[Iaude] MPEC U239: COMET C/2017 U2 (Fuls)

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Oct 27 23:45:44 EDT 2017


M.P.E.C. 2017-U239                               Issued 2017 Oct. 28, 03:40 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 U2 (Fuls)
 
Observations:
    CK17U020  C2017 09 08.28252 21 17 43.188+22 29 53.29         20.2 TLEU239F51
    CK17U020  C2017 09 08.29527 21 17 42.831+22 29 45.83         20.6 TLEU239F51
    CK17U020  C2017 09 08.30828 21 17 42.445+22 29 37.04         20.8 TLEU239F51
    CK17U020  C2017 09 08.32128 21 17 42.056+22 29 29.80         20.2 TLEU239F51
    CK17U020  C2017 10 22.07896 21 05 35.58 +14 38 24.0          21.2 TUEU239G96
    CK17U020  C2017 10 22.08414 21 05 35.56 +14 38 21.0          21.9 TUEU239G96
    CK17U020  C2017 10 22.08930 21 05 35.48 +14 38 18.6          21.4 TUEU239G96
    CK17U020  C2017 10 22.09452 21 05 35.50 +14 38 15.0          21.4 TUEU239G96
    CK17U020  C2017 10 22.20843 21 05 35.18 +14 37 04.7          20.4 TUEU239G96
    CK17U020  C2017 10 22.21600 21 05 35.08 +14 36 59.1          20.5 TUEU239G96
    CK17U020  C2017 10 22.22352 21 05 35.07 +14 36 56.0                UEU239G96
    CK17U020  C2017 10 22.23089 21 05 35.04 +14 36 50.5          20.8 TUEU239G96
    CK17U020 KC2017 10 23.04323 21 05 33.07 +14 28 33.6          20.6 TqEU239734
    CK17U020 KC2017 10 23.05032 21 05 33.05 +14 28 29.4          20.8 TqEU239734
    CK17U020 KC2017 10 23.06376 21 05 33.01 +14 28 20.3          20.4 TqEU239734
    CK17U020  C2017 10 23.10432 21 05 32.93 +14 27 56.1          21.3 ToEU239926
    CK17U020 KC2017 10 23.11477 21 05 32.90 +14 27 49.6                oEU239691
    CK17U020  C2017 10 23.12148 21 05 32.90 +14 27 45.8          21.4 ToEU239926
    CK17U020 KC2017 10 23.13259 21 05 32.86 +14 27 38.8                oEU239691
    CK17U020  C2017 10 23.13780 21 05 32.86 +14 27 35.6          21.6 ToEU239926
    CK17U020 KC2017 10 23.15038 21 05 32.82 +14 27 28.3                oEU239691
    CK17U020  C2017 10 23.16317 21 05 32.82 +14 27 20.6          20.5 TUEU239G96
    CK17U020  C2017 10 23.17322 21 05 32.76 +14 27 14.3          21.0 TUEU239G96
    CK17U020  C2017 10 23.18294 21 05 32.73 +14 27 07.9          21.1 TUEU239G96
    CK17U020  C2017 10 23.19343 21 05 32.71 +14 27 01.8          20.7 TUEU239G96
    CK17U020 HC2017 10 24.18641 21 05 30.86 +14 16 56.7                oEU239691
    CK17U020 HC2017 10 24.19905 21 05 30.88 +14 16 50.1                oEU239691
    CK17U020  C2017 10 26.15121 21 05 29.13 +13 57 13.6          21.1 TUEU239V06
    CK17U020  C2017 10 26.15624 21 05 29.12 +13 57 10.5          21.5 TUEU239V06
    CK17U020  C2017 10 26.15876 21 05 29.11 +13 57 08.9          21.3 TUEU239V06
    CK17U020  C2017 10 27.07765 21 05 29.16 +13 48 00.6                UEU239V06
    CK17U020  C2017 10 27.08071 21 05 29.16 +13 47 58.3                UEU239V06
    CK17U020  C2017 10 27.08312 21 05 29.17 +13 47 57.6          21.5 TUEU239V06
    CK17U020  C2017 10 27.08783 21 05 29.20 +13 47 54.3                UEU239V06
 
Observer details:
691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
    + CCD.
734 Farpoint Observatory.  Observers G. Hug, D. Cromer.  Measurer G. Hug.
    0.69-m reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + 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.
G96 Mt. Lemmon Survey.  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.
    1.5-m reflector + 10K CCD.
V06 Catalina Sky Survey-Kuiper.  Observer E. J. Christensen.  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.  1.55-m reflector + CCD.
 
Orbital elements:
    C/2017 U2 (Fuls)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2017 Sept. 3.01108 TT                                 MPCW
q   6.7003262            (2000.0)            P               Q
z  +0.0002864      Peri.  148.20287     +0.75905207     +0.41476715
 +/-0.0002170      Node   149.73222     -0.56241398     +0.02952452
e   0.9980808      Incl.   95.40018     +0.32791838     -0.90944847
>From 34 observations 2017 Sept. 8-Oct. 27, mean residual 0".3.

Ephemeris:
    C/2017 U2 (Fuls)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 09 28    21 09 51.9 +18 57 23   6.0022  6.7024   131.0     6.5  21.2
...
2017 10 13    21 06 28.3 +16 13 41   6.1585  6.7056   119.4     7.4  21.2
...
2017 10 21    21 05 39.0 +14 49 31   6.2613  6.7079   112.7     7.9  21.2
...
2017 10 27    21 05 29.1 +13 48 48   6.3454  6.7099   107.4     8.1  21.3
2017 10 28    21 05 29.7 +13 38 55   6.3599  6.7103   106.5     8.2  21.3
2017 10 29    21 05 30.9 +13 29 06   6.3746  6.7106   105.6     8.2  21.3
...
2017 11 04    21 05 50.9 +12 31 49   6.4650  6.7129   100.3     8.4  21.3
...
2017 11 12    21 06 50.5 +11 20 00   6.5906  6.7164    93.0     8.5  21.4
...
2017 11 27    21 10 15.5 +09 20 44   6.8337  6.7240    79.5     8.3  21.4

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-U239



More information about the Iaude mailing list