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  • MPEC 2019-A223: 2016 UT80

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    M.P.E.C. 2019-A223                               Issued 2019 Jan. 14, 03:14 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 UT80
    
                               Revision to MPEC 2016-V04
    
    Additional Observations:
         K16U80T  C2013 10 04.52881902 01 49.562-04 16 25.55         21.4 GVEA223F51
         K16U80T  C2013 10 10.43612801 55 46.584-05 13 06.61         21.3 GVEA223F51
         K16U80T  C2013 10 10.45012601 55 45.610-05 13 14.44         20.9 GVEA223F51
         K16U80T  C2013 10 25.35175001 37 07.171-07 18 47.92         21.3 GVEA223F51
         K16U80T  C2014 02 28.24062702 55 08.165+14 23 51.85         22.0 GVEA223F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
        E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    131004 F51 17.2-  6.5-    140228 F51 11.7-  6.7-    MPO409570   -0.0084 day
    
    Orbital elements:
    2016 UT80                                                Earth MOID = 0.2143 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 257.25584              (2000.0)            P               Q
    n   0.33744999     Peri.   30.46098     -0.71053834     -0.68968018
    a   2.0432889      Node   105.23815     +0.61291113     -0.70403414
    e   0.4190842      Incl.    8.31665     +0.34565186     -0.16934337
    P   2.92           H   19.0           G   0.15           U   2
    Residuals in seconds of arc
    131004 F51  0.2+  0.2-    161101 I93  0.4+  0.4-    161129 807  0.2+  0.2+
    131010 F51  0.1+  0.1-    161103 474  0.6+  0.8-    161129 807  0.3+  0.3+
    131010 F51  0.1+  0.0     161103 474  0.7+  0.3-    161129 807  0.1+  0.6+
    131025 F51  0.0   0.0     161103 474  0.2-  0.3-    161130 807  0.1+  0.3+
    140228 F51  0.3-  0.4-    161104 H21  0.3-  0.3-    161130 807  0.5+  0.1+
    161029 G96  0.1+  0.1-    161104 H21  0.2-  0.1+    161202 G96  0.1+  0.3+
    161029 G96  0.0   0.2-    161104 H21  0.4+  0.4-    161202 G96  0.2+  0.2+
    161029 G96  0.1+  0.0     161107 H21  0.4+  0.2+    161202 G96  0.3+  0.5+
    161029 G96  0.2-  0.4-    161107 H21  0.3+  0.1+    161220 807  0.1+  0.5-
    161029 G96  0.3+  0.1+    161107 807  0.1-  0.1-    161220 807  0.0   0.2-
    161029 G96  0.0   0.0     161107 807  0.2-  0.1+    161220 807  0.1+  0.0
    161029 G96  0.1+  1.1+    161107 H21  0.1+  0.2-    161221 H21  0.0   0.4-
    161030 I52  0.7-  0.0     161107 807  0.0   0.1-    161221 H21  0.0   0.1-
    161030 I52  0.2-  0.7+    161107 F51  0.1+  0.0     161221 H21  0.2+  0.4-
    161030 I52  1.2-  0.1-    161107 F51  0.3+  0.1+    161229 807  0.0   0.1-
    161030 I52  0.5-  0.0     161107 F51  0.1-  0.2+    161229 807  0.3+  0.1+
    161030 691  0.5-  0.4+    161111 H21  0.1+  1.2+    161229 807  0.1+  0.1+
    161030 691  0.2-  0.5+    161111 H21  0.1+  0.2+    170123 F51  0.1+  0.0
    161030 691  0.7-  0.3-    161118 807  0.0   0.2-    170123 F51  0.0   0.1+
    161031 474  0.9+  0.3-    161118 807  0.0   0.1-    170123 F51  0.1+  0.1+
    161031 474  1.0+  0.1+    161118 807  0.0   0.2-    170123 F51  0.1+  0.0
    161031 474  0.4+  0.3-    161120 H21  0.6+  1.3-    170223 T12  0.2+  0.3+
    161031 595  0.0   0.2+    161120 H21  0.3-  1.0-    170223 T12  0.2+  0.2+
    161031 595  1.0+  0.2+    161120 691  0.4-  0.3+    170416 926  0.3+  0.2+
    161101 I93  0.3+  0.1+    161120 691  0.8-  0.1-    170416 926  0.5+  0.3-
    161101 595  0.3+  0.6-    161120 691  0.0   0.3-    170416 926  0.3-  0.0
    
    Ephemeris:
    2016 UT80                a,e,i = 2.04, 0.42, 8                   q = 1.1870
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 12 15    21 13 22.8 -21 19 21   3.3325  2.8315    51.8    15.9    24.7
    ...
    2018 12 30    21 33 06.8 -19 46 34   3.4685  2.8086    41.5    13.4    24.7
    ...
    2019 01 07    21 44 08.5 -18 52 18   3.5280  2.7949    36.2    12.0    24.7
    ...
    2019 01 13    21 52 35.6 -18 09 32   3.5662  2.7840    32.2    10.9    24.7
    2019 01 14    21 54 00.9 -18 02 15   3.5721  2.7822    31.6    10.7    24.7
    2019 01 15    21 55 26.5 -17 54 55   3.5777  2.7803    30.9    10.5    24.7
    ...
    2019 01 21    22 04 03.7 -17 09 59   3.6084  2.7687    27.1     9.3    24.6
    ...
    2019 01 29    22 15 43.1 -16 07 43   3.6403  2.7524    22.0     7.7    24.6
    ...
    2019 02 13    22 37 59.0 -14 04 31   3.6717  2.7192    13.1     4.7    24.4
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-A223
    

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