MPEC 2007-Q05 : COMET C/2006 S5 (HILL)

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M.P.E.C. 2007-Q05                                Issued 2007 Aug. 18, 18:19 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/2006 S5 (HILL)

Observations:
    CK06S050  C2007 08 05.11321 05 21 49.93 +28 10 47.6          17.9 N EQ005147
    CK06S050  C2007 08 05.11754 05 21 50.38 +28 10 47.4          18.0 N EQ005147
    CK06S050  C2007 08 05.12226 05 21 50.91 +28 10 47.1                 EQ005147
    CK06S050  C2007 08 12.74074 05 35 48.22 +28 11 51.4                 EQ005349
    CK06S050  C2007 08 12.74297 05 35 48.47 +28 11 51.5          16.0 T EQ005349
    CK06S050  C2007 08 13.01851 05 36 18.87 +28 11 43.0          15.9 T EQ005215
    CK06S050  C2007 08 13.14660 05 36 32.65 +28 11 45.3                 EQ005J95
    CK06S050  C2007 08 13.14766 05 36 32.70 +28 11 45.5                 EQ005J95
    CK06S050  C2007 08 13.14845 05 36 32.78 +28 11 45.0          17.2 N EQ005J95

Observer details:
147 Osservatorio Astronomico di Suno.  Observers C. Cremaschini, D. Crespi,
    S. Foglia, G. Galli, S. Minuto.  0.40-m f/4 reflector + CCD.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2006 S5 (Hill)
Epoch 2007 Dec. 6.0 TT = JDT 2454440.5
T 2007 Dec.  9.74919 TT                                 MPC
q   2.6304239            (2000.0)            P               Q
z  +0.0102607      Peri.  182.10927     -0.23580579     -0.95639719
 +/-0.0000081      Node   281.56301     +0.89416481     -0.14407332
e   0.9730100      Incl.   10.13145     +0.38061126     -0.25406158
From 191 observations 2006 Sept. 14-2007 Aug. 13, mean residual 0".60.

     The "original" and "future" barycentric values of 1/a are +0.010056
and +0.010546 (+/- 0.000008) AU^-1, respectively.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-Q05

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