• MPC Preparation (Info)

    • MPEC 2017-Q102: COMET C/2017 M5 (TOTAS)

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    M.P.E.C. 2017-Q102                               Issued 2017 Aug. 23, 15:05 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 M5 (TOTAS)

Observations:
    CK17M050 2C2017 07 15.34321 18 22 53.41 -06 39 10.2          19.2 TtEQ102F65
    CK17M050 2C2017 07 15.40519 18 22 52.25 -06 39 10.9          19.1 TtEQ102F65
    CK17M050 KC2017 07 20.92206318 21 17.154-06 40 56.29         18.6 TUEQ102J04
    CK17M050 KC2017 07 20.93566118 21 16.872-06 40 56.51         18.0 TUEQ102J04
    CK17M050 1C2017 07 22.66630 18 20 48.78 -06 41 44.7                vEQ102Q62
    CK17M050 1C2017 07 22.66959 18 20 48.73 -06 41 45.2          18.4 TvEQ102Q62
    CK17M050 9C2017 07 22.93811 18 20 44.56 -06 41 54.9          18.6 NUEQ102G40
    CK17M050 9C2017 07 22.94880 18 20 44.36 -06 41 55.3          18.5 NUEQ102G40
    CK17M050 QC2017 08 10.39391 18 17 00.71 -06 58 11.6          20.0 NqEQ102Q62
    CK17M050 QC2017 08 10.41838 18 17 00.50 -06 58 13.8          19.5 NqEQ102Q62
    CK17M050 QC2017 08 10.44100 18 17 00.27 -06 58 14.9          19.3 NqEQ102Q62
    CK17M050 QC2017 08 12.37907 18 16 46.03 -07 00 38.7          17.7 NUEQ102Q62
    CK17M050 QC2017 08 12.39145 18 16 45.97 -07 00 39.6          17.9 NUEQ102Q62
    CK17M050 9C2017 08 16.00587 18 16 24.59 -07 05 22.1          18.8 TUEQ102G40
    CK17M050 9C2017 08 16.03422 18 16 24.43 -07 05 24.4          19.1 TUEQ102G40
    CK17M050 9C2017 08 16.07144 18 16 24.25 -07 05 27.0          19.2 TUEQ102G40
    CK17M050 |C2017 08 16.59734 18 16 17.64 -07 05 22.7          16.6 NvEQ102Q62
    CK17M050 |C2017 08 16.61341 18 16 17.56 -07 05 23.4          16.6 NvEQ102Q62

Observer details:
F65 Haleakala-Faulkes Telescope North.  Observers L. Belli, P. Breitenstein.
    2.0-m Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory.  Observer B. Lutkenhoner.  0.43-m
    f/6.8 Corrected Dall-Kirkham + CCD, 0.5-m f/6.8 Corrected Dall-Kirkham
    + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel.  1.0-m f/4.4
    reflector + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observers G. Crinklaw, H. Sato,
    S. Foglia, L. Buzzi, P. Concari, C. Cremaschini, G. Galli, M. Tombelli.
    0.15-m f/7 refractor + CCD, 0.50-m f/6.8 reflector + CCD + f/4.5 focal
    reducer, 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer, 0.70-m f/6.6
    reflector + CCD.

Orbital elements:
    C/2017 M5 (TOTAS)
Epoch 2018 June 11.0 TT = JDT 2458280.5
T 2018 June 2.47022 TT                                  MPCW
q   5.9912046            (2000.0)            P               Q
z  -0.0005211      Peri.   92.60114     +0.60493943     +0.77963764
 +/-0.0002070      Node   216.26515     -0.79490591     +0.57938366
e   1.0031219      Incl.   15.88514     -0.04661408     +0.23765464
From 85 observations 2017 June 23-Aug. 16, mean residual 0".5.

    C/2017 M5 (TOTAS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2018 June 2.36124 TT                                  MPCW
q   5.9913406            (2000.0)            P               Q
z  -0.0004457      Peri.   92.58350     +0.60477641     +0.77975856
 +/-0.0002070      Node   216.27113     -0.79502750     +0.57921364
e   1.0026706      Incl.   15.88552     -0.04665584     +0.23767237
From 85 observations 2017 June 23-Aug. 16, mean residual 0".5.

Ephemeris:
    C/2017 M5 (TOTAS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 07 24    18 20 27.9 -06 42 29   5.4829  6.3802   149.6     4.6  18.2
...
2017 08 08    18 17 21.0 -06 55 26   5.5719  6.3453   136.4     6.3  18.3
...
2017 08 16    18 16 24.7 -07 05 21   5.6387  6.3272   129.2     7.1  18.3
...
2017 08 22    18 16 05.3 -07 13 49   5.6963  6.3139   123.7     7.7  18.3
2017 08 23    18 16 04.1 -07 15 18   5.7065  6.3117   122.8     7.7  18.3
2017 08 24    18 16 03.4 -07 16 48   5.7168  6.3096   121.9     7.8  18.3
...
2017 08 30    18 16 12.2 -07 26 07   5.7817  6.2966   116.4     8.3  18.3
...
2017 09 07    18 16 57.8 -07 39 07   5.8749  6.2797   109.3     8.7  18.3
...
2017 09 22    18 20 08.2 -08 03 51   6.0640  6.2493    96.0     9.2  18.4

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-Q102

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