[Iaude] MPEC U180: COMET C/2017 T2 (PANSTARRS)

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Oct 24 23:21:17 EDT 2017


M.P.E.C. 2017-U180                               Issued 2017 Oct. 25, 03:16 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                          COMET C/2017 T2 (PANSTARRS)
 
Observations:
    CK17T020  C2017 09 15.58688 03 36 21.455-14 57 56.43         20.3 TLEU180F51
    CK17T020  C2017 09 15.59883 03 36 21.329-14 57 58.34         20.2 TLEU180F51
    CK17T020  C2017 09 15.61079 03 36 21.211-14 58 00.32         20.2 TLEU180F51
    CK17T020  C2017 09 15.62277 03 36 21.099-14 58 02.32         20.3 TLEU180F51
    CK17T020  C2017 10 02.52110 03 32 39.341-15 43 31.42         19.9 TLEU180F51
    CK17T020  C2017 10 02.53268 03 32 39.151-15 43 33.30         19.8 TLEU180F51
    CK17T020  C2017 10 02.54430 03 32 38.949-15 43 35.05         19.9 TLEU180F51
    CK17T020  C2017 10 02.55589 03 32 38.750-15 43 36.90         19.8 TLEU180F51
    CK17T020  C2017 10 10.53922 03 30 12.025-16 03 19.82         19.7 TLEU180F51
    CK17T020  C2017 10 10.55237 03 30 11.748-16 03 21.67         19.7 TLEU180F51
    CK17T020  C2017 10 10.56555 03 30 11.492-16 03 23.45         19.6 TLEU180F51
    CK17T020  C2017 10 10.57869 03 30 11.215-16 03 25.36         19.6 TLEU180F51
    CK17T020 HC2017 10 11.29087 03 29 56.97 -16 05 04.9          19.4 ToEU180691
    CK17T020 HC2017 10 11.29783 03 29 56.82 -16 05 05.8          19.5 ToEU180691
    CK17T020 HC2017 10 11.30478 03 29 56.68 -16 05 07.0          19.5 ToEU180691
    CK17T020 KC2017 10 11.60013 03 29 50.69 -16 05 46.9          19.1 TUEU180474
    CK17T020 KC2017 10 11.60435 03 29 50.62 -16 05 47.8          19.4 TUEU180474
    CK17T020 KC2017 10 11.62281 03 29 50.23 -16 05 50.0          19.6 TUEU180474
    CK17T020 KC2017 10 11.62704 03 29 50.11 -16 05 50.3          19.1 TUEU180474
    CK17T020  C2017 10 12.33365003 29 35.66 -16 07 28.6          18.4 TtEU180W87
    CK17T020  C2017 10 12.33693303 29 35.59 -16 07 29.0          18.4 TtEU180W87
    CK17T020  C2017 10 12.34022503 29 35.51 -16 07 29.5          18.4 TtEU180W87
    CK17T020  C2017 10 12.35336103 29 35.24 -16 07 31.3          18.6 TtEU180W87
    CK17T020 HC2017 10 12.37668 03 29 34.80 -16 07 35.2          19.4 ToEU180691
    CK17T020 HC2017 10 12.38378 03 29 34.64 -16 07 36.1          19.3 ToEU180691
    CK17T020 HC2017 10 12.39095 03 29 34.49 -16 07 37.1          19.4 ToEU180691
    CK17T020 1C2017 10 12.56781 03 29 30.90 -16 08 00.4                vEU180Q62
    CK17T020 1C2017 10 12.57025 03 29 30.83 -16 08 00.6                vEU180Q62
    CK17T020 1C2017 10 12.57270 03 29 30.78 -16 08 00.7          19.3 TvEU180Q62
    CK17T020 HC2017 10 13.29919 03 29 15.65 -16 09 40.8          19.2 ToEU180691
    CK17T020 HC2017 10 13.30768 03 29 15.49 -16 09 41.9          19.5 ToEU180691
    CK17T020 HC2017 10 13.31617 03 29 15.28 -16 09 42.9          19.2 ToEU180691
    CK17T020 KC2017 10 15.00193 03 28 39.49 -16 13 27.1          18.9 ToEU180K88
    CK17T020 KC2017 10 15.00888 03 28 39.33 -16 13 27.9          18.8 ToEU180K88
    CK17T020 KC2017 10 15.01584 03 28 39.18 -16 13 28.9          18.9 ToEU180K88
    CK17T020 KC2017 10 15.05375 03 28 38.41 -16 13 33.7          19.6 TqEU180A71
    CK17T020 KC2017 10 15.06537 03 28 38.15 -16 13 35.6          19.4 TqEU180A71
    CK17T020 KC2017 10 16.00316 03 28 17.77 -16 15 36.9          19.1 ToEU180K88
    CK17T020 KC2017 10 16.00959 03 28 17.63 -16 15 37.7          18.9 ToEU180K88
