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  • MPEC 2023-Q24 : 2019 JK1

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    M.P.E.C. 2023-Q24                               Issued 2023 August 19, 14:07 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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 JK1                                 
    
    
                               Revision to MPEC 2019-J36                            
    
    Additional Observations:
         K19J01K  C2023 07 12.50971221 32 58.732-12 36 58.38         22.40GVEQ024F52
         K19J01K  C2023 07 22.52034521 19 57.872-13 14 25.13         22.39GVEQ024F51
         K19J01K  C2023 07 22.53130821 19 56.838-13 14 28.22         22.83GVEQ024F51
         K19J01K  C2023 07 25.43394721 15 20.429-13 28 13.98         22.40GVEQ024F51
         K19J01K  C2023 08 06.51243920 52 34.912-14 35 38.08         22.36GVEQ024F51
         K19J01K 0C2023 08 17.42655620 28 40.208-15 41 57.83         22.04GVEQ024T14
         K19J01K 0C2023 08 17.42753320 28 40.072-15 41 58.17         21.89GVEQ024T14
         K19J01K 0C2023 08 17.42850820 28 39.937-15 41 58.52         21.81GVEQ024T14
         K19J01K  C2023 08 18.31997820 26 40.110-15 47 13.92         22.40GVEQ024F52
         K19J01K  C2023 08 18.33146320 26 38.545-15 47 18.52         21.96GVEQ024F52
         K19J01K  C2023 08 18.34295620 26 36.962-15 47 22.41         21.38GVEQ024F52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, P.
        Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M.
        Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien +
        CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
        Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    T14 Canada-France-Hawaii Telescope, Maunakea.  Observer H. Januszewski.
        Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
        Megacam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230712 F52 0.09- 0.04-    230818 F52 0.08- 0.04-    MPO750185   -0.11 days
    
    Orbital elements:
    2019 JK1                                                 Earth MOID = 0.0761 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 313.20443              (2000.0)            P               Q                  
    n   0.40967186     Peri.  163.59772     -0.16476774     -0.98297903             
    a   1.7954720      Node   295.82573     +0.89449923     -0.11420320             
    e   0.7488280      Incl.    5.17977     +0.41559923     -0.14390920             
    P   2.41           H   19.98          G   0.15           U   2                  
    Residuals in seconds of arc
    190502 G96  0.3-  0.1+    190506 I52  0.0   0.1+    190525 691  0.7-  0.3+
    190502 G96  0.4+  0.0     190506 204  0.1-  0.3+    190525 691  0.7+  0.4-
    190502 G96  0.0   0.0     190506 204  0.5+  0.5+    190525 691  0.1+  0.2+
    190502 G96  0.1-  0.1+    190508 I52  0.2+  0.5-    190526 691  0.2+  0.0
    190502 G96  0.2+  0.1+    190508 I52  0.4+  0.1-    190526 691  0.2-  0.2-
    190502 I52  0.3-  0.1-    190508 I52  0.0   0.2+    190526 691  0.5-  0.2+
    190502 I52  0.2-  0.6+    190508 691  0.4-  0.4-    190601 I52  0.3-  0.2+
    190502 I52  0.0   0.3-    190508 691  0.3-  0.2-    190601 I52  0.2-  0.2+
    190502 I52  0.0   0.3+    190508 691  0.2-  1.1+    190601 I52  0.0   0.1-
    190502 474  0.2+  0.2-    190509 807  0.0   0.1+    190601 I52  0.6-  0.1+
    190502 474  0.3+  0.0     190509 807  0.2+  0.1+    190626 807  0.1+  0.2+
    190502 474  0.3+  0.0     190509 807  0.2+  0.0     190626 807  0.2+  0.0
    190502 474  0.3+  0.0     190509 691  0.2+  0.4+    190626 807  0.2+  0.1+
    190502 807  0.1+  0.1+    190509 691  0.2+  0.1+    190630 F51  0.1-  0.4+
    190502 807  0.0   0.1+    190509 691  0.4+  0.1-    190630 F51  0.0   0.2+
    190503 V01  0.9-  0.7-    190511 691  0.4+  0.5+    230712 F52  0.5-  0.0
    190503 V01  0.3+  0.1-    190511 691  0.6+  0.9-    230722 F51  0.0   0.2+
    190504 I52  0.2+  0.1-    190511 691  0.3+  0.1-    230722 F51  0.0   0.0
    190504 I52  0.0   0.0     190511 807  0.1+  0.1+    230725 F51  0.2-  0.5+
    190504 I52  0.2+  0.1+    190511 807  0.0   0.0     230806 F51  0.0   0.1+
    190504 I52  0.2-  0.3-    190511 807  0.0   0.1-    230817 T14  0.0   0.1-
    190504 V01  0.5-  1.0-    190521 807  0.0   0.2+    230817 T14  0.0   0.0
    190504 V01  0.1-  0.5-    190521 807  0.1-  0.1+    230817 T14  0.0   0.1-
    190504 V01  0.9-  0.1-    190521 807  0.1-  0.1-    230818 F52  0.3-  0.2+
    190506 I52  0.2+  0.1+    190524 691  0.4-  0.0     230818 F52  0.0   0.3-
    190506 I52  0.2-  0.1+    190524 691  0.2+  0.0     230818 F52  0.1+  0.1-
    190506 I52  0.2-  0.2-    190524 691  0.3+  0.2-
    
    Ephemeris:
    2019 JK1                 a,e,i = 1.80, 0.75, 5                   q = 0.4510
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 07 20    21 23 40.1 -13 03 24   1.2764  2.2491   157.5    10.0    22.9
    ...
    2023 08 04    20 57 44.3 -14 20 33   1.1225  2.1364   176.8     1.5    22.1
    ...
    2023 08 12    20 40 47.1 -15 09 03   1.0679  2.0725   169.4     5.2    22.1
    ...
    2023 08 18    20 27 23.2 -15 45 16   1.0399  2.0228   160.5     9.6    22.2
    2023 08 19    20 25 08.4 -15 51 08   1.0363  2.0144   159.1    10.3    22.2
    2023 08 20    20 22 53.9 -15 56 55   1.0330  2.0059   157.6    11.1    22.3
    ...
    2023 08 26    20 09 40.7 -16 29 39   1.0190  1.9541   148.6    15.6    22.3
    ...
    2023 09 03    19 53 21.8 -17 06 39   1.0145  1.8825   137.0    21.4    22.4
    ...
    2023 09 18    19 29 56.5 -17 52 52   1.0370  1.7396   116.8    31.0    22.6
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Q24
    


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