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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-R24 : COMET P/2004 R1 (McNAUGHT)

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M.P.E.C. 2004-R24                                Issued 2004 Sept. 6, 16:39 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 P/2004 R1 (McNAUGHT)

Observations:
    PK04R010  C2004 09 02.42449 15 06 39.13 -16 52 53.6          17.6 T ER024E12
    PK04R010  C2004 09 02.43392 15 06 42.02 -16 52 58.7          17.5 T ER024E12
    PK04R010  C2004 09 02.44340 15 06 44.90 -16 53 04.8          17.4 T ER024E12
    PK04R010  C2004 09 02.45293 15 06 47.63 -16 53 09.9          18.3 T ER024E12
    PK04R010  C2004 09 04.36913 15 16 28.16 -17 11 24.4          19.1 T ER024413
    PK04R010  C2004 09 04.37098 15 16 28.75 -17 11 24.9          19.1 T ER024413
    PK04R010  C2004 09 04.37284 15 16 29.20 -17 11 25.8          19.4 T ER024413
    PK04R010  C2004 09 04.42519 15 16 45.15 -17 11 54.0          19.2 T ER024413
    PK04R010  C2004 09 05.39975 15 21 47.39 -17 20 38.4          20.0 T ER024413
    PK04R010  C2004 09 05.40989 15 21 50.55 -17 20 43.1          19.4 T ER024413
    PK04R010  C2004 09 06.12870 15 25 36.56 -17 27 10.1          19.0 T ER024673
    PK04R010  C2004 09 06.13264 15 25 37.78 -17 27 12.2                 ER024673
    PK04R010  C2004 09 06.13704 15 25 39.00 -17 27 13.8                 ER024673
    PK04R010  C2004 09 06.14259 15 25 40.86 -17 27 16.3                 ER024673
    PK04R010  C2004 09 06.14988 15 25 43.12 -17 27 19.8                 ER024673
    PK04R010  C2004 09 06.15903 15 25 45.99 -17 27 24.6                 ER024673
    PK04R010  C2004 09 06.38422 15 26 57.50 -17 29 04.4          19.1 T ER024E14
    PK04R010  C2004 09 06.38998 15 26 59.18 -17 29 08.3          18.3 T ER024E14
    PK04R010  C2004 09 06.41909 15 27 08.37 -17 29 21.6          19.1 T ER024E14
    PK04R010  C2004 09 06.42605 15 27 10.53 -17 29 24.9          19.2 T ER024E14
    PK04R010  C2004 09 06.47088 15 27 24.63 -17 29 47.2          19.3 T ER024413
    PK04R010  C2004 09 06.48616 15 27 29.46 -17 29 54.5          19.7 T ER024413

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
E12 Siding Spring Survey.  Observers R. H. McNaught, G. J. Garradd, S. Larson,
    E. Beshore, E. Christensen, R. Hill.  Measurer R. H. McNaught.  0.5-m
    Uppsala Schmidt + CCD.
E14 Hunters Hill Observatory, Ngunnawal.  Observer D. Higgins.
    0.36-m f/2.95 Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2004 R1 (McNaught)
T 2004 Aug. 30.185 TT                                   MPC
q   0.98775              (2000.0)            P               Q
n   0.182610       Peri.    0.573       +0.449349       +0.890093
a   3.07694        Node   296.131       -0.819976       +0.377038
e   0.67898        Incl.    4.875       -0.354577       +0.256081
P   5.40
From 22 observations 2004 Sept. 2-6.

Ephemeris:
    P/2004 R1 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 09 02    15 04.56   -16 48.8    0.675    0.989    68.6    71.9  17.6
2004 09 12    15 57.92   -18 08.9    0.628    1.004    71.6    72.0  17.5
2004 09 22    16 58.77   -18 32.4    0.599    1.039    76.2    69.7  17.6
2004 10 02    18 04.13   -17 38.1    0.595    1.090    82.0    65.3  17.7
2004 10 12    19 08.65   -15 26.9    0.621    1.155    87.7    59.7  18.1
2004 10 22    20 07.39   -12 25.8    0.679    1.228    92.4    54.0  18.6

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-R24

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