• Processing (Info)

    • MPEC 2017-N26 : COMET C/2017 K2 (PANSTARRS)

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    M.P.E.C. 2017-N26                                Issued 2017 July 1, 16:37 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F 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/2017 K2 (PANSTARRS)

Observations:
    CK17K020 FC2013 05 12.58756717 49 49.520+70 25 01.15               oEN026568
    CK17K020 FC2013 05 12.59507417 49 49.373+70 25 01.74               oEN026568
    CK17K020 FC2013 05 12.60258017 49 49.217+70 25 02.45               oEN026568
    CK17K020 FC2013 05 13.60705717 49 25.581+70 26 18.60               oEN026568
    CK17K020 KC2017 06 17.94730 17 37 26.39 +64 43 39.6          18.6 NqEN026C23
    CK17K020 KC2017 06 17.95307 17 37 26.17 +64 43 40.2          18.5 NqEN026C23
    CK17K020 KC2017 06 17.95886 17 37 25.87 +64 43 40.1          18.4 NqEN026C23
    CK17K020 KC2017 06 18.99838 17 36 50.57 +64 43 09.3          19.7 ToEN026461
    CK17K020 KC2017 06 19.00626 17 36 50.23 +64 43 09.0          19.8 ToEN026461
    CK17K020 KC2017 06 19.01139 17 36 50.68 +64 43 09.0          18.5 NqEN026K02
    CK17K020 KC2017 06 19.01914 17 36 50.46 +64 43 08.8          18.7 NqEN026K02
    CK17K020 KC2017 06 19.93132 17 36 18.76 +64 42 38.0          19.1 NqEN026A71
    CK17K020 KC2017 06 19.94390 17 36 18.36 +64 42 37.3          18.9 NqEN026A71
    CK17K020 KC2017 06 20.01498 17 36 15.86 +64 42 34.1          18.7 NqEN026A77
    CK17K020 KC2017 06 20.03663 17 36 15.10 +64 42 33.7          18.8 NqEN026A77
    CK17K020 KC2017 06 20.06240 17 36 14.23 +64 42 33.2          18.7 NqEN026A77
    CK17K020 KC2017 06 20.08406 17 36 13.52 +64 42 32.4          18.6 NqEN026A77
    CK17K020 KC2017 06 20.92068 17 35 45.13 +64 42 00.1          19.8 ToEN026461
    CK17K020 KC2017 06 20.95119 17 35 44.07 +64 41 59.0          19.6 ToEN026461
    CK17K020 5C2017 06 21.36614 17 35 30.00 +64 41 41.7                vEN026U69
    CK17K020 5C2017 06 21.37019 17 35 29.87 +64 41 41.1          18.7 TvEN026U69
    CK17K020 KC2017 06 21.90141 17 35 11.70 +64 41 17.5          19.0 NqEN026D08
    CK17K020 KC2017 06 21.91802 17 35 10.92 +64 41 18.9          17.9 NqEN026D08
    CK17K020 KC2017 06 22.05296 17 35 06.60 +64 41 11.6          18.8 NqEN026A77
    CK17K020 KC2017 06 22.07710 17 35 05.63 +64 41 09.9          18.9 NqEN026A77
    CK17K020 KC2017 06 22.09848 17 35 05.01 +64 41 08.2          19.0 NqEN026A77
    CK17K020 KC2017 06 23.91515 17 34 03.55 +64 39 40.9          19.1 NqEN026157
    CK17K020 KC2017 06 23.92460 17 34 03.26 +64 39 40.2          18.9 NqEN026157
    CK17K020 KC2017 06 23.93407 17 34 02.86 +64 39 39.7          19.3 NqEN026157
    CK17K020  C2017 06 25.39693 17 33 13.695+64 38 17.71         21.0 TLEN026F51
    CK17K020  C2017 06 25.40985 17 33 13.203+64 38 16.90         21.0 TLEN026F51
    CK17K020  C2017 06 25.42278 17 33 12.791+64 38 16.18         20.9 TLEN026F51
    CK17K020  C2017 06 25.43571 17 33 12.311+64 38 15.36         21.2 TLEN026F51
    CK17K020 KC2017 06 25.89105 17 32 57.00 +64 37 47.9          19.0 NUEN026K22
    CK17K020 KC2017 06 25.91368 17 32 56.38 +64 37 46.4          18.9 NUEN026K22
    CK17K020 KC2017 06 25.93633 17 32 55.50 +64 37 45.0          18.9 NUEN026K22
    CK17K020 KC2017 06 26.96466 17 32 21.00 +64 36 38.7          18.4 NqEN026C23
    CK17K020 KC2017 06 26.97332 17 32 20.68 +64 36 40.5          18.4 NqEN026C23

