• MPC Preparation (Info)

  • MPEC 2017-W105: 2017 WF2

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    Read MPEC 2017-W104 Read MPEC 2017-W106


    M.P.E.C. 2017-W105                               Issued 2017 Nov. 21, 15:28 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
    
                                       2017 WF2
    
    Observations:
         K17W02F* C2017 11 18.28540 02 57 34.448+33 48 40.01         22.0 wLEW105F51
         K17W02F  C2017 11 18.31013 02 57 36.239+33 48 24.63         22.3 wLEW105F51
         K17W02F  C2017 11 18.32259 02 57 37.140+33 48 16.84         22.2 wLEW105F51
         K17W02F KC2017 11 19.34214 02 59 03.09 +33 36 18.5          21.8 RqEW105734
         K17W02F KC2017 11 19.36490 02 59 05.00 +33 36 02.4          22.1 RqEW105734
         K17W02F KC2017 11 20.21144903 00 22.34 +33 25 37.8          21.7 VuEW105H21
         K17W02F KC2017 11 20.22100003 00 23.10 +33 25 30.2          21.9 VuEW105H21
         K17W02F KC2017 11 20.23887703 00 24.45 +33 25 16.8          22.2 VuEW105H21
         K17W02F _C2017 11 20.46679303 00 44.619+33 22 31.36         21.7 GUEW105568
         K17W02F _C2017 11 20.46797103 00 44.718+33 22 30.22         21.8 GUEW105568
         K17W02F _C2017 11 20.46945503 00 44.826+33 22 29.21         21.8 GUEW105568
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.7-m 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2017 WF2                                                 Earth MOID = 0.2215 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 338.62241              (2000.0)            P               Q
    n   0.19875093     Peri.  178.98826     +0.10225668     -0.98696193
    a   2.9080147      Node   265.13469     +0.91179425     +0.14295053
    e   0.5857663      Incl.    7.16611     +0.39771198     -0.07396816
    P   4.96           H   23.5           G   0.15           U   8
    Residuals in seconds of arc
    171118 F51  0.1+  0.2+    171119 734  0.7+  1.7+    171120 568  0.5-  0.1+
    171118 F51  0.1-  0.1-    171120 H21  0.7+  0.4-    171120 568  0.4-  0.0
    171118 F51  0.1-  0.2-    171120 H21  0.8+  0.7-    171120 568  0.5-  0.2+
    171119 734  0.5-  0.1+    171120 H21  0.0   0.2-
    
    Ephemeris:
    2017 WF2                 a,e,i = 2.91, 0.59, 7                   q = 1.2046
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 22    02 31 29.3 +34 31 23   0.4271  1.3924   154.3    18.1    23.3
    ...
    2017 11 06    02 43 26.9 +35 06 51   0.3379  1.3150   160.8    14.4    22.5
    ...
    2017 11 14    02 51 56.2 +34 28 55   0.3016  1.2806   162.8    13.2    22.2
    ...
    2017 11 20    03 00 03.1 +33 28 22   0.2795  1.2585   163.4    13.0    22.0
    2017 11 21    03 01 35.2 +33 15 27   0.2762  1.2551   163.4    13.0    22.0
    2017 11 22    03 03 10.7 +33 01 43   0.2730  1.2518   163.4    13.0    21.9
    ...
    2017 11 28    03 13 59.2 +31 22 25   0.2568  1.2344   163.0    13.5    21.8
    ...
    2017 12 06    03 31 50.4 +28 27 57   0.2420  1.2172   161.4    14.9    21.7
    ...
    2017 12 21    04 13 47.8 +21 35 34   0.2369  1.2046   156.4    19.1    21.7
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W105
    

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