• MPC Preparation (Info)

    • MPEC 2013-G13 : COMET C/2013 G1 (KOWALSKI)

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    Read MPEC 2013-G12 Read MPEC 2013-G14 

    M.P.E.C. 2013-G13                                Issued 2013 Apr. 4, 21:13 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 C/2013 G1 (KOWALSKI)

Observations:
    CK13G010  C2013 04 02.42509 15 40 39.03 -18 58 11.1          18.5 TuEG013G96
    CK13G010  C2013 04 02.43409 15 40 39.00 -18 58 10.1          18.4 TuEG013G96
    CK13G010  C2013 04 02.44313 15 40 38.92 -18 58 09.2          18.1 TuEG013G96
    CK13G010  C2013 04 02.45211 15 40 38.85 -18 58 08.4          18.6 TuEG013G96
    CK13G010  C2013 04 02.63179 15 40 38.01 -18 57 47.8          19.8 ToEG013E23
    CK13G010  C2013 04 02.66731 15 40 37.76 -18 57 44.6          19.2 ToEG013E23
    CK13G010  C2013 04 02.69856 15 40 37.42 -18 57 41.2          19.5 ToEG013E23
    CK13G010 1C2013 04 02.73942 15 40 37.32 -18 57 37.5                 EG013Q62
    CK13G010 1C2013 04 02.74289 15 40 37.30 -18 57 37.4                 EG013Q62
    CK13G010 1C2013 04 02.74636 15 40 37.28 -18 57 37.0          19.3 T EG013Q62
    CK13G010 2C2013 04 02.75567 15 40 37.22 -18 57 36.9          19.0 TqEG013Q62
    CK13G010 2C2013 04 02.75821 15 40 37.19 -18 57 36.3          19.1 TqEG013Q62
    CK13G010 HC2013 04 03.44409 15 40 33.07 -18 56 30.8          19.7 ToEG013691
    CK13G010 HC2013 04 03.46243 15 40 32.90 -18 56 29.2          19.5 ToEG013691
    CK13G010 *C2013 04 04.36450 15 40 26.70 -18 54 57.2          19.3 TuEG013H06
    CK13G010 *C2013 04 04.38112 15 40 26.60 -18 54 55.9          19.5 TuEG013H06
    CK13G010 AC2013 04 04.39049 15 40 26.54 -18 54 54.6          19.2 TqEG013H06
    CK13G010 AC2013 04 04.39347 15 40 26.50 -18 54 54.2          19.4 TqEG013H06
    CK13G010 HC2013 04 04.48420 15 40 25.84 -18 54 45.2                oEG013691
    CK13G010 $C2013 04 04.48426 15 40 25.96 -18 54 44.5          19.6 TuEG013F65
    CK13G010 $C2013 04 04.49225 15 40 25.87 -18 54 43.6          18.9 TuEG013F65
    CK13G010 $C2013 04 04.50022 15 40 25.80 -18 54 42.8          18.9 TuEG013F65
    CK13G010 HC2013 04 04.50348 15 40 25.67 -18 54 43.4                oEG013691

Observer details:
691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
    reflector + CCD.
E23 Arcadia.  Observer A. Hidas.  0.35-m Schmidt-Cassegrain + CCD.
F65 Haleakala-Faulkes Telescope North.  Observers E. Guido, N. Howes.  2.0-m
    f/10.0 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly.  1.5-m
    reflector + CCD.
H06 iTelescope Observatory, Mayhill.  Observers M. Urbanik, R. Ligustri.
    0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
Q62 iTelescope Observatory, Siding Spring.  Observers H. Sato, M. Urbanik.
    0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.

Orbital elements:
    C/2013 G1 (Kowalski)
T 2014 Jan. 19.01901 TT                                 MPC
q   2.1838631            (2000.0)            P               Q
                   Peri.   86.85032     +0.62849557     +0.77437568
                   Node   222.38146     -0.74973121     +0.57812073
e   1.0            Incl.    6.22112     -0.20711456     +0.25713563
From 23 observations 2013 Apr. 2-4.

Ephemeris:
    C/2013 G1 (Kowalski)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2013 03 05    15 36 40.0 -19 16 28   3.6746  4.0904   107.9    13.3  19.9
...
2013 03 20    15 40 21.5 -19 13 25   3.3478  3.9673   122.1    12.3  19.6
...
2013 03 28    15 40 53.4 -19 05 47   3.1858  3.9019   129.9    11.3  19.4
...
2013 04 03    15 40 35.8 -18 57 13   3.0713  3.8529   135.9    10.4  19.3
2013 04 04    15 40 29.3 -18 55 33   3.0529  3.8447   136.9    10.2  19.3
2013 04 05    15 40 21.9 -18 53 48   3.0346  3.8366   138.0    10.1  19.2
...
2013 04 11    15 39 16.0 -18 41 55   2.9296  3.7877   144.2     8.9  19.1
...
2013 04 19    15 36 53.9 -18 22 17   2.8022  3.7227   152.6     7.1  18.9
...
2013 05 04    15 30 03.4 -17 34 54   2.6069  3.6016   168.9     3.1  18.6

Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-G13

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