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  • MPEC 2017-W171: 2017 WD15

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    M.P.E.C. 2017-W171                               Issued 2017 Nov. 27, 01:17 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 WD15
    
    Observations:
         K17W15D* C2017 11 24.13759 00 02 31.92 +06 27 10.5          21.1 GUEW171G96
         K17W15D  C2017 11 24.14281 00 02 31.20 +06 27 27.1          20.4 GUEW171G96
         K17W15D  C2017 11 24.14803 00 02 30.43 +06 27 44.1          21.3 GUEW171G96
         K17W15D  C2017 11 24.15325 00 02 29.77 +06 28 00.7          21.0 GUEW171G96
         K17W15D  C2017 11 24.24377 00 02 17.06 +06 32 51.4          21.4 GUEW171G96
         K17W15D  C2017 11 24.24452 00 02 17.00 +06 32 53.1                UEW171G96
         K17W15D  C2017 11 24.24528 00 02 16.89 +06 32 55.5          22.1 GUEW171G96
         K17W15D  C2017 11 24.24603 00 02 16.68 +06 32 59.4          21.3 GUEW171G96
         K17W15D  C2017 11 25.08373 00 00 45.96 +07 19 06.7          21.7 RoEW171926
         K17W15D  C2017 11 25.09093 00 00 44.94 +07 19 30.9          21.2 RoEW171926
         K17W15D  C2017 11 25.09812 00 00 43.83 +07 19 56.0          21.0 RoEW171926
         K17W15D  C2017 11 25.10807 00 00 42.49 +07 20 28.1          21.6 GUEW171G96
         K17W15D  C2017 11 25.10917 00 00 42.33 +07 20 31.4          20.9 GUEW171G96
         K17W15D  C2017 11 25.11030 00 00 42.17 +07 20 35.5          21.2 GUEW171G96
         K17W15D  C2017 11 25.11140 00 00 42.03 +07 20 38.9          20.8 GUEW171G96
         K17W15D  C2017 11 26.15272 23 58 42.68 +08 20 38.0          22.2 GUEW171V06
         K17W15D  C2017 11 26.15445 23 58 42.43 +08 20 44.2          21.1 GUEW171V06
         K17W15D  C2017 11 26.15618 23 58 42.16 +08 20 50.0          21.4 GUEW171V06
         K17W15D  C2017 11 26.15790 23 58 41.93 +08 20 56.0          21.9 GUEW171V06
    
    Observer details:
    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.  Observer 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.
    V06 Catalina Sky Survey-Kuiper.  Observer 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.  1.55-m reflector + CCD.
    
    Orbital elements:
    2017 WD15                                                Earth MOID = 0.0437 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 305.35331              (2000.0)            P               Q
    n   0.48474613     Peri.   42.05682     -0.03712312     -0.99682137
    a   1.6049438      Node    50.19514     +0.89066395     -0.06499143
    e   0.3800929      Incl.    5.26476     +0.45314413     +0.04607896
    P   2.03           H   24.3           G   0.15           U   7
    Residuals in seconds of arc
    171124 G96  0.1-  0.2+    171124 G96  1.2-  0.9+    171125 G96  0.2+  0.3-
    171124 G96  0.2+  0.0     171125 926  0.0   0.2-    171126 V06  0.3+  0.2+
    171124 G96  0.2-  0.2+    171125 926  0.0   0.4-    171126 V06  0.2+  0.3+
    171124 G96  1.0+  0.0     171125 926  1.3-  0.4+    171126 V06  0.1-  0.0
    171124 G96  0.1-  0.1+    171125 G96  0.0   0.1+    171126 V06  0.1+  0.1-
    171124 G96  0.5+  0.6-    171125 G96  0.0   0.3-
    171124 G96  0.4+  0.6-    171125 G96  0.0   0.0
    
    Ephemeris:
    2017 WD15                a,e,i = 1.60, 0.38, 5                   q = 0.9949
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 28    00 55 42.4 -06 01 49   0.1847  1.1621   153.6    22.3    22.0
    ...
    2017 11 12    00 26 13.9 -01 39 24   0.1393  1.0938   135.7    39.2    21.8
    ...
    2017 11 20    00 10 26.7 +03 06 34   0.1197  1.0629   126.0    48.8    21.6
    ...
    2017 11 26    23 59 00.8 +08 12 10   0.1064  1.0429   119.1    55.8    21.6
    2017 11 27    23 57 07.5 +09 12 08   0.1044  1.0398   118.0    56.9    21.5
    2017 11 28    23 55 14.0 +10 14 57   0.1023  1.0369   116.9    58.1    21.5
    ...
    2017 12 04    23 43 32.3 +17 37 39   0.09066 1.0211   110.6    64.6    21.4
    ...
    2017 12 12    23 24 54.5 +30 51 06   0.07790 1.0055   103.4    72.3    21.3
    ...
    2017 12 27    22 03 53.1 +64 30 26   0.06904 0.9950    97.6    78.4    21.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W171
    

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