• Processing (Info)

  • MPEC 2017-W103: 2017 WN2

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    M.P.E.C. 2017-W103                               Issued 2017 Nov. 21, 15:20 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 WN2
    
    Observations:
         K17W02N* C2017 11 19.34895 03 31 38.565+25 37 57.45         22.0 wLEW103F51
         K17W02N  C2017 11 19.36074 03 31 39.603+25 37 44.29         22.2 wLEW103F51
         K17W02N  C2017 11 19.37252 03 31 40.650+25 37 31.28         22.0 wLEW103F51
         K17W02N KC2017 11 20.33479 03 33 15.57 +25 19 30.7          22.4 RoEW103291
         K17W02N KC2017 11 20.34775 03 33 16.70 +25 19 15.4          22.2 RoEW103291
         K17W02N KC2017 11 20.36074 03 33 17.83 +25 19 00.7          22.5 RoEW103291
         K17W02N _C2017 11 20.48305203 33 29.767+25 16 51.05         21.8 GUEW103568
         K17W02N _C2017 11 20.48470803 33 29.918+25 16 49.06         22.2 GUEW103568
         K17W02N _C2017 11 20.48571503 33 30.000+25 16 47.88         22.0 GUEW103568
         K17W02N KC2017 11 21.34030 03 34 54.06 +25 00 50.5                oEW103691
         K17W02N KC2017 11 21.37316 03 34 56.84 +25 00 13.1                oEW103691
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 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.  Observer M. T. Read.  0.9-m f/3 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.
    
    Orbital elements:
    2017 WN2                                                 Earth MOID = 0.2473 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 347.62983              (2000.0)            P               Q
    n   0.22524372     Peri.  145.83793     +0.78612876     -0.61206519
    a   2.6752698      Node   252.13425     +0.54499433     +0.75201322
    e   0.5390969      Incl.    5.17775     +0.29151802     +0.24464733
    P   4.38           H   24.1           G   0.15           U   8
    Residuals in seconds of arc
    171119 F51  0.2-  0.3+    171120 291  0.2+  0.2-    171120 568  0.4-  0.0
    171119 F51  0.1-  0.1-    171120 291  0.2+  0.0     171121 691  0.2+  0.1-
    171119 F51  0.1+  0.2-    171120 568  0.5-  0.1+    171121 691  0.3-  0.0
    171120 291  0.1+  0.4+    171120 568  0.4-  0.0
    
    Ephemeris:
    2017 WN2                 a,e,i = 2.68, 0.54, 5                   q = 1.2330
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 22    02 30 42.3 +32 02 12   0.2573  1.2355   156.5    18.7    22.6
    ...
    2017 11 06    03 06 02.1 +29 31 57   0.2516  1.2364   165.5    11.6    22.3
    ...
    2017 11 14    03 22 09.1 +27 16 52   0.2597  1.2465   170.8     7.3    22.2
    ...
    2017 11 20    03 32 42.8 +25 25 49   0.2712  1.2582   173.9     4.8    22.2
    2017 11 21    03 34 21.4 +25 07 14   0.2736  1.2605   174.1     4.6    22.2
    2017 11 22    03 35 58.3 +24 48 44   0.2762  1.2628   174.3     4.5    22.2
    ...
    2017 11 28    03 45 05.3 +23 01 30   0.2943  1.2791   172.8     5.5    22.4
    ...
    2017 12 06    03 56 04.0 +20 55 43   0.3261  1.3056   167.4     9.4    22.9
    ...
    2017 12 21    04 14 49.9 +18 12 26   0.4101  1.3683   155.8    17.1    23.8
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W103
    

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