• MPC Preparation (Info)

  • MPEC 2017-Q99 : COMET C/2017 P2 (PANSTARRS)

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2017-Q98 Read MPEC 2017-Q100


    M.P.E.C. 2017-Q99                                Issued 2017 Aug. 23, 13:59 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 P2 (PANSTARRS)
    
    Observations:
        CK17P020  C2017 08 14.25763 16 03 27.317+34 46 00.68         21.9 TLEQ099F51
        CK17P020  C2017 08 14.26952 16 03 27.909+34 45 49.53         22.2 TLEQ099F51
        CK17P020  C2017 08 14.28141 16 03 28.486+34 45 38.63         22.1 TLEQ099F51
        CK17P020  C2017 08 14.29330 16 03 29.086+34 45 27.39         22.1 TLEQ099F51
        CK17P020 KC2017 08 15.17313 16 04 15.41 +34 31 43.1          21.4 ToEQ099291
        CK17P020 KC2017 08 15.17890 16 04 15.72 +34 31 37.7          21.4 ToEQ099291
        CK17P020 KC2017 08 15.18468 16 04 16.09 +34 31 31.8          21.3 ToEQ099291
        CK17P020 KC2017 08 16.09582316 05 05.03 +34 17 13.0          22.1 TuEQ099H21
        CK17P020 KC2017 08 16.11411016 05 06.00 +34 16 55.6          21.9 TuEQ099H21
        CK17P020 KC2017 08 16.13280416 05 06.95 +34 16 37.4          22.2 TuEQ099H21
        CK17P020 1C2017 08 17.20131 16 06 05.95 +33 59 43.6                 EQ099658
        CK17P020 1C2017 08 17.20674 16 06 06.25 +33 59 38.5                 EQ099658
        CK17P020 1C2017 08 17.20890 16 06 06.35 +33 59 36.4                 EQ099658
        CK17P020 _C2017 08 17.33702816 06 13.389+33 57 35.56         21.0 TUEQ099568
        CK17P020 _C2017 08 17.33821116 06 13.462+33 57 34.44         21.8 TUEQ099568
        CK17P020 _C2017 08 17.33941816 06 13.539+33 57 33.20         22.0 TUEQ099568
        CK17P020 KC2017 08 18.09589016 06 56.37 +33 45 29.3          21.8 TuEQ099H21
        CK17P020 KC2017 08 18.11112516 06 57.23 +33 45 14.7          21.8 TuEQ099H21
        CK17P020 KC2017 08 18.13103416 06 58.36 +33 44 55.5          22.2 TuEQ099H21
        CK17P020 KC2017 08 18.15391 16 06 59.71 +33 44 34.5                oEQ099291
        CK17P020 KC2017 08 18.16257 16 07 00.18 +33 44 26.1          21.2 ToEQ099291
        CK17P020 KC2017 08 18.17122 16 07 00.66 +33 44 17.6          21.6 ToEQ099291
        CK17P020 _C2017 08 19.27906616 08 04.669+33 26 33.13               UEQ099568
        CK17P020 _C2017 08 19.28144616 08 04.831+33 26 30.87               UEQ099568
        CK17P020 _C2017 08 20.28479416 09 04.197+33 10 19.57         21.9 TUEQ099568
        CK17P020 _C2017 08 20.28598116 09 04.268+33 10 18.40         21.8 TUEQ099568
        CK17P020 _C2017 08 20.28717916 09 04.337+33 10 17.27         21.8 TUEQ099568
        CK17P020 1C2017 08 22.19522 16 11 00.90 +32 39 13.2                 EQ099658
        CK17P020 1C2017 08 22.19740 16 11 01.03 +32 39 11.0                 EQ099658
        CK17P020 1C2017 08 22.19957 16 11 01.16 +32 39 08.9                 EQ099658
    
    Observer details:
    291 LPL/Spacewatch II.  Observers M. J. Brucker, T. H. Bressi.  1.8-m f/2.7
        reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Crowder, C. Wipper.  Measurers
        M. Micheli, R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
        Plaskett telescope + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
        C/2017 P2 (PANSTARRS)
    T 2017 Dec. 6.64489 TT                                  MPCW
    q   2.4600137            (2000.0)            P               Q
                       Peri.  132.31243     +0.53347371     +0.82387935
                       Node   165.55018     -0.80130366     +0.41985279
    e   1.0            Incl.   50.08344     +0.27077341     -0.38071833
    From 30 observations 2017 Aug. 14-22.
    
    Ephemeris:
        C/2017 P2 (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2017 07 24    15 50 18.6 +39 45 41   2.5988  2.8644    94.6    20.7  21.6
    ...
    2017 08 08    15 58 28.9 +36 20 57   2.6036  2.7864    89.5    21.3  21.5
    ...
    2017 08 16    16 04 59.9 +34 18 45   2.6086  2.7475    86.9    21.6  21.5
    ...
    2017 08 22    16 10 48.8 +32 42 26   2.6137  2.7196    85.0    21.7  21.4
    2017 08 23    16 11 51.4 +32 26 04   2.6146  2.7150    84.7    21.8  21.4
    2017 08 24    16 12 55.3 +32 09 36   2.6156  2.7105    84.4    21.8  21.4
    ...
    2017 08 30    16 19 44.3 +30 29 12   2.6224  2.6842    82.5    21.9  21.4
    ...
    2017 09 07    16 29 54.3 +28 11 59   2.6336  2.6510    80.0    22.0  21.3
    ...
    2017 09 22    16 51 57.7 +23 49 14   2.6634  2.5950    75.2    22.0  21.3
    
    Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-Q99
    

    Read MPEC 2017-Q98 Read MPEC 2017-Q100


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)