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  • MPEC 2016-W28 : 2016 WR

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    M.P.E.C. 2016-W28                                Issued 2016 Nov. 21, 14:55 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
    
                                        2016 WR
    
    Observations:
         K16W00R* C2016 11 18.37061 03 20 48.67 +15 53 01.5          21.2 VqEW028G96
         K16W00R  C2016 11 18.37491 03 20 46.17 +15 53 01.5          20.6 VqEW028G96
         K16W00R  C2016 11 18.37927 03 20 43.63 +15 53 03.7          20.5 VqEW028G96
         K16W00R  C2016 11 18.38356 03 20 41.08 +15 53 04.5          19.8 VqEW028G96
         K16W00R  C2016 11 18.40728 03 20 27.43 +15 53 09.0          20.8 VqEW028G96
         K16W00R  C2016 11 18.40960 03 20 26.11 +15 53 09.2          22.0 VqEW028G96
         K16W00R  C2016 11 18.41075 03 20 25.40 +15 53 09.0          20.4 VqEW028G96
         K16W00R  C2016 11 19.13412 03 14 31.26 +15 56 49.9          20.7 RoEW028926
         K16W00R  C2016 11 19.13782 03 14 29.36 +15 56 51.5          20.5 RoEW028926
         K16W00R  C2016 11 19.14154 03 14 27.41 +15 56 53.1          20.9 RoEW028926
         K16W00R "C2016 11 19.29110003 13 08.31 +15 57 40.0          20.6 RtEW028705
         K16W00R "C2016 11 19.29211603 13 07.65 +15 57 40.2          20.4 RtEW028705
         K16W00R "C2016 11 19.29313403 13 07.18 +15 57 40.5          20.5 RtEW028705
         K16W00R  C2016 11 20.21552103 06 21.60 +16 00 56.2          22.2 VUEW028H01
         K16W00R  C2016 11 20.22359203 06 17.86 +16 00 58.2          22.3 VUEW028H01
         K16W00R  C2016 11 20.23223003 06 13.85 +16 01 00.1          21.4 VUEW028H01
         K16W00R  C2016 11 20.24063603 06 09.96 +16 01 01.9          20.8 VUEW028H01
         K16W00R KC2016 11 20.28771903 05 46.00 +16 00 55.5          21.1 VuEW028H21
         K16W00R KC2016 11 20.29420703 05 43.09 +16 00 55.7          21.2 VuEW028H21
         K16W00R KC2016 11 20.30370203 05 38.83 +16 00 56.4          21.0 VuEW028H21
         K16W00R  C2016 11 20.37392 03 05 09.50 +16 01 23.6          21.0 VqEW028G96
         K16W00R  C2016 11 20.37635 03 05 08.33 +16 01 22.9          21.7 VqEW028G96
         K16W00R  C2016 11 20.37762 03 05 07.82 +16 01 23.3                qEW028G96
         K16W00R "C2016 11 21.30186302 59 15.46 +16 03 43.8          21.8 RtEW028705
         K16W00R "C2016 11 21.30288102 59 15.02 +16 03 44.1          21.5 RtEW028705
    
    Observer details:
    705 Apache Point.  Observers K. Nault, M. Hammergren, M. Brucker.  Measurer
        K. Nault.  3.5-m f/10 reflector + 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.  Observer G. J. Leonard.  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.  0.76-m f/3.0
        astrograph + CCD.
    
    Orbital elements:
    2016 WR                                                  Earth MOID = 0.0089 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M 211.22987              (2000.0)            P               Q
    n   1.13877792     Peri.  220.19351     +0.18116711     +0.98305477
    a   0.9081899      Node    60.26117     -0.89383168     +0.17644907
    e   0.2815122      Incl.    1.84536     -0.41017484     +0.04968959
    P   0.87           H   26.5           G   0.15           U   8
    Residuals in seconds of arc
    161118 G96  0.1-  0.3+    161119 926  0.1-  0.3+    161120 H21  0.5-  0.2-
    161118 G96  0.1+  0.7-    161119 705  1.1+  0.1-    161120 H21  0.3-  0.2-
    161118 G96  0.1+  0.5+    161119 705  0.7-  0.1-    161120 G96  1.1+  0.7+
    161118 G96  0.6-  0.3+    161119 705  0.2+  0.0     161120 G96  0.2-  0.1-
    161118 G96  0.2+  0.1-    161120 H01  0.2-  0.2-    161120 G96  0.6+  0.2+
    161118 G96  0.4+  0.3-    161120 H01  0.2-  0.1-    161121 705  0.3+  0.3-
    161118 G96  0.4-  0.7-    161120 H01  0.3-  0.1-    161121 705  0.1-  0.1-
    161119 926  0.2+  0.3+    161120 H01  0.2-  0.1-
    161119 926  0.3+  0.3+    161120 H21  0.7-  0.2+
    
    Ephemeris:
    2016 WR                  a,e,i = 0.91, 0.28, 2                   q = 0.6525
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 10 22    12 01 05.3 -12 01 17   0.07745 0.9261    26.0   151.9    29.6
    ...
    2016 11 06    08 08 14.2 +02 48 29   0.02827 0.9964    99.7    78.7    21.5
    ...
    2016 11 14    04 15 53.8 +14 54 02   0.04155 1.0296   165.6    13.8    20.4
    ...
    2016 11 20    03 07 50.8 +16 00 58   0.06504 1.0523   171.0     8.4    21.3
    2016 11 21    03 01 09.2 +16 03 42   0.06938 1.0559   168.5    10.7    21.5
    2016 11 22    02 55 16.8 +16 05 37   0.07379 1.0595   166.2    12.8    21.7
    ...
    2016 11 28    02 31 57.3 +16 11 05   0.1018  1.0795   154.8    22.9    22.8
    ...
    2016 12 06    02 18 45.7 +16 21 54   0.1421  1.1031   143.7    31.9    23.8
    ...
    2016 12 21    02 17 41.7 +17 12 11   0.2243  1.1370   128.5    42.6    25.2
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-W28
    

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