• MPC Preparation (Info)

    • MPEC 2009-S85 : COMET C/2009 R1 (McNAUGHT)

    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 2009-S84 Read MPEC 2009-S86 

    M.P.E.C. 2009-S85                                Issued 2009 Sept. 24, 15:35 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 R1 (McNAUGHT)

Observations:
    CK09R010  C2009 09 13.63604 21 14 56.55 -33 43 37.6                 ES085D25
    CK09R010  C2009 09 13.63937 21 14 56.34 -33 43 37.0                 ES085D25
    CK09R010  C2009 09 13.64270 21 14 56.10 -33 43 36.3                 ES085D25
    CK09R010  C2009 09 19.49154 21 08 41.10 -33 33 04.9          16.9 T ES085D90
    CK09R010  C2009 09 19.49435 21 08 40.91 -33 33 04.5                 ES085D90
    CK09R010  C2009 09 19.49856 21 08 40.67 -33 33 04.0                 ES085D90
    CK09R010  C2009 09 19.86809 21 08 17.94 -33 32 16.8          17.4 N ES085204
    CK09R010  C2009 09 19.87393 21 08 17.62 -33 32 15.7                 ES085204
    CK09R010  C2009 09 20.04471 21 08 07.23 -33 31 49.5                 ES085I21
    CK09R010  C2009 09 20.07727 21 08 05.12 -33 31 45.5                 ES085I21
    CK09R010  C2009 09 20.50975 21 07 38.60 -33 30 39.6                 ES085900
    CK09R010  C2009 09 20.51690 21 07 38.50 -33 30 41.3          16.6 N ES085900
    CK09R010   2009 09 20.52691 21 07 37.76 -33 30 45.7          18.0 N ES085372
    CK09R010  C2009 09 21.13312 21 07 01.28 -33 29 16.4                 ES085H10
    CK09R010  C2009 09 21.13654 21 07 01.11 -33 29 15.7          16.9 T ES085H10
    CK09R010  C2009 09 21.81212 21 06 20.93 -33 27 33.4          16.6 T ES085585
    CK09R010  C2009 09 21.81403 21 06 20.69 -33 27 32.9          16.5 T ES085585
    CK09R010  C2009 09 21.82149 21 06 20.37 -33 27 32.0          16.5 T ES085585
    CK09R010  C2009 09 21.82589 21 06 20.00 -33 27 31.4          16.4 T ES085585
    CK09R010  C2009 09 23.04203 21 05 08.30 -33 24 19.1          17.4 N ES085I21
    CK09R010  C2009 09 23.07990 21 05 06.12 -33 24 13.1                 ES085I21

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
585 Kiev comet station.  Observer A. Baransky.  0.7-m f/4 reflector + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
D25 Tzec Maun Observatory, Pingelly.  Observer D. Chestnov.  0.15-m f/7.3
    refractor + CCD.
D90 RAS Observatory, Moorook.  Observer H. Sato.  0.30-m f/9.5
    Ritchey-Chretien + CCD.
H10 Tzec Maun Observatory, Mayhill.  Observer D. Chestnov.  0.41-m f/9
    Ritchey-Chretien + CCD.
I21 El Condor Observatory, Cordoba.  Observer W. Robledo.  Measurer
    C. Montivero.  0.20-m f/3.9 Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2009 R1 (McNaught)
T 2010 July 2.0338 TT                                   MPC
q   0.401355             (2000.0)            P               Q
                   Peri.  130.8565      -0.4146774      -0.6938116
                   Node   322.7529      +0.1985730      +0.5624501
e   1.0            Incl.   76.6038      +0.8880380      -0.4497503
From 71 observations 2009 July 20-Sept. 23.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-S85

    Read MPEC 2009-S84 Read MPEC 2009-S86

    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)