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  • MPEC 2016-L06 : 2012 YY6

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    M.P.E.C. 2016-L06                                Issued 2016 June 2, 11:56 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
    
                                       2012 YY6
    
                               Revision to MPEC 2012-Y42
    
    Additional Observations:
         K12Y06Y 2C2016 05 29.25843111 06 52.282+03 07 56.92         22.1 RtEL006568
         K12Y06Y 2C2016 05 29.25992911 06 52.141+03 07 57.45         22.1 RtEL006568
         K12Y06Y 2C2016 05 29.26142811 06 52.004+03 07 58.00         22.1 RtEL006568
         K12Y06Y 2C2016 06 02.25535311 01 21.268+03 28 13.02         22.5 RtEL006568
         K12Y06Y 2C2016 06 02.25915211 01 20.957+03 28 13.98         22.4 RtEL006568
    
    Observer details:
    568 Mauna Kea.  Observer C. Wipper.  Measurer D. J. Tholen.  3.6-m
        Canada-France-Hawaii Telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    160529 568 0.09- 0.03-    160602 568 0.13- 0.01-    MPO254826   -0.50 day
    
    Orbital elements:
    2012 YY6                                            PHA, Earth MOID = 0.0370 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 355.28179              (2000.0)            P               Q
    n   0.52333330     Peri.  317.74521     +0.94136791     +0.33629482
    a   1.5250490      Node    22.64636     -0.28769229     +0.84203458
    e   0.6814573      Incl.    4.02997     -0.17623734     +0.42176245
    P   1.88           H   21.3           G   0.15           U   2
    Residuals in seconds of arc
    121229 F51  0.1-  0.2+    121230 I93  0.3+  0.1+    130107 H21  0.6+  0.1-
    121229 F51  0.0   0.0     121230 I93  0.0   0.1+    130107 H21  0.4+  0.0
    121229 J95  0.3+  0.1-    121230 I93  0.1-  0.5+    130108 695  0.1+  0.4+
    121229 J95  0.1-  0.5-    121231 300  0.4-  0.9-    130108 695  0.2+  0.1+
    121229 J95  0.2-  0.0     121231 300  0.4-  0.8+    130108 695  0.2+  0.3+
    121229 204  0.1+  0.0     121231 300  0.4+  0.5+    130108 291  0.1-  0.1+
    121229 204  0.0   0.1+    121231 300  0.9+  0.4+    130108 291  0.2+  0.1+
    121229 C92  0.2-  0.1+    130102 H21  0.4-  0.1-    130110 291  0.1-  0.1+
    121229 204  0.0   0.1+    130102 H21  0.4-  0.6-    130110 291  0.0   0.4+
    121229 C92  0.0   0.3-    130102 H21  0.8-  1.1-    130110 291  0.0   0.3+
    121229 C92  0.4-  0.9-    130103 204  0.4+  0.0     130112 291  0.4+  0.5+
    121230 H36  0.2-  0.0     130103 204  0.1+  0.3-    130112 291  0.1-  0.4+
    121230 H36  0.2+  0.6-    130104 291  0.1-  0.3+    130119 291  0.1+  0.1+
    121230 H36  0.4+  0.6+    130104 291  0.2-  0.1+    130119 291  0.1+  0.0
    121230 H36  0.1+  0.1+    130104 291  0.1+  0.1-    130119 291  0.3-  0.2+
    121230 C43  0.6-  0.2-    130105 H21  0.2-  0.0     130120 291  0.3+  0.1+
    121230 C43 (1.3+  2.4-)   130105 H21  0.6+  0.0     130120 291  0.0   0.1+
    121230 A24  0.4+  0.1+    130105 H21  0.2+  0.2-    130120 291  0.6-  0.3-
    121230 A24  0.5+  0.0     130106 291  0.4+  0.2+    160529 568  0.0   0.0
    121230 A24  0.0   0.3-    130106 291  0.1+  0.2+    160529 568  0.0   0.1+
    121230 595  0.7-  0.5-    130106 291  0.1+  0.4+    160529 568  0.0   0.1+
    121230 595  0.2+  0.7-    130107 H21  0.9+  0.3-    160602 568  0.0   0.1-
    121230 595  0.3-  0.2-    130107 H21  0.1-  0.3-    160602 568  0.0   0.2-
    
    Ephemeris:
    2012 YY6                 a,e,i = 1.53, 0.68, 4                   q = 0.4858
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 05 03    12 03 43.1 -01 15 37   0.6224  1.5312   138.6    25.8    22.4
    ...
    2016 05 18    11 26 44.9 +01 43 32   0.6131  1.3826   114.4    41.8    22.6
    ...
    2016 05 26    11 11 56.2 +02 47 56   0.6158  1.2976   102.9    49.6    22.7
    ...
    2016 06 01    11 03 01.0 +03 22 24   0.6173  1.2311    94.9    55.2    22.7
    2016 06 02    11 01 41.5 +03 27 07   0.6174  1.2198    93.6    56.1    22.7
    2016 06 03    11 00 24.6 +03 31 34   0.6175  1.2084    92.3    57.0    22.7
    ...
    2016 06 09    10 53 30.0 +03 53 14   0.6157  1.1388    84.8    62.6    22.8
    ...
    2016 06 17    10 45 39.4 +04 12 45   0.6065  1.0423    75.3    70.5    22.8
    ...
    2016 07 02    10 29 10.2 +04 55 02   0.5627  0.8522    56.9    89.5    22.9
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-L06
    

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