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  • MPEC 2016-R69 : 2012 EZ11

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    M.P.E.C. 2016-R69                                Issued 2016 Sept. 6, 16:15 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 EZ11
    
                               Revision to MPEC 2012-F13
    
    Additional Observations:
         K12E11Z 2C2016 09 05.45940600 45 03.836+00 36 15.99         21.4 RtER069568
         K12E11Z 2C2016 09 05.46044100 45 03.839+00 36 13.52         21.5 RtER069568
         K12E11Z 2C2016 09 05.46147500 45 03.843+00 36 11.11         21.4 RtER069568
         K12E11Z 2C2016 09 05.46561300 45 03.855+00 36 01.30         21.4 RtER069568
         K12E11Z 2C2016 09 05.46670600 45 03.862+00 35 58.71         21.4 RtER069568
         K12E11Z 2C2016 09 05.46774000 45 03.866+00 35 56.30         21.3 RtER069568
         K12E11Z 2C2016 09 06.40466500 45 13.779-00 01 27.55         21.2 RtER069568
         K12E11Z 2C2016 09 06.40569800 45 13.782-00 01 30.07         21.0 RtER069568
         K12E11Z 2C2016 09 06.40673200 45 13.785-00 01 32.53         21.0 RtER069568
    
    Observer details:
    568 Mauna Kea.  Observer P. Forshay.  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
    160905 568 0.58+ 0.04+    160906 568 0.59+ 0.05+    MPO230288   -0.35 day
    
    Orbital elements:
    2012 EZ11                                                Earth MOID = 0.2741 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 261.33238              (2000.0)            P               Q
    n   0.57112523     Peri.  285.20003     -0.06956047     -0.99518679
    a   1.4387384      Node   168.12798     +0.99450305     -0.07460830
    e   0.2050471      Incl.   19.60440     +0.07826259     +0.06353629
    P   1.73           H   21.6           G   0.15           U   3
    Residuals in seconds of arc
    120314 G96  0.3+  0.6+    120316 H01  0.1+  0.2-    120412 H21  0.2+  0.2-
    120314 G96  0.6+  0.1+    120316 H01  0.0   0.1-    120412 H21  0.8+  0.1+
    120314 G96  0.6+  0.2-    120316 G96  0.2-  0.1-    120412 H21  0.4+  0.3-
    120314 G96  0.0   0.5-    120316 G96  0.2-  0.2+    160905 568  0.0   0.0
    120314 G96  0.3-  0.2+    120316 G96  1.2-  0.2+    160905 568  0.0   0.0
    120314 G96  0.6+  0.5+    120316 G96  0.6-  0.0     160905 568  0.0   0.0
    120315 H01  0.1+  0.1+    120328 291  0.3-  0.0     160905 568  0.1-  0.0
    120315 H01  0.2+  0.1+    120328 291  0.3-  0.3+    160905 568  0.0   0.0
    120315 H01  0.4+  0.0     120328 291  0.1+  0.1-    160905 568  0.0   0.0
    120315 H01  0.2+  0.2+    120329 291  0.1+  0.1-    160906 568  0.0   0.0
    120316 H01  0.1+  0.2-    120329 291  0.2-  0.1-    160906 568  0.0   0.0
    120316 H01  0.0   0.2-    120329 291  0.2-  0.1+    160906 568  0.0   0.1+
    
    Ephemeris:
    2012 EZ11                a,e,i = 1.44, 0.21, 20                  q = 1.1437
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 08 07    00 25 14.3 +12 03 47   0.7017  1.5199   123.7    33.7    23.1
    ...
    2016 08 22    00 38 36.3 +08 03 20   0.5683  1.4785   137.0    27.8    22.5
    ...
    2016 08 30    00 43 05.0 +04 25 52   0.5076  1.4555   145.2    23.3    22.0
    ...
    2016 09 05    00 44 58.1 +00 54 21   0.4684  1.4380   151.7    19.4    21.7
    2016 09 06    00 45 09.2 +00 14 57   0.4625  1.4351   152.8    18.7    21.7
    2016 09 07    00 45 18.1 -00 25 37   0.4568  1.4321   153.9    18.0    21.6
    ...
    2016 09 13    00 45 24.7 -04 52 21   0.4266  1.4143   159.9    14.2    21.3
    ...
    2016 09 21    00 43 34.1 -11 38 48   0.3983  1.3904   163.4    11.9    21.0
    ...
    2016 10 06    00 35 31.8 -24 52 27   0.3836  1.3454   149.9    21.9    21.2
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-R69
    

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