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Minor Planet Center

MPEC 2010-J59 : COMET C/2010 J2 (McNAUGHT)

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M.P.E.C. 2010-J59                                Issued 2010 May 10, 02:35 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.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714

                          COMET C/2010 J2 (McNAUGHT)

Observations:
    CK10J020  C2010 05 08.75196 22 07 37.15 -12 34 34.4          17.5 T EJ059E12
    CK10J020  C2010 05 08.77166 22 07 36.54 -12 34 25.0                 EJ059E12
    CK10J020  C2010 05 08.82669 22 07 35.02 -12 33 57.5                 EJ059E12
    CK10J020  C2010 05 09.28978 22 07 21.58 -12 30 03.0          18.4 N EJ059I19
    CK10J020  C2010 05 09.29541 22 07 21.47 -12 29 59.6          18.3 N EJ059I19
    CK10J020  C2010 05 09.30103 22 07 21.25 -12 29 56.9          18.2 N EJ059I19
    CK10J020  C2010 05 09.38157 22 07 18.80 -12 29 19.6          17.8 T EJ059H21
    CK10J020  C2010 05 09.38604 22 07 18.66 -12 29 17.6          17.7 T EJ059H21
    CK10J020  C2010 05 09.39066 22 07 18.55 -12 29 15.1          18.1 T EJ059H21
    CK10J020  C2010 05 09.44162 22 07 17.09 -12 28 48.0          17.6 T EJ059H01
    CK10J020  C2010 05 09.44500 22 07 16.98 -12 28 47.9                 EJ059H06
    CK10J020  C2010 05 09.44779 22 07 16.86 -12 28 46.5                 EJ059H06
    CK10J020  C2010 05 09.44788 22 07 16.87 -12 28 45.6          18.3 N EJ059854
    CK10J020  C2010 05 09.44892 22 07 16.87 -12 28 44.3          17.6 T EJ059H01
    CK10J020  C2010 05 09.45151 22 07 16.74 -12 28 44.5          17.4 T EJ059H06
    CK10J020  C2010 05 09.45268 22 07 16.74 -12 28 43.4          18.3 N EJ059854
    CK10J020  C2010 05 09.45702 22 07 16.62 -12 28 40.3          17.5 T EJ059H01
    CK10J020  C2010 05 09.45749 22 07 16.59 -12 28 40.6          18.3 N EJ059854
    CK10J020  C2010 05 09.46422 22 07 16.41 -12 28 36.6          17.8 T EJ059H01
    CK10J020  C2010 05 09.63286 22 07 11.39 -12 27 08.8          17.8 N EJ059474
    CK10J020  C2010 05 09.63633 22 07 11.28 -12 27 07.2          17.8 N EJ059474
    CK10J020  C2010 05 09.63957 22 07 11.20 -12 27 05.2          18.4 N EJ059474
    CK10J020  C2010 05 09.64235 22 07 11.10 -12 27 04.0          18.2 N EJ059474
    CK10J020  C2010 05 09.71293 22 07 09.03 -12 26 28.0          16.0 T EJ059D96
    CK10J020  C2010 05 09.71870 22 07 08.84 -12 26 25.2          16.5 T EJ059D96
    CK10J020  C2010 05 09.81146 22 07 06.02 -12 25 39.8          17.7 T EJ059D90
    CK10J020  C2010 05 09.82253 22 07 05.66 -12 25 34.3          17.8 T EJ059D90

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
D90 RAS Observatory, Moorook.  Observer R. Ligustri.  0.40-m f/9 reflector
    + CCD.
D96 Tzec Maun Observatory, Moorook.  Observers P. Concari, S. Foglia, G. Galli,
    M. Tombelli.  0.18-m f/2.8 Newtonian reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt +
     CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.25-m f/3.4 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurer S. Foglia.  0.61-m reflector + CCD.
I19 Observatorio El Gato Gris, Tanti.  Observer C. Colazo.  0.35-m f/11
    Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2010 J2 (McNaught)
T 2010 Apr. 6.273 TT                                    MPC
q   3.42754              (2000.0)            P               Q
                   Peri.  351.698       +0.723010       -0.314366
                   Node   312.070       -0.576653       -0.764988
e   1.0            Incl.  124.034       -0.380430       +0.562109
From 27 observations 2010 May 8-9.

Ephemeris:
    C/2010 J2 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2010 05 04    22 09.65   -13 14.7    3.582    3.437    73.6    16.3  17.1
2010 05 14    22 04.80   -11 50.5    3.403    3.445    83.9    17.0  17.0
2010 05 24    21 57.55   -10 26.7    3.222    3.456    94.7    17.0  16.9
2010 06 03    21 47.54   -09 03.1    3.048    3.469   106.1    16.3  16.8
2010 06 13    21 34.44   -07 39.7    2.888    3.485   118.2    14.9  16.7
2010 06 23    21 18.11   -06 17.1    2.754    3.503   130.7    12.7  16.6
2010 07 03    20 58.78   -04 56.6    2.653    3.523   143.5     9.9  16.6
2010 07 13    20 37.11   -03 40.8    2.596    3.545   155.3     6.9  16.6
2010 07 23    20 14.27   -02 32.6    2.588    3.570   162.3     5.0  16.6

Brian G. Marsden             (C) Copyright 2010 MPC           M.P.E.C. 2010-J59

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