• MPC Preparation (Info)

  • MPEC 2018-U73 : 2016 YZ

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    M.P.E.C. 2018-U73                                Issued 2018 Oct. 26, 23:26 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 YZ
    
                               Revision to MPEC 2016-Y38
    
    Additional Observations:
         K16Y00Z  C2018 09 15.59827202 48 23.938+34 16 33.59         24.40GVEU073T12
         K16Y00Z  C2018 09 15.61079002 48 24.046+34 16 44.40         24.20GVEU073T12
         K16Y00Z  C2018 09 15.62032902 48 24.121+34 16 52.86         24.05GVEU073T12
         K16Y00Z  C2018 10 04.45424502 43 52.902+38 49 05.83         23.87GVEU073T12
         K16Y00Z  C2018 10 04.46309502 43 52.472+38 49 13.11         23.88GVEU073T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung, D. Fohring.
        Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180915 T12 26.8-  8.6-    181004 T12 35.0- 12.6-    MPO409573   +0.014 day
    
    Orbital elements:
    2016 YZ                                             PHA, Earth MOID = 0.0118 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  15.83333              (2000.0)            P               Q
    n   0.46702243     Peri.  188.57569     -0.89193019     -0.43523767
    a   1.6452967      Node   324.79130     +0.42645155     -0.71955099
    e   0.3945975      Incl.   12.27636     +0.15033166     -0.54112342
    P   2.11           H   21.4           G   0.15           U   1
    Residuals in seconds of arc
    161218 G96  0.5+  0.6+    161221 B15  0.8-  1.4+    170124 T12  0.2-  0.0
    161218 G96  0.2+  0.7-    161221 B15  0.8-  0.8+    170124 T12  0.2-  0.0
    161218 G96  0.5+  0.1-    161221 B15  0.7-  0.5+    170125 J04  0.1-  0.1+
    161218 G96  0.1-  0.2-    161221 B15  0.6-  0.6+    170125 J04  0.1-  0.2+
    161218 G96  0.0   0.1-    161222 033  0.2+  0.1-    170125 J04  0.2-  0.0
    161218 G96  0.5+  0.4+    161222 033  0.1+  0.2-    170201 807  0.1-  0.2-
    161218 G96  0.3-  0.2-    161222 033  0.1-  0.0     170201 807  0.0   0.2-
    161218 G96  0.2-  0.5+    161227 I52  0.3-  0.2-    170201 807  0.1-  0.2-
    161219 G96  0.3+  0.1-    161227 I52  0.3-  0.1-    170211 695  0.1+  0.6+
    161219 G96  0.2-  0.1+    161227 I52  0.0   0.5-    170211 695  0.3+  0.1+
    161219 G96  0.7+  0.2+    161227 I52  0.4-  0.2-    170425 474  0.2-  0.2+
    161219 G96  1.1+  0.4-    170104 I52  0.2-  0.5-    170425 474  0.0   0.2+
    161221 H01  0.0   0.0     170104 I52  0.2+  0.3-    170425 474  0.5+  0.0
    161221 H01  0.1-  0.1-    170104 I52  0.5+  0.1-    180915 T12  0.0   0.1+
    161221 H01  0.1-  0.1-    170104 I52  0.4+  0.0     180915 T12  0.1+  0.0
    161221 H01  0.0   0.2-    170104 T12  0.1-  0.1-    180915 T12  0.0   0.1+
    161221 033  0.1+  0.1+    170104 T12  0.0   0.2-    181004 T12  0.1-  0.1+
    161221 033  0.0   0.1+    170104 T12  0.0   0.1-    181004 T12  0.0   0.1-
    161221 033  0.3+  0.3+    170124 T12  0.2-  0.0
    
    Ephemeris:
    2016 YZ                  a,e,i = 1.65, 0.39, 12                  q = 0.9961
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 09 26    02 48 09.1 +36 48 41   1.0129  1.8181   128.8    25.4    23.9
    ...
    2018 10 11    02 37 34.1 +40 15 29   0.8562  1.7465   140.6    21.3    23.3
    ...
    2018 10 19    02 26 01.9 +41 45 22   0.7870  1.7065   146.0    19.0    23.0
    ...
    2018 10 25    02 14 43.8 +42 35 19   0.7428  1.6757   149.1    17.8    22.8
    2018 10 26    02 12 39.0 +42 41 48   0.7361  1.6705   149.4    17.6    22.8
    2018 10 27    02 10 31.1 +42 47 41   0.7295  1.6653   149.8    17.5    22.7
    ...
    2018 11 02    01 56 51.1 +43 09 35   0.6944  1.6336   150.7    17.3    22.6
    ...
    2018 11 10    01 37 25.9 +42 59 09   0.6586  1.5905   148.7    18.9    22.5
    ...
    2018 11 25    01 05 23.4 +40 45 56   0.6224  1.5071   137.8    26.1    22.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-U73
    

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