.47 +45 21 32.3                 EL016H26
    CK09K040  C2009 05 29.90428 08 09 05.08 +45 05 35.0                 EL016J95
    CK09K040  C2009 05 29.90511 08 09 05.12 +45 05 35.0          18.3 N EL016A77
    CK09K040  C2009 05 29.90975 08 09 06.40 +45 05 25.8          18.3 N EL016A77
    CK09K040  C2009 05 29.91150 08 09 06.75 +45 05 26.6          18.8 N EL016J95
    CK09K040  C2009 05 29.91440 08 09 07.32 +45 05 22.7          18.2 N EL016A77
    CK09K040  C2009 05 31.89230 08 17 09.16 +44 22 27.9          17.5 N EL016J47
    CK09K040  C2009 05 31.89609 08 17 10.22 +44 22 21.6          17.5 N EL016J47
    CK09K040  C2009 05 31.89866 08 17 10.86 +44 22 17.7          18.3 N EL016J08
    CK09K040  C2009 05 31.90356 08 17 11.92 +44 22 12.0          17.7 N EL016J47
    CK09K040  C2009 06 02.92445 08 25 17.73 +43 36 16.9          17.7 T EL016215
    CK09K040  C2009 06 02.92606 08 25 18.15 +43 36 14.7          17.4 T EL016215
    CK09K040  C2009 06 02.92763 08 25 18.49 +43 36 13.0          17.8 T EL016215
    CK09K040  C2009 06 03.17509 08 26 17.37 +43 30 30.2          16.9 T EL016G96
    CK09K040  C2009 06 03.18016 08 26 18.52 +43 30 22.5          17.0 T EL016G96
    CK09K040  C2009 06 03.18510 08 26 19.71 +43 30 15.5          16.9 T EL016G96
    CK09K040  C2009 06 03.19009 08 26 20.86 +43 30 08.9          16.9 T EL016G96

Observer details:
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
235 CAST Observatory, Talmassons.  Observer R. Ligustri.  0.35-m f/6 reflector
    + CCD.
A77 Observatoire Chante-Perdrix, Dauban.  Observers C. Rinner, F. Kugel.
    Measurer F. Kugel.  0.5-m f/3 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  1.5-m reflector + CCD.
H26 Doc Greiner Research Observatory, Janesville.  Observer M. Mills.  0.4-m
    f/8 Schmidt-Cassegrain + CCD.
J08 Observatorio Zonalunar, Puzol.  Observer A. Carreno.  Measurer J. Piqueras.
    0.20-m f/5 Newtonian reflector + CCD.
J47 Observatorio Nazaret.  Observer G. Muler.  0.30-m Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2009 K4 (Gibbs)
T 2009 June 19.026 TT                                   MPC
q   1.55793              (2000.0)            P               Q
                   Peri.  127.240       -0.850470       -0.442402
                   Node    29.904       +0.062327       -0.621927
e   1.0            Incl.   34.807       +0.522318       -0.646132
From 60 observations 2009 May 27-June 3.

Ephemeris:
    C/2009 K4 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 05 29    08 05.38   +45 24.6    2.017    1.585    50.8    29.7  16.5
2009 06 08    08 45.09   +41 32.9    2.024    1.565    49.4    29.5  16.5
2009 06 18    09 21.71   +36 59.5    2.045    1.558    47.9    28.9  16.5
2009 06 28    09 55.10   +31 55.8    2.080    1.563    46.4    28.1  16.5
2009 07 08    10 25.49   +26 34.4    2.132    1.580    44.7    26.9  16.6
2009 07 18    10 53.26   +21 06.4    2.199    1.608    42.7    25.4  16.8
2009 07 28    11 18.88   +15 41.5    2.281    1.647    40.5    23.6  17.0

     Further observations of comet C/2009 K3 are desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-L16

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