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  • MPEC 2019-U04 : 2019 AS9

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    M.P.E.C. 2019-U04                              Issued 2019 October 16, 15:35 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 AS9                                 
    
    
                               Revision to MPEC 2019-A194                           
    
    Additional Observations:
         K19A09S  C2016 06 07.57065422 44 21.373+12 49 49.23         22.7 GVEU004F51
         K19A09S  C2016 06 07.57991822 44 22.718+12 49 41.90         22.7 GVEU004F51
         K19A09S  C2016 06 07.58928022 44 24.087+12 49 34.18         22.2 GVEU004F51
         K19A09S  C2016 06 07.59862822 44 25.454+12 49 26.22         23.1 GVEU004F51
         K19A09S  C2016 06 10.57859922 51 51.885+12 05 14.85         22.2 GVEU004F51
         K19A09S  C2016 06 10.59615722 51 54.448+12 04 58.27         22.7 GVEU004F51
         K19A09S  C2016 06 10.60495622 51 55.757+12 04 50.16         23.1 GVEU004F51
         K19A09S  C2016 08 09.58728601 39 22.799-33 39 23.98         21.0 GVEU004F51
         K19A09S  C2016 08 09.59722401 39 24.472-33 40 04.77         21.0 GVEU004F51
         K19A09S  C2016 08 09.60712801 39 26.125-33 40 45.03         21.2 GVEU004F51
    
    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 (or two decimals in degrees), reference and Delta-T
    160607 F51 0.03- 0.02-    160809 F51 0.04- 0.01-    MPO467343   -0.02 days
    
    Orbital elements:
    2019 AS9                                                 Earth MOID = 0.2850 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
    M 250.28474              (2000.0)            P               Q
    n   0.58724709     Peri.  169.54959     +0.53776294     +0.71050980
    a   1.4122843      Node   131.12607     -0.81047145     +0.58395964
    e   0.0804584      Incl.   37.05069     -0.23226504     -0.39264102
    P   1.68           H   20.8           G   0.15           U   2
    Residuals in seconds of arc
    160607 F51  0.1-  0.1-    190109 807  0.4-  0.1-    190126 V06  0.0   0.0
    160607 F51  0.1-  0.2+    190109 W87  0.0   0.2-    190203 711  0.5-  0.0
    160607 F51  0.0   0.2+    190109 W87  0.1+  0.0     190203 711  0.1-  0.7-
    160607 F51  0.1+  0.0     190109 807  0.0   0.1+    190203 711  0.4-  0.7+
    160610 F51  0.0   0.2-    190109 568  0.0   0.1-    190208 I52  0.4-  0.3-
    160610 F51  0.1-  0.2-    190109 568  0.0   0.1-    190208 I52  0.2-  0.4-
    160610 F51  0.2+  0.0     190109 568  0.0   0.1-    190208 I52 (0.1+  3.2-)
    160809 F51  0.0   0.0     190112 807  0.3-  0.0     190208 I52  0.4-  0.4+
    160809 F51  0.1+  0.1-    190112 807  0.1-  0.1-    190306 H21  0.0   0.8+
    160809 F51  0.0   0.1+    190112 807  0.1+  0.4-    190306 H21  0.2-  0.1-
    190108 F51  0.1+  0.1-    190112 291  0.2+  0.2+    190306 H21  0.2-  0.5-
    190108 F51  0.1+  0.2-    190112 291  0.2+  0.0     190307 V06  0.1+  0.1-
    190108 F51  0.1-  0.1+    190112 291  0.1-  1.0+    190307 V06  0.3+  0.0
    190108 F51  0.2+  0.1+    190126 V06 (0.9+  2.3-)   190312 H21  0.6+  0.1+
    190109 807  0.1-  0.1+    190126 V06  0.0   0.1-    190312 H21  0.5+  0.1+
    190109 W87  0.1+  0.1-    190126 V06  0.3-  0.1+    190312 H21  1.0+  0.4+
    
    Ephemeris:
    2019 AS9                 a,e,i = 1.41, 0.08, 37                  q = 1.2987
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 09 16    15 35 12.0 +02 05 46   1.4720  1.3125    60.6    41.9    23.9
    ...
    2019 10 01    16 17 01.9 -05 45 39   1.5332  1.3049    57.5    40.3    23.9
    ...
    2019 10 09    16 40 06.6 -09 37 22   1.5715  1.3020    55.6    39.3    23.9
    ...
    2019 10 15    16 57 48.0 -12 19 49   1.6023  1.3004    54.2    38.4    23.9
    2019 10 16    17 00 46.9 -12 45 52   1.6076  1.3002    53.9    38.3    23.9
    2019 10 17    17 03 46.3 -13 11 37   1.6130  1.3000    53.7    38.1    23.9
    ...
    2019 10 23    17 21 55.6 -15 39 31   1.6457  1.2991    52.1    37.2    24.0
    ...
    2019 10 31    17 46 42.1 -18 38 18   1.6907  1.2987    50.0    35.9    24.0
    ...
    2019 11 15    18 34 50.6 -23 12 48   1.7764  1.3003    46.0    33.2    24.0
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-U04
    


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