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  • MPEC 2020-E11 : 2019 AR13

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    M.P.E.C. 2020-E11                                 Issued 2020 March 4, 02:30 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
    
                                    2019 AR13                                
    
    
                               Revision to MPEC 2019-B38                            
    
    Additional Observations:
         K19A13R KC2020 01 24.52490613 29 52.333-01 08 42.80         23.37GVEE011T12
         K19A13R KC2020 01 25.50215813 35 11.358-01 24 27.45         23.77GVEE011T12
         K19A13R  C2020 01 29.56560813 58 34.121-02 31 42.16         23.29GVEE011T12
         K19A13R  C2020 01 29.57655713 58 37.916-02 31 53.30         22.96GVEE011T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Fohring, D. Hung. 
        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
    200124 T12 10.8+  4.0+    200129 T12 11.4+  4.4+    MPO467354   +0.00 days
    
    Orbital elements:
    2019 AR13                                                Earth MOID = 0.0377 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M  23.00341              (2000.0)            P               Q
    n   1.01960158     Peri.  163.70750     -0.16952744     +0.98453900
    a   0.9776477      Node    96.51620     -0.90908127     -0.13894776
    e   0.1765272      Incl.    2.54309     -0.38056758     -0.10666062
    P   0.97           H   24.1           G   0.15           U   2
    Residuals in seconds of arc
    190105 F51  0.2+  0.3-    190126 291  0.1+  0.0     190211 703  0.0   0.2+
    190114 F51  0.1+  0.1+    190126 291  0.1+  0.4+    190211 703  0.2+  0.2-
    190114 F51  0.0   0.1-    190130 G96  0.6+  0.4+    190211 703  0.2+  0.1+
    190114 F51  0.0   0.0     190130 G96  0.1+  0.3-    190212 I52  0.3-  0.1-
    190114 F51  0.1+  0.0     190130 G96  0.0   0.1-    190212 I52  0.2+  0.0
    190115 691  0.1+  0.5+    190130 G96  0.1+  0.1+    190212 I52  0.4+  0.3-
    190115 691  0.1-  0.2-    190203 711  0.1-  0.1+    190212 I52  0.0   0.5-
    190117 G96  0.4-  0.2-    190203 711  0.2+  0.1-    190214 A17  0.0   0.5+
    190117 G96  0.1+  0.0     190203 711 (1.4+  2.1-)   190214 A17  0.2-  0.3+
    190117 G96  0.4-  0.7-    190206 G40  0.2-  0.3-    190214 A17  0.4-  0.3+
    190117 G96  0.1-  0.1+    190206 G40  0.1+  0.2-    190217 H21  0.1-  0.6-
    190117 I52  0.0   1.0+    190206 G40  0.2-  0.0     190217 H21  0.0   0.6+
    190117 I52  0.0   0.1+    190206 G40  0.2-  0.0     190217 H21  0.0   0.1-
    190117 I52  0.2-  0.3+    190207 G40  0.2+  0.1+    190218 695  0.2+  0.3+
    190117 I52  0.2+  0.2-    190207 G40  0.3+  0.4-    190218 695  0.0   0.4+
    190125 F52  0.0   0.4+    190207 G40  0.3-  0.0     190218 695  0.1+  0.3+
    190125 F52  0.2+  0.0     190207 G40  0.3-  0.3+    190224 204  0.1+  0.1-
    190125 F52  0.0   0.1-    190209 F51  0.0   0.0     190224 204  0.1-  0.2-
    190126 G96  0.0   0.3-    190209 F51  0.1+  0.0     190224 204  0.1+  0.2-
    190126 G96  0.1-  0.1+    190209 F51  0.1+  0.2-    200124 T12  0.1+  0.0
    190126 G96  0.1-  0.1-    190209 F51  0.1-  0.0     200125 T12  0.0   0.0
    190126 G96  0.3-  0.3+    190211 I52  0.2-  0.2-    200129 T12  0.0   0.0
    190126 G96  0.4-  0.5+    190211 I52  0.5-  0.2+    200129 T12  0.0   0.0
    190126 G96  0.3+  0.1+    190211 I52  0.3-  0.3-
    190126 291  0.0   0.4+    190211 I52  0.2-  0.3+
    
    Ephemeris:
    2019 AR13                a,e,i = 0.98, 0.18, 3                   q = 0.8051
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 02 03    14 26 38.3 -03 47 40   0.1901  1.0281    97.6    71.8    23.1
    ...
    2020 02 18    16 21 33.4 -08 01 00   0.1667  0.9841    83.8    86.5    23.2
    ...
    2020 02 26    17 29 34.7 -09 35 56   0.1693  0.9594    74.7    95.5    23.6
    ...
    2020 03 03    18 18 40.1 -10 14 41   0.1784  0.9407    68.5   101.3    23.9
    2020 03 04    18 26 29.8 -10 18 26   0.1806  0.9375    67.5   102.2    24.0
    2020 03 05    18 34 12.2 -10 21 27   0.1828  0.9344    66.6   103.0    24.0
    ...
    2020 03 11    19 17 43.2 -10 25 51   0.1996  0.9159    61.7   107.2    24.4
    ...
    2020 03 19    20 08 20.2 -10 02 04   0.2294  0.8919    57.1   110.5    24.9
    ...
    2020 04 03    21 24 38.8 -08 18 22   0.3036  0.8515    52.8   110.7    25.4
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-E11
    


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