    CK17T020 KC2017 10 16.01601 03 28 17.50 -16 15 38.6          19.3 ToEU180K88
    CK17T020 KC2017 10 16.02243 03 28 17.37 -16 15 39.1          19.4 ToEU180K88
    CK17T020 KC2017 10 16.02884 03 28 17.22 -16 15 39.5          19.3 ToEU180K88
    CK17T020 KC2017 10 16.04121 03 28 16.97 -16 15 41.7          19.2 TqEU180A77
    CK17T020 KC2017 10 16.07794 03 28 16.16 -16 15 46.5          19.6 TqEU180A77
    CK17T020 KC2017 10 16.10715 03 28 15.51 -16 15 49.7          19.7 TqEU180A77
    CK17T020 KC2017 10 16.99632 03 27 55.85 -16 17 43.4          19.1 ToEU180K88
    CK17T020 KC2017 10 17.00271 03 27 55.76 -16 17 44.5          19.0 ToEU180K88
    CK17T020 KC2017 10 17.00910 03 27 55.59 -16 17 44.9          19.0 ToEU180K88
    CK17T020 KC2017 10 17.01548 03 27 55.44 -16 17 45.8          19.0 ToEU180K88
    CK17T020 KC2017 10 17.02187 03 27 55.31 -16 17 46.5          18.8 ToEU180K88
    CK17T020 KC2017 10 17.02826 03 27 55.15 -16 17 47.1          18.9 ToEU180K88
    CK17T020 HC2017 10 17.37381 03 27 47.47 -16 18 30.2          19.2 ToEU180691
    CK17T020 HC2017 10 17.39667 03 27 46.94 -16 18 33.1          19.2 ToEU180691
    CK17T020 HC2017 10 17.41938 03 27 46.46 -16 18 35.6          19.1 ToEU180691
    CK17T020 KC2017 10 18.00090 03 27 33.41 -16 19 48.1          19.0 ToEU180K88
    CK17T020 KC2017 10 18.00622 03 27 33.29 -16 19 49.1                oEU180K88
    CK17T020 KC2017 10 18.01421 03 27 33.08 -16 19 49.9          19.1 ToEU180K88
    CK17T020 KC2017 10 18.02752 03 27 32.79 -16 19 51.6          18.7 ToEU180K88
    CK17T020 HC2017 10 18.44235 03 27 23.41 -16 20 42.4          19.4 ToEU180691
    CK17T020 HC2017 10 18.45270 03 27 23.15 -16 20 43.4          19.1 ToEU180691
    CK17T020 #C2017 10 19.02163 03 27 10.29 -16 21 52.5                UEU180G40
    CK17T020 #C2017 10 19.03330 03 27 10.04 -16 21 54.4          19.4 TUEU180G40
    CK17T020 9C2017 10 19.07333 03 27 09.12 -16 21 58.5          19.5 TUEU180G40
    CK17T020 9C2017 10 19.08577 03 27 08.77 -16 22 00.2          19.5 TUEU180G40
    CK17T020 KC2017 10 20.35825 03 26 39.70 -16 24 28.8          19.4 TuEU180850
    CK17T020 KC2017 10 20.38693 03 26 38.75 -16 24 36.9          19.5 TuEU180850
    CK17T020 _C2017 10 21.52283903 26 12.192-16 26 44.00         19.5 TUEU180568
    CK17T020 _C2017 10 21.52401403 26 12.172-16 26 44.22         19.5 TUEU180568
    CK17T020 _C2017 10 21.52518803 26 12.144-16 26 44.34         19.4 TUEU180568
    CK17T020 _C2017 10 21.52637503 26 12.113-16 26 44.47         19.6 TUEU180568
    CK17T020 _C2017 10 21.52755203 26 12.080-16 26 44.55         19.4 TUEU180568
    CK17T020 KC2017 10 22.35710 03 25 52.34 -16 28 16.0          18.6 TvEU180W89
    CK17T020 KC2017 10 22.35976 03 25 52.28 -16 28 16.3          18.6 TvEU180W89
    CK17T020 KC2017 10 22.36257 03 25 52.22 -16 28 16.6          18.5 TvEU180W89
    CK17T020  C2017 10 22.49760 03 25 49.050-16 28 32.55         19.7 TLEU180F51
    CK17T020  C2017 10 22.51057 03 25 48.735-16 28 33.95         19.9 TLEU180F51
    CK17T020  C2017 10 22.52352 03 25 48.423-16 28 35.35         19.7 TLEU180F51
    CK17T020  C2017 10 22.53647 03 25 48.108-16 28 36.81         19.7 TLEU180F51
    CK17T020  C2017 10 24.36425 03 25 04.00 -16 31 51.6          18.9 TUEU180I52
    CK17T020  C2017 10 24.37395 03 25 03.76 -16 31 53.7          18.6 TUEU180I52
    CK17T020  C2017 10 24.43075 03 25 02.37 -16 31 58.9          19.1 TUEU180I52
    CK17T020  C2017 10 24.44024 03 25 02.16 -16 32 00.3          18.8 TUEU180I52
 
