• Processing (Info)

    • MPEC 2006-X71 : COMET P/2006 W4 (HILL)

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2006-X70 Read MPEC 2006-X72 

    M.P.E.C. 2006-X71                                Issued 2006 Dec. 15, 21:47 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                            COMET P/2006 W4 (HILL)

Observations:
    PK06W040  C2006 12 01.17824 03 07 26.11 +25 32 46.6          19.5 T EX071673
    PK06W040  C2006 12 01.18356 03 07 25.94 +25 32 43.8                 EX071673
    PK06W040  C2006 12 01.19074 03 07 25.79 +25 32 41.2                 EX071673
    PK06W040  C2006 12 01.19479 03 07 25.61 +25 32 40.0                 EX071673
    PK06W040  C2006 12 14.23815 03 01 44.54 +24 17 33.7          19.5 T EX071703
    PK06W040  C2006 12 14.24407 03 01 44.43 +24 17 30.7          19.4 T EX071703
    PK06W040  C2006 12 14.24996 03 01 44.22 +24 17 28.8          20.0 T EX071703
    PK06W040  C2006 12 14.25587 03 01 44.00 +24 17 27.5          19.1 T EX071703
    PK06W040  C2006 12 15.83759 03 01 09.22 +24 08 29.4                 EX071246
    PK06W040  C2006 12 15.84020 03 01 09.21 +24 08 29.2                 EX071246
    PK06W040  C2006 12 15.84095 03 01 09.17 +24 08 28.6                 EX071246
    PK06W040  C2006 12 15.84169 03 01 09.17 +24 08 28.5                 EX071246
    PK06W040  C2006 12 15.84369 03 01 09.09 +24 08 27.4                 EX071246

Observer details:
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.
703 Catalina Sky Survey.  Observer S. M. Larson.  Measurers E. C. Beshore,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson.  0.68-m Schmidt + CCD.

Orbital elements:
    P/2006 W4 (Hill)
T 2009 Jan. 24.3309 TT                                  MPC
q   4.443169             (2000.0)            P               Q
n   0.0598173      Peri.  249.8019      -0.5185274      -0.6705982
a   6.475175       Node   243.2352      +0.8165406      -0.5724649
e   0.313815       Incl.   36.4523      -0.2537534      -0.4717859
P  16.5
From 58 observations 2006 Nov. 19-Dec. 15.

Ephemeris:
    P/2006 W4 (Hill)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2006 12 11    03 03.01   +24 36.0    4.650    5.531   150.8     5.0  19.3
2006 12 21    02 59.45   +23 39.9    4.719    5.509   139.9     6.6  19.3
2006 12 31    02 57.06   +22 47.5    4.813    5.487   129.1     8.0  19.3
2007 01 10    02 55.95   +22 00.7    4.926    5.465   118.6     9.1  19.3
2007 01 20    02 56.15   +21 20.4    5.053    5.443   108.3     9.9  19.4
2007 01 30    02 57.67   +20 47.2    5.190    5.421    98.4    10.4  19.4
2007 02 09    03 00.41   +20 20.9    5.331    5.400    88.7    10.5  19.5
2007 02 19    03 04.28   +20 01.1    5.471    5.378    79.4    10.4  19.5
2007 03 01    03 09.18   +19 47.0    5.607    5.357    70.4    10.0  19.5

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2006 MPC           M.P.E.C. 2006-X71

    Read MPEC 2006-X70 Read MPEC 2006-X72

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)