• Processing (Info)

    • MPEC 2017-C82 : COMET C/2017 C1 (NEOWISE)

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    M.P.E.C. 2017-C82                                Issued 2017 Feb. 12, 02:48 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 C1 (NEOWISE)

Observations:
    CK17C010  S2017 02 06.09420 17 22 14.63 +60 41 48.9          19   TLEC082C51
    CK17C010  s2017 02 06.09420 1 -  622.3778 - 3173.6207 + 6041.1336   EC082C51
    CK17C010  S2017 02 06.09433 17 22 14.82 +60 41 50.0                LEC082C51
    CK17C010  s2017 02 06.09433 1 -  658.9538 - 3238.6631 + 6002.7305   EC082C51
    CK17C010  S2017 02 06.22523 17 21 51.51 +60 44 56.6                LEC082C51
    CK17C010  s2017 02 06.22523 1 -  630.0248 - 3201.7654 + 6025.5381   EC082C51
    CK17C010  S2017 02 06.35627 17 21 28.12 +60 48 02.8                LEC082C51
    CK17C010  s2017 02 06.35627 1 -  637.5376 - 3229.8941 + 6009.7837   EC082C51
    CK17C010  S2017 02 06.48717 17 21 04.25 +60 51 10.5                LEC082C51
    CK17C010  s2017 02 06.48717 1 -  608.8075 - 3192.8216 + 6032.4810   EC082C51
    CK17C010  S2017 02 06.61820 17 20 40.41 +60 54 17.4                LEC082C51
    CK17C010  s2017 02 06.61820 1 -  616.9827 - 3222.1849 + 6015.8575   EC082C51
    CK17C010  S2017 02 06.74911 17 20 16.05 +60 57 30.1                LEC082C51
    CK17C010  s2017 02 06.74911 1 -  588.4617 - 3184.9646 + 6038.4448   EC082C51
    CK17C010  S2017 02 06.88014 17 19 51.79 +61 00 39.0                LEC082C51
    CK17C010  s2017 02 06.88014 1 -  595.8328 - 3213.2939 + 6022.7586   EC082C51
    CK17C010 KC2017 02 10.43124317 07 28.41 +62 28 39.2          19.9 TUEC082V37
    CK17C010 KC2017 02 10.43758417 07 26.96 +62 28 49.1          20.5 TUEC082V37
    CK17C010 KC2017 02 10.44391017 07 25.44 +62 28 59.2          20.5 TUEC082V37
    CK17C010  C2017 02 10.45438517 07 22.90 +62 29 14.7          19.7 TUEC082H01
    CK17C010  C2017 02 10.46285517 07 20.89 +62 29 27.8          19.8 TUEC082H01
    CK17C010  C2017 02 10.46766317 07 19.73 +62 29 35.2          19.6 TUEC082H01
    CK17C010  C2017 02 10.47473317 07 18.04 +62 29 46.3          20.0 TUEC082H01
    CK17C010 KC2017 02 10.61700217 06 44.43 +62 33 24.7          19.7 TUEC082T04
    CK17C010 KC2017 02 10.62016017 06 43.79 +62 33 29.7          19.9 TUEC082T04
    CK17C010 KC2017 02 10.63102917 06 41.03 +62 33 46.3          19.9 TUEC082T04
    CK17C010 KC2017 02 10.63648917 06 39.74 +62 33 55.5          19.5 TUEC082T04
    CK17C010 KC2017 02 11.41560817 03 29.70 +62 53 44.5          20.3 TUEC082H01
    CK17C010 ^C2017 02 11.42615 17 03 27.10 +62 54 00.4          21.4 ToEC082695
    CK17C010  C2017 02 11.42788117 03 26.63 +62 54 03.9          20.1 TUEC082H01
    CK17C010 ^C2017 02 11.43127 17 03 25.79 +62 54 08.9          21.2 ToEC082695
    CK17C010 KC2017 02 11.43182217 03 25.62 +62 54 09.8          20.2 TUEC082H01
    CK17C010 ^C2017 02 11.43639 17 03 24.57 +62 54 17.0          21.4 ToEC082695
    CK17C010 KC2017 02 11.43699617 03 24.27 +62 54 18.1          19.9 TUEC082H01

Observer details:
695 Kitt Peak.  Observer R. A. Mastaler.  2.3-m f/9 reflector + CCD.
C51 WISE.  Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
    J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent, S. Sonnett, E. Kramer.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
T04 Haleakala-LCOGT OGG B #2.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  0.4-m f/8 Schmidt-Cassegrain + CCD.
V37 McDonald Observatory-LCOGT ELP.  Observers T. Lister, S. Greenstreet,
    E. Gomez.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
    C/2017 C1 (NEOWISE)
T 2017 Jan. 21.92580 TT                                 MPCW
q   1.5289943            (2000.0)            P               Q
                   Peri.  112.32112     -0.35833997     -0.93210723
                   Node   356.71889     +0.01509412     +0.05056838
e   1.0            Incl.   66.82718     +0.93346914     -0.35863485
From 24 observations 2017 Feb. 6-11.

Ephemeris:
    C/2017 C1 (NEOWISE)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2017 01 13    17 59 25.2 +53 58 22   1.3908  1.5340    78.4    38.9  20.6
...
2017 01 28    17 42 40.8 +57 28 19   1.2735  1.5313    84.4    39.8  20.4
...
2017 02 05    17 25 22.2 +60 16 08   1.2033  1.5415    88.9    39.8  20.3
...
2017 02 11    17 05 11.7 +62 43 06   1.1504  1.5542    93.0    39.4  20.2
2017 02 12    17 00 59.8 +63 08 44   1.1417  1.5567    93.7    39.3  20.2
2017 02 13    16 56 30.9 +63 34 32   1.1331  1.5594    94.4    39.1  20.2
...
2017 02 19    16 22 27.8 +66 07 20   1.0836  1.5778    99.1    38.2  20.2
...
2017 02 27    15 12 37.3 +68 41 54   1.0277  1.6085   105.7    36.4  20.1
...
2017 03 14    12 19 46.0 +65 05 49   0.9799  1.6835   117.0    31.7  20.2

Gareth V. Williams           (C) Copyright 2017 MPC           M.P.E.C. 2017-C82

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