Observer details:
157 Frasso Sabino.  Observers R. Haver, L. M. Piazzolla, F. Chiodi.  Measurer
    R. Haver.  0.37-m f/6.70 Cassegrain + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observers A. Ordasi,
    R. Konyves-Toth.  Measurer K. Sarneczky.  0.60-m Schmidt + CCD.
568 Mauna Kea.  Observer S. Boissier.  Measurer M.-T. Hui.  3.6-m
    Canada-France-Hawaii Telescope + CCD.
A71 Stixendorf.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
    Measurer M. Jaeger.  0.3-m f/4 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban.  Observer J.-F. Soulier.  0.20-m f/4
    Newtonian reflector + CCD.
C23 Olmen.  Observer A. Diepvens.  0.20-m f/9 refractor + CCD.
D08 Ghezz Observatory, Leontica.  Observer I. Cervini.  0.15-m f/5
    Maksutov-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Goggia, T. Lowe,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
K02 Eastwood Observatory, Leigh on Sea.  Observer P. Carson.  0.32-m reflector
    + CCD + f/5.4 focal reducer.
K22 Les Barres Observatory, Lamanon.  Observer M. Deldem.  0.20-m f/10
    Schmidt-Cassegrain + CCD + f/7.4 focal reducer.
U69 iTelescope SRO Observatory, Auberry.  Observer H. Sato.  0.61-m f/6.5
    astrograph + CCD.

Orbital elements:
    C/2017 K2 (PANSTARRS)
Epoch 2022 Dec. 7.0 TT = JDT 2459920.5
T 2022 Dec. 19.92046 TT                                 MPCW
q   1.7968391            (2000.0)            P               Q
z  -0.0004336      Peri.  236.20438     +0.01817985     +0.04924122
 +/-0.0000533      Node    88.23452     -0.18082484     +0.98247827
e   1.0007792      Incl.   87.56318     -0.98334728     -0.17975468
From 199 observations 2013 May 12-2017 June 26, mean residual 0".4.

    C/2017 K2 (PANSTARRS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2022 Dec. 21.53781 TT                                 MPCW
q   1.8103291            (2000.0)            P               Q
z  -0.0001518      Peri.  236.03109     +0.01777174     +0.05000796
 +/-0.0000533      Node    88.19237     -0.18381454     +0.98188868
e   1.0002748      Incl.   87.55263     -0.98280027     -0.18273976
From 199 observations 2013 May 12-2017 June 26, mean residual 0".4.

Ephemeris:
    C/2017 K2 (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 06 01    17 46 55.3 +64 41 28  15.9581 16.0291    92.2     3.6  19.6
...
2017 06 16    17 38 32.8 +64 44 26  15.8766 15.9431    91.9     3.7  19.5
...
2017 06 24    17 34 00.7 +64 39 36  15.8356 15.8971    91.6     3.7  19.5
...
2017 06 30    17 30 40.4 +64 33 01  15.8059 15.8626    91.4     3.7  19.5
2017 07 01    17 30 07.6 +64 31 41  15.8010 15.8569    91.3     3.7  19.5
2017 07 02    17 29 35.0 +64 30 16  15.7961 15.8511    91.3     3.7  19.5
...
2017 07 08    17 26 24.1 +64 20 26  15.7676 15.8166    90.9     3.7  19.5
...
2017 07 16    17 22 25.6 +64 03 41  15.7308 15.7705    90.4     3.7  19.5
...
2017 07 31    17 16 04.9 +63 22 13  15.6654 15.6838    89.2     3.7  19.4

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-N26

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