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  • MPEC 2017-W139: 2017 WP13

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    M.P.E.C. 2017-W139                               Issued 2017 Nov. 25, 00:10 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 WP13
    
    Observations:
         K17W13P* C2017 11 20.29069 03 21 44.42 -11 50 31.8          20.4 GUEW139G96
         K17W13P  C2017 11 20.29598 03 21 46.68 -11 50 03.5          20.2 GUEW139G96
         K17W13P  C2017 11 20.30123 03 21 48.89 -11 49 35.6          20.4 GUEW139G96
         K17W13P  C2017 11 20.30661 03 21 51.20 -11 49 06.7          20.2 GUEW139G96
         K17W13P  C2017 11 20.37629 03 22 20.82 -11 42 55.0          19.9 GUEW139I52
         K17W13P  C2017 11 20.37726 03 22 21.23 -11 42 49.9          20.1 GUEW139I52
         K17W13P  C2017 11 20.37823 03 22 21.67 -11 42 44.7          20.1 GUEW139I52
         K17W13P  C2017 11 20.37920 03 22 22.10 -11 42 39.2          19.8 GUEW139I52
         K17W13P KC2017 11 21.16938003 28 11.72 -10 34 54.6          20.6 VuEW139H21
         K17W13P KC2017 11 21.17330403 28 13.26 -10 34 34.9          20.7 VuEW139H21
         K17W13P KC2017 11 21.17824603 28 15.21 -10 34 10.4          21.1 VuEW139H21
         K17W13P  C2017 11 21.28460 03 28 58.44 -10 25 11.4          20.2 GUEW139I52
         K17W13P  C2017 11 21.28612 03 28 59.03 -10 25 03.7          20.7 GUEW139I52
         K17W13P  C2017 11 21.28764 03 28 59.59 -10 24 56.5          20.0 GUEW139I52
         K17W13P  C2017 11 21.28916 03 29 00.19 -10 24 49.1          20.5 GUEW139I52
         K17W13P |C2017 11 23.19510 03 41 05.27 -07 54 59.8          20.7 VuEW139807
         K17W13P |C2017 11 23.19877 03 41 06.43 -07 54 43.8          20.8 VuEW139807
         K17W13P |C2017 11 23.20243 03 41 07.61 -07 54 27.8          20.8 VuEW139807
         K17W13P  C2017 11 23.23319903 41 20.27 -07 53 35.5          19.7 GUEW139H01
         K17W13P  C2017 11 23.23693303 41 21.46 -07 53 19.3          19.8 GUEW139H01
         K17W13P  C2017 11 23.24865103 41 25.20 -07 52 28.3          19.8 GUEW139H01
         K17W13P  C2017 11 23.25357903 41 26.77 -07 52 06.8          19.8 GUEW139H01
         K17W13P  C2017 11 23.26082 03 41 29.38 -07 51 32.5          20.0 RoEW139926
         K17W13P  C2017 11 23.26427 03 41 30.47 -07 51 17.4          19.8 RoEW139926
         K17W13P  C2017 11 23.26769 03 41 31.57 -07 51 02.5          20.2 RoEW139926
         K17W13P  C2017 11 23.28304 03 41 36.42 -07 49 56.9          20.4 GUEW139G96
         K17W13P  C2017 11 23.28344 03 41 36.56 -07 49 54.9          20.3 GUEW139G96
         K17W13P  C2017 11 23.28384 03 41 36.66 -07 49 53.4          20.1 GUEW139G96
         K17W13P  C2017 11 23.28425 03 41 36.80 -07 49 51.3          20.3 GUEW139G96
         K17W13P  C2017 11 23.88333 03 44 59.32 -07 07 32.3          20.8 VSEW139033
         K17W13P  C2017 11 23.88564 03 45 00.05 -07 07 22.4          20.6 VSEW139033
         K17W13P  C2017 11 23.91918 03 45 10.33 -07 05 02.8          20.0 VSEW139033
         K17W13P  C2017 11 23.92147 03 45 11.02 -07 04 53.6          20.2 VSEW139033
         K17W13P  C2017 11 23.92378 03 45 11.70 -07 04 44.1          20.1 VSEW139033
         K17W13P  C2017 11 24.29119 03 47 08.95 -06 39 14.4          20.4 GUEW139G96
         K17W13P  C2017 11 24.29159 03 47 09.06 -06 39 12.9          20.3 GUEW139G96
         K17W13P  C2017 11 24.29200 03 47 09.19 -06 39 11.3          20.7 GUEW139G96
         K17W13P  C2017 11 24.29240 03 47 09.28 -06 39 09.5          20.6 GUEW139G96
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers C. Hoegner,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observers E. J. Christensen, 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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        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.  1.0-m reflector + CCD.
    
