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  • MPEC 2017-W137: 2017 WN13

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    M.P.E.C. 2017-W137                               Issued 2017 Nov. 25, 00:01 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 WN13
    
    Observations:
         K17W13N* C2017 11 20.24519 02 12 28.52 -09 43 41.2          20.9 GUEW137G96
         K17W13N  C2017 11 20.25046 02 12 28.72 -09 43 24.6          20.3 GUEW137G96
         K17W13N  C2017 11 20.25569 02 12 28.87 -09 43 07.4                UEW137G96
         K17W13N  C2017 11 20.26096 02 12 29.03 -09 42 50.2          20.7 GUEW137G96
         K17W13N  C2017 11 20.29075 02 12 29.96 -09 41 15.8          20.2 GUEW137I52
         K17W13N  C2017 11 20.29151 02 12 30.03 -09 41 12.8          20.5 GUEW137I52
         K17W13N  C2017 11 20.29227 02 12 30.09 -09 41 10.8          20.1 GUEW137I52
         K17W13N  C2017 11 20.29303 02 12 30.10 -09 41 07.6          20.4 GUEW137I52
         K17W13N  C2017 11 20.29512302 12 30.05 -09 41 02.1          20.1 GUEW137H01
         K17W13N  C2017 11 20.29938402 12 30.19 -09 40 48.4          20.0 GUEW137H01
         K17W13N  C2017 11 20.30962402 12 30.54 -09 40 15.6          20.5 GUEW137H01
         K17W13N  C2017 11 20.31675402 12 30.78 -09 39 52.8          21.1 GUEW137H01
         K17W13N  C2017 11 21.24510 02 13 14.76 -08 52 50.7          20.7 GUEW137I52
         K17W13N  C2017 11 21.24634 02 13 14.83 -08 52 46.8          20.2 GUEW137I52
         K17W13N  C2017 11 21.24760 02 13 14.84 -08 52 43.6          20.5 GUEW137I52
         K17W13N KC2017 11 22.52276 02 14 09.92 -07 53 37.5          20.6 RUEW137474
         K17W13N KC2017 11 22.52570 02 14 10.02 -07 53 29.8          20.7 RUEW137474
         K17W13N KC2017 11 22.52864 02 14 10.11 -07 53 22.2          20.4 RUEW137474
         K17W13N KC2017 11 22.53158 02 14 10.21 -07 53 14.5          20.5 RUEW137474
         K17W13N  C2017 11 23.22981 02 14 40.41 -07 24 45.5          22.8 GUEW137G96
         K17W13N  C2017 11 23.23210 02 14 40.46 -07 24 40.2          21.3 GUEW137G96
         K17W13N  C2017 11 23.23439 02 14 40.51 -07 24 34.6          21.9 GUEW137G96
         K17W13N  C2017 11 23.23668 02 14 40.59 -07 24 28.9          20.8 GUEW137G96
         K17W13N  C2017 11 24.20587 02 15 20.52 -06 46 32.5          21.3 GUEW137G96
         K17W13N  C2017 11 24.20754 02 15 20.60 -06 46 28.5          21.7 GUEW137G96
         K17W13N  C2017 11 24.21150 02 15 20.67 -06 46 18.8          22.1 GUEW137G96
         K17W13N  C2017 11 24.21310 02 15 20.65 -06 46 15.4                UEW137G96
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + 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.
    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 WN13                                                Earth MOID = 0.0093 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 354.03115              (2000.0)            P               Q
    n   0.62590887     Peri.   99.26646     +0.45907289     +0.88769228
    a   1.3535116      Node   198.18923     -0.85313316     +0.42937787
    e   0.6092481      Incl.    6.51510     -0.24782229     +0.16624398
    P   1.57           H   22.7           G   0.15           U   8
    Residuals in seconds of arc
    171120 G96  0.2-  0.1+    171120 H01  0.1+  0.0     171122 474  0.1+  0.1+
    171120 G96  0.2+  0.2-    171120 H01  0.1+  0.0     171123 G96  0.3+  0.1+
    171120 G96  0.0   0.2+    171120 H01  0.0   0.0     171123 G96  0.1+  0.2-
    171120 G96  0.2-  0.5+    171121 I52  0.2-  0.1-    171123 G96  0.1-  0.2-
    171120 I52  0.8-  0.5-    171121 I52  0.3+  0.2+    171123 G96  0.1+  0.1-
    171120 I52  0.2-  0.1+    171121 I52  0.1-  0.2-    171124 G96  0.0   0.4-
    171120 I52  0.4+  0.4-    171122 474  0.0   0.0     171124 G96  0.5+  0.2-
    171120 I52  0.1+  0.4+    171122 474  0.1+  0.1+    171124 G96  0.1-  0.5+
    171120 H01  0.2+  0.1-    171122 474  0.0   0.1+    171124 G96  1.0-  0.3+
    
    Ephemeris:
    2017 WN13                a,e,i = 1.35, 0.61, 7                   q = 0.5289
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 26    14 38 34.8 -26 57 54   0.1163  0.8837    17.0   160.8    29.0
    ...
    2017 11 10    01 55 54.7 -29 30 47   0.08845 1.0504   130.9    45.4    19.3
    ...
    2017 11 18    02 10 32.5 -11 58 31   0.1774  1.1350   142.8    31.8    20.6
    ...
    2017 11 24    02 15 11.9 -06 54 01   0.2503  1.1961   142.7    30.0    21.4
    2017 11 25    02 15 51.9 -06 17 10   0.2628  1.2061   142.4    29.9    21.5
    2017 11 26    02 16 31.2 -05 42 55   0.2754  1.2160   142.1    29.9    21.6
    ...
    2017 12 02    02 20 21.9 -02 56 30   0.3528  1.2743   139.3    30.3    22.3
    ...
    2017 12 10    02 25 46.0 -00 15 42   0.4612  1.3485   134.4    31.4    23.0
    ...
    2017 12 25    02 37 57.4 +03 25 55   0.6800  1.4775   124.3    33.4    24.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W137
    

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