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  • MPEC 2019-R24 : 2006 AJ4

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    M.P.E.C. 2019-R24                              Issued 2019 September 4, 10:38 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
    
                                    2006 AJ4                                 
    
    
                               Revision to MPEC 2006-A45                            
    
    Additional Observations:
         K06A04J  C2012 12 12.43827705 55 45.747-08 40 10.81         20.6 GVER024F51
         K06A04J  C2012 12 12.45118605 55 44.329-08 39 48.47         19.9 GVER024F51
         K06A04J  C2012 12 12.46379505 55 42.828-08 39 28.88         17.9 GVER024F51
         K06A04J  C2012 12 12.47612905 55 41.650-08 39 06.41         21.3 GVER024F51
         K06A04J  C2013 01 08.29457105 15 51.587+07 18 33.62         21.6 GVER024F51
         K06A04J  C2013 01 08.30837505 15 50.720+07 19 04.28         21.6 GVER024F51
         K06A04J  C2013 01 08.32219205 15 49.828+07 19 35.30         21.1 GVER024F51
         K06A04J  C2013 01 08.32417405 15 49.701+07 19 39.75         21.3 GVER024F51
         K06A04J  C2013 01 08.33615405 15 48.947+07 20 06.54         21.4 GVER024F51
         K06A04J  C2017 05 30.32827516 13 48.070+17 02 18.21         22.0 GVER024F51
         K06A04J  C2017 05 30.35595316 13 45.167+17 02 01.16         22.1 GVER024F51
         K06A04J  C2017 05 30.36989616 13 43.683+17 01 52.17         22.2 GVER024F51
         K06A04J  C2019 08 28.56673 02 09 39.306-36 06 44.98         22.0 wUER024F51
         K06A04J  C2019 08 28.57570 02 09 40.270-36 07 02.29         22.0 wUER024F51
         K06A04J  C2019 08 28.58468 02 09 41.241-36 07 19.28         22.0 wUER024F51
         K06A04J  C2019 08 28.59364 02 09 42.191-36 07 35.81         22.0 wUER024F51
    
    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, K. Chambers, T. de Boer, L. Denneau, J. 
       Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  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
    121212 F51 1.69- 0.65-    190828 F51 2.68- 2.22-    MPO 98073   -1.92 days
    
    Orbital elements:
    2006 AJ4                                                 Earth MOID = 0.3649 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
    M 270.64703              (2000.0)            P               Q
    n   0.55554365     Peri.  256.22266     +0.93557060     -0.20617839
    a   1.4655161      Node   115.02741     +0.28186489     +0.92507727
    e   0.1173533      Incl.   18.44604     -0.21274358     +0.31893968
    P   1.77           H   21.3           G   0.15           U   1
    Residuals in seconds of arc
    060107 G96  0.1-  0.1-    060110 G96  0.5+  0.0     121212 F51 (2.1-  1.5-)
    060107 G96  0.1-  0.1+    060110 G96  0.2+  0.1+    121212 F51  0.3+  0.0
    060107 G96  0.3-  0.3-    060110 G96  0.1+  0.5+    130108 F51  0.2+  0.1+
    060107 G96  0.0   0.0     060110 G96  0.1-  0.2+    130108 F51  0.3+  0.2-
    060107 G96 (2.7-  0.6+)   060120 291  1.2-  0.0     130108 F51  0.0   0.1-
    060107 G96  1.4-  0.0     060120 291  0.2-  0.5+    130108 F51  0.0   0.1-
    060107 G96  0.0   0.1+    060120 291  0.7+  0.3+    130108 F51  0.0   0.1-
    060107 G96  0.3-  0.7+    060126 291  0.1-  0.5+    170530 F51  0.1+  0.2+
    060108 G96  0.5+  0.0     060126 291  0.0   0.5+    170530 F51  0.2+  0.3+
    060108 G96  0.3+  0.5-    060126 696  0.6+  0.1+    170530 F51  0.0   0.0
    060108 G96  0.0   0.2+    060126 291  0.1-  0.4+    190828 F51  0.1-  0.2+
    060108 291  0.1+  0.2-    060126 696  0.9-  0.4+    190828 F51  0.1-  0.1-
    060108 291  0.1+  0.3-    121212 F51  0.0   0.1+    190828 F51  0.1-  0.1-
    060108 291  0.3-  0.5+    121212 F51  0.2-  0.4+    190828 F51  0.3-  0.3+
    
    Ephemeris:
    2006 AJ4                 a,e,i = 1.47, 0.12, 18                  q = 1.2935
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 08 05    01 13 17.0 -23 31 21   0.4887  1.3299   120.3    41.2    22.0
    ...
    2019 08 20    01 51 13.6 -31 30 09   0.4541  1.3146   122.8    40.3    21.8
    ...
    2019 08 28    02 08 32.0 -35 48 33   0.4451  1.3080   123.2    40.3    21.7
    ...
    2019 09 03    02 19 30.5 -38 53 28   0.4421  1.3039   123.1    40.4    21.7
    2019 09 04    02 21 08.7 -39 23 06   0.4418  1.3032   123.0    40.5    21.7
    2019 09 05    02 22 43.3 -39 52 19   0.4417  1.3026   123.0    40.5    21.7
    ...
    2019 09 11    02 30 53.4 -42 37 59   0.4421  1.2993   122.6    40.8    21.7
    ...
    2019 09 19    02 38 00.8 -45 48 18   0.4456  1.2961   121.8    41.2    21.7
    ...
    2019 10 04    02 38 46.3 -49 44 10   0.4587  1.2935   120.2    42.0    21.8
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-R24
    


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