    Orbital elements:
    2017 WP13                                                Earth MOID = 0.0079 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 347.30201              (2000.0)            P               Q
    n   0.27151165     Peri.  199.90799     +0.93539728     -0.35359776
    a   2.3619847      Node   180.80069     +0.33123208     +0.87696744
    e   0.5782496      Incl.    3.06494     +0.12376284     +0.32541779
    P   3.63           H   24.0           G   0.15           U   5
    Residuals in seconds of arc
    171120 G96  0.1-  0.0     171121 I52  0.1+  0.3+    171123 G96  0.1-  0.1+
    171120 G96  0.1-  0.0     171121 I52  0.2-  0.1-    171123 G96  0.1+  0.4+
    171120 G96  0.0   0.1+    171121 I52  0.0   0.3-    171123 G96  0.3-  0.1+
    171120 G96  0.3-  0.0     171123 807  0.1+  0.1-    171123 G96  0.1-  0.4+
    171120 G96  0.1+  0.3+    171123 807  0.0   0.2-    171123 033  0.1+  0.2-
    171120 I52  0.2-  0.1-    171123 807  0.1+  0.3-    171123 033  0.4+  0.1+
    171120 I52  0.2-  0.2-    171123 H01  0.0   0.0     171123 033  0.2+  0.0
    171120 I52  0.1+  0.1-    171123 H01  0.0   0.0     171123 033  0.1+  0.3-
    171120 I52  0.4+  0.2+    171123 H01  0.1-  0.0     171123 033  0.3-  0.4-
    171121 H21  0.3+  0.1-    171123 H01  0.1-  0.1+    171124 G96  0.0   0.1+
    171121 H21  0.3+  0.0     171123 926  0.1-  0.1+    171124 G96  0.1-  0.0
    171121 H21  0.4+  0.2-    171123 926  0.2-  0.2+    171124 G96  0.1+  0.0
    171121 I52  0.1+  0.2+    171123 926  0.0   0.2+    171124 G96  0.3-  0.1+
    
    Ephemeris:
    2017 WP13                a,e,i = 2.36, 0.58, 3                   q = 0.9962
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 26    20 33 58.0 -33 32 12   0.09590 0.9985    89.9    84.6    21.9
    ...
    2017 11 10    01 06 31.1 -30 54 20   0.06786 1.0305   124.8    52.1    20.1
    ...
    2017 11 18    03 02 08.2 -15 28 14   0.08800 1.0615   144.5    32.7    20.2
    ...
    2017 11 24    03 45 35.7 -06 58 25   0.1145  1.0901   152.4    24.8    20.6
    2017 11 25    03 50 45.5 -05 51 37   0.1195  1.0952   153.3    23.9    20.7
    2017 11 26    03 55 29.4 -04 49 05   0.1247  1.1005   154.2    23.0    20.8
    ...
    2017 12 02    04 17 04.0 +00 13 47   0.1583  1.1342   158.0    19.0    21.2
    ...
    2017 12 10    04 34 41.4 +04 49 50   0.2094  1.1841   160.3    16.3    21.8
    ...
    2017 12 25    04 53 53.3 +10 17 03   0.3250  1.2888   156.9    17.4    23.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W139
    

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