[Iaude] MPEC P86: COMET C/2018 F4 (PANSTARRS)

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Aug 13 14:57:18 EDT 2018


M.P.E.C. 2018-P86                                Issued 2018 Aug. 13, 18:50 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                          COMET C/2018 F4 (PANSTARRS)
 
Observations:
    CK18F040  C2018 06 05.27404 13 05 00.249-10 24 37.61         20.0 wUEP086F51
    CK18F040  C2018 06 05.28570 13 04 59.890-10 24 38.81         19.9 wUEP086F51
    CK18F040  C2018 06 05.29736 13 04 59.548-10 24 40.09         20.1 wUEP086F51
    CK18F040  C2018 06 05.30901 13 04 59.196-10 24 41.41         19.7 wUEP086F51
    CK18F040 KC2018 06 12.49408 13 01 45.30 -10 38 51.8          18.8 TqEP086Q11
    CK18F040 KC2018 06 12.50122 13 01 45.11 -10 38 52.7                qEP086Q11
    CK18F040 KC2018 06 12.50480 13 01 45.03 -10 38 53.3                qEP086Q11
    CK18F040 _C2018 06 18.24798312 59 36.003-10 52 02.14         21.2 GVEP086568
    CK18F040 _C2018 06 18.24916312 59 35.977-10 52 02.38         21.2 GVEP086568
    CK18F040 _C2018 06 18.25034112 59 35.953-10 52 02.49         21.3 GVEP086568
    CK18F040 _C2018 06 18.25151812 59 35.931-10 52 02.67         20.7 GVEP086568
    CK18F040  C2018 07 17.34757 12 54 40.45 -12 25 36.9          19.6 NUEP086474
    CK18F040  C2018 07 17.35461 12 54 40.46 -12 25 38.8          19.5 NUEP086474
    CK18F040  C2018 07 17.37755 12 54 40.44 -12 25 44.1          19.2 NUEP086474
    CK18F040  C2018 07 17.38155 12 54 40.46 -12 25 45.4          20.0 NUEP086474
    CK18F040  C2018 08 10.32831 12 57 28.89 -14 17 13.9          19.4 GVEP086474
    CK18F040  C2018 08 10.33031 12 57 28.92 -14 17 14.3          19.2 GVEP086474
    CK18F040  C2018 08 10.33231 12 57 28.93 -14 17 15.1          19.3 GVEP086474
    CK18F040  C2018 08 10.33631 12 57 29.00 -14 17 16.3          19.6 GVEP086474
 
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.
568 Mauna Kea.  Observers K. J. Meech, J. Kleyna.  Measurers M. Micheli,
    J. Kleyna.  3.6-m Canada-France-Hawaii 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. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
Q11 Shinshiro.  Observer T. Ikemura.  Measurer H. Sato.  0.35-m f/5 reflector
    + CCD.
 
Orbital elements:
    C/2018 F4 (PANSTARRS)
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5
T 2019 Dec. 4.09652 TT                                  MPCW
q   3.4397694            (2000.0)            P               Q
z  -0.0004245      Peri.  263.21386     -0.01433791     +0.89948378
 +/-0.0000104      Node    26.50745     +0.16996655     +0.43259990
e   1.0014601      Incl.   78.09776     -0.98534552     +0.06153252
>From 176 observations 2018 Mar. 17-Aug. 10, mean residual 0".5.

    C/2018 F4 (PANSTARRS)
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5
T 2019 Dec. 4.20980 TT                                  MPCW
q   3.4419343            (2000.0)            P               Q
z  -0.0001293      Peri.  263.17072     -0.01552162     +0.89932168
 +/-0.0000104      Node    26.51897     +0.17076024     +0.43302809
e   1.0004449      Incl.   78.17091     -0.98519035     +0.06088677
>From 176 observations 2018 Mar. 17-Aug. 10, mean residual 0".5.

Ephemeris:
    C/2018 F4 (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2018 07 14    12 54 44.9 -12 12 31   5.6145  5.6368    86.1    10.4        20.1
...
2018 07 29    12 55 20.5 -13 16 03   5.7628  5.5411    72.4    10.1        20.1
...
2018 08 06    12 56 34.3 -13 54 51   5.8350  5.4902    65.4     9.7        20.1
...
2018 08 12    12 57 52.6 -14 26 09   5.8845  5.4522    60.2     9.3        20.0
2018 08 13    12 58 07.5 -14 31 33   5.8924  5.4458    59.3     9.2        20.0
2018 08 14    12 58 22.9 -14 37 00   5.9000  5.4395    58.5     9.1        20.0
...
2018 08 20    13 00 05.3 -15 10 45   5.9430  5.4016    53.4     8.7        20.0
...
2018 08 28    13 02 47.1 -15 58 32   5.9915  5.3512    46.8     7.9        20.0
...
2018 09 12    13 08 59.7 -17 36 25   6.0516  5.2572    34.9     6.3        19.9

Gareth V. Williams           (C) Copyright 2018 MPC           M.P.E.C. 2018-P86



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