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  • MPEC 2016-W106: 2016 JG18

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    M.P.E.C. 2016-W106                               Issued 2016 Nov. 28, 14:28 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 JG18
    
                               Revision to MPEC 2016-J99
    
    Additional Observations:
         K16J18G |C2016 11 27.31478 09 44 43.93 -38 46 08.8          20.0 VuEW106807
         K16J18G |C2016 11 27.31710 09 44 43.46 -38 46 07.3          20.0 VuEW106807
         K16J18G |C2016 11 27.31939 09 44 42.94 -38 46 05.6          20.1 VuEW106807
         K16J18G |C2016 11 28.24781 09 41 21.05 -38 36 01.7          19.9 VuEW106807
         K16J18G |C2016 11 28.25048 09 41 20.46 -38 36 00.2          20.3 VuEW106807
         K16J18G |C2016 11 28.25313 09 41 19.86 -38 35 58.4          19.7 VuEW106807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    161127 807 0.07- 0.01-    161128 807 0.07- 0.01-    MPO382823   -0.031 day
    
    Orbital elements:
    2016 JG18                                                Earth MOID = 0.4194 AU
    Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
    M  48.18311              (2000.0)            P               Q
    n   0.36313586     Peri.  188.69982     +0.93299824     +0.29227476
    a   1.9457631      Node   151.40859     -0.29812216     +0.95451945
    e   0.7460253      Incl.   26.02512     -0.20158735     -0.05889043
    P   2.71           H   18.6           G   0.15           U   4
    Residuals in seconds of arc
    160501 F51  0.2-  0.1+    160509 568  0.1-  0.1+    160615 695  0.1-  0.5+
    160501 F51  0.3+  0.0     160509 568  0.1-  0.0     160615 695  0.2+  0.3+
    160501 F51  0.1+  0.1-    160509 568  0.1-  0.0     161127 807  0.1-  0.0
    160502 568  0.1-  0.1-    160511 H21  0.3-  0.1-    161127 807  0.4+  0.1+
    160502 568  0.2-  0.1-    160511 H21  0.3-  0.0     161127 807  0.3+  0.4+
    160502 568  0.1-  0.0     160511 H21  0.4-  0.3+    161128 807  0.2-  0.1-
    160505 568  0.0   0.1+    160527 291  0.2-  0.0     161128 807  0.1-  0.3-
    160505 568  0.1-  0.1+    160527 291  0.4+  0.9-    161128 807  0.3-  0.1-
    160505 568  0.0   0.1+    160615 695  0.0   0.3+
    
    Ephemeris:
    2016 JG18                a,e,i = 1.95, 0.75, 26                  q = 0.4942
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 10 29    12 06 10.9 -39 23 39   0.5020  0.6747    38.2   114.4    20.7
    ...
    2016 11 13    10 40 31.8 -40 33 19   0.5424  0.8779    62.1    84.8    20.0
    ...
    2016 11 21    10 08 02.2 -39 43 53   0.5631  0.9877    73.4    73.5    19.9
    ...
    2016 11 27    09 45 52.1 -38 49 27   0.5753  1.0687    81.8    66.0    19.9
    2016 11 28    09 42 14.2 -38 38 47   0.5772  1.0820    83.2    64.9    19.9
    2016 11 29    09 38 36.7 -38 27 37   0.5789  1.0953    84.5    63.7    19.9
    ...
    2016 12 05    09 16 49.7 -37 08 08   0.5889  1.1737    92.9    57.0    19.9
    ...
    2016 12 13    08 47 28.0 -34 41 20   0.6030  1.2752   104.3    48.4    19.8
    ...
    2016 12 28    07 54 08.5 -27 37 24   0.6478  1.4554   125.0    33.6    19.9
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-W106
    

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