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 R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak.  Observers A. F. Tubbiolo, R. A. Mastaler.
    0.9-m f/3 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/7.6
    Schmidt-Cassegrain + 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.
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.
G40 Slooh.com Canary Islands Observatory.  Observers B. Lutkenhoner,
    J. L. Tuten.  0.43-m f/6.8 Corrected Dall-Kirkham + CCD, 0.5-m f/6.8
    reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  Measurers
    E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
    F. C. Shelly.  1.0-m reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  1.02-m Ritchey-Chretien
    + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.51-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.
W87 Cerro Tololo-LCO C.  Observer J. D. Armstrong.  Measurers J. D. Armstrong,
    S. W. Ryden, Z. N. Teagarden.  1.0-m f/8 Ritchey-Chretien + CCD.
W89 Cerro Tololo-LCO Aqawan A #1.  Observers P. Miller, E. Gomez, S. Foglia,
    L. Buzzi, R. Holmes.  Measurers S. Foglia, L. Buzzi.  0.4-m f/8 reflector
    + CCD.
 
Orbital elements:
    C/2017 T2 (PANSTARRS)
Epoch 2020 Apr. 21.0 TT = JDT 2458960.5
T 2020 May 6.23270 TT                                   MPCW
q   1.6171727            (2000.0)            P               Q
z  +0.0010197      Peri.   93.02125     -0.51063784     -0.40566060
 +/-0.0002754      Node    64.40477     -0.16309290     -0.81999188
e   0.9983510      Incl.   57.20018     +0.84418582     -0.40379795
>From 80 observations 2017 Sept. 15-Oct. 24, mean residual 0".3.

    C/2017 T2 (PANSTARRS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2020 May 5.92141 TT                                   MPCW
q   1.6151852            (2000.0)            P               Q
z  +0.0007575      Peri.   93.03927     -0.51087712     -0.40533119
 +/-0.0002754      Node    64.41511     -0.16337865     -0.82001065
e   0.9987766      Incl.   57.19426     +0.84398577     -0.40409053
>From 80 observations 2017 Sept. 15-Oct. 24, mean residual 0".3.

Ephemeris:
    C/2017 T2 (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 09 25    03 34 33.6 -15 23 37   8.6776  9.3058   126.2     5.0  19.4
...
2017 10 10    03 30 22.7 -16 02 03   8.4440  9.1970   136.8     4.3  19.3
...
2017 10 18    03 27 33.5 -16 19 47   8.3401  9.1387   141.3     3.9  19.2
...
2017 10 24    03 25 12.9 -16 31 13   8.2727  9.0950   143.9     3.7  19.2
2017 10 25    03 24 48.5 -16 32 56   8.2624  9.0877   144.2     3.7  19.2
2017 10 26    03 24 23.8 -16 34 36   8.2524  9.0804   144.5     3.6  19.2
...
2017 11 01    03 21 51.0 -16 43 21   8.1978  9.0365   145.9     3.5  19.1
...
2017 11 09    03 18 17.5 -16 51 21   8.1402  8.9779   145.9     3.5  19.1
...
2017 11 24    03 11 25.9 -16 53 33   8.0794  8.8675   140.9     4.0  19.0

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-U180



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