• Processing (Info)

    • MPEC 2012-O16 : COMET P/2012 O1 (MCNAUGHT)

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    M.P.E.C. 2012-O16                                Issued 2012 July 21, 16:15 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                          COMET P/2012 O1 (MCNAUGHT)

Observations:
    PK12O010 QC2012 07 18.74126 00 57 37.31 -07 18 06.9          18.9 TrEO016E12
    PK12O010 QC2012 07 18.75644 00 57 39.58 -07 18 06.1          18.7 TrEO016E12
    PK12O010 QC2012 07 18.77165 00 57 41.93 -07 18 06.7          18.3 TrEO016E12
    PK12O010 QC2012 07 18.78683 00 57 44.23 -07 18 06.9          18.5 TrEO016E12
    PK12O010 FC2012 07 19.07386 00 58 28.96 -07 18 16.2                vEO016204
    PK12O010 KC2012 07 19.08360 00 58 30.50 -07 18 15.0          19.9 TvEO016204
    PK12O010 KC2012 07 19.16061 00 58 42.37 -07 18 12.2          19.8 TuEO016954
    PK12O010 KC2012 07 19.16719 00 58 43.49 -07 18 13.0          19.6 TuEO016954
    PK12O010 KC2012 07 19.17337 00 58 44.36 -07 18 13.1          19.7 TuEO016954
    PK12O010 KC2012 07 19.38438100 59 16.93 -07 18 13.6          20.7 TtEO016H21
    PK12O010 KC2012 07 19.38717800 59 17.40 -07 18 13.1          20.2 TtEO016H21
    PK12O010 KC2012 07 19.38988900 59 17.78 -07 18 12.5          20.2 TtEO016H21
    PK12O010 HC2012 07 19.46724 00 59 29.71 -07 18 11.9          20.5 ToEO016291
    PK12O010 HC2012 07 19.46813 00 59 29.87 -07 18 12.3          20.4 ToEO016291
    PK12O010 HC2012 07 19.46900 00 59 29.98 -07 18 11.9          20.4 ToEO016291
    PK12O010 QC2012 07 19.71447 01 00 07.97 -07 18 01.4          18.8 TrEO016E12
    PK12O010 QC2012 07 19.81452 01 00 23.03 -07 18 01.6          18.6 TrEO016E12
    PK12O010 dC2012 07 20.39502 01 01 52.45 -07 18 16.0          19.4 TuEO016H36
    PK12O010 dC2012 07 20.40415 01 01 53.86 -07 18 15.9          19.2 TuEO016H36
    PK12O010 KC2012 07 20.46127 01 02 02.60 -07 18 15.3          20.8 ToEO016291
    PK12O010 KC2012 07 20.46390 01 02 02.99 -07 18 15.3          20.3 ToEO016291
    PK12O010 KC2012 07 20.46652 01 02 03.39 -07 18 15.4          20.6 ToEO016291
    PK12O010 QC2012 07 20.72730 01 02 43.29 -07 18 08.3          18.4 TrEO016E12
    PK12O010 KC2012 07 21.35456101 04 18.94 -07 18 30.2          20.7 TtEO016H21
    PK12O010 KC2012 07 21.35805901 04 19.45 -07 18 29.6          20.9 TtEO016H21
    PK12O010 KC2012 07 21.36155901 04 19.97 -07 18 29.7          20.7 TtEO016H21
    PK12O010 KC2012 07 21.36490601 04 20.47 -07 18 30.1          20.3 TtEO016H21
    PK12O010 KC2012 07 21.41723 01 04 28.38 -07 18 30.9          19.6 TuEO016H36
    PK12O010 KC2012 07 21.42378 01 04 29.32 -07 18 30.6          19.3 TuEO016H36

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
954 Teide Observatory.  Observer N. D. Diaz.  0.26-m f/11.6 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Vorobjov, L. Buzzi, S. Foglia.  0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
    P/2012 O1 (McNaught)
T 2012 July 23.24917 TT                                 MPC
q   1.5228026            (2000.0)            P               Q
n   0.10905164     Peri.  221.28789     +0.88384920     +0.42819687
a   4.3389161      Node   112.43188     -0.35760046     +0.87802332
e   0.6490362      Incl.   11.75444     -0.30155018     +0.21382816
P   9.04
From 29 observations 2012 July 18-21.

Ephemeris:
    P/2012 O1 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2012 06 21    23 40 38.2 -08 30 06   1.0626  1.5650    97.6    40.1  19.6
...
2012 07 06    00 23 14.6 -07 35 48   0.9621  1.5351   101.7    40.4  19.3
...
2012 07 14    00 45 07.6 -07 21 14   0.9181  1.5263   104.1    40.2  19.2
...
2012 07 20    01 00 51.5 -07 18 06   0.8890  1.5232   106.0    39.9  19.1
2012 07 21    01 03 24.6 -07 18 16   0.8845  1.5230   106.3    39.8  19.1
2012 07 22    01 05 56.3 -07 18 38   0.8801  1.5229   106.6    39.7  19.0
...
2012 07 28    01 20 36.1 -07 24 58   0.8554  1.5237   108.8    39.1  19.0
...
2012 08 05    01 38 35.4 -07 44 26   0.8272  1.5295   111.9    38.0  18.9
...
2012 08 20    02 06 11.1 -08 52 55   0.7874  1.5542   119.0    34.7  18.9

Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-O16

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