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  • MPEC 2023-Q63 : 2016 GJ134

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    M.P.E.C. 2023-Q63                               Issued 2023 August 21, 19:15 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
    
                                   2016 GJ134                                
    
    
                               Revision to MPEC 2016-G105                           
    
    Additional Observations:
         K16GD4J  C2023 08 18.29972520 31 27.406-22 54 17.70         21.22GVEQ063F51
         K16GD4J  C2023 08 18.30939120 31 23.078-22 54 35.09         21.87GVEQ063F51
         K16GD4J  C2023 08 18.31904220 31 18.829-22 54 52.85         21.46GVEQ063F51
         K16GD4J  C2023 08 18.32869820 31 14.531-22 55 10.65         21.36GVEQ063F51
         K16GD4J  C2023 08 19.31362520 23 55.216-23 25 06.00               VEQ063F51
         K16GD4J  C2023 08 19.32456320 23 49.950-23 25 27.12         21.56wXEQ063F51
         K16GD4J  C2023 08 19.33549120 23 44.704-23 25 47.44         21.52wXEQ063F51
         K16GD4J  C2023 08 19.34641420 23 39.447-23 26 07.67         21.12GVEQ063F51
         K16GD4J  C2023 08 19.44501620 22 51.718-23 29 08.75         21.16GVEQ063F51
         K16GD4J  C2023 08 19.44565820 22 51.409-23 29 09.61         20.63GVEQ063F51
    
    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, K. Chambers, T. de Boer, J.
        Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, A. Schultz, I.
        Smith.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    230818 F51  144-   45-    230819 F51  147-   46-    MPO374804   -46.4 days
    
    Orbital elements:
    2016 GJ134                                               Earth MOID = 0.0040 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 338.05643              (2000.0)            P               Q                  
    n   0.50991465     Peri.   62.63832     +0.21816237     -0.97590496             
    a   1.5516880      Node    14.76206     +0.88998419     +0.19734037             
    e   0.6675223      Incl.    0.86190     +0.40041643     +0.09309291             
    P   1.93           H   23.51          G   0.15           U   3                  
    Residuals in seconds of arc
    160403 G96  0.2+  0.4+    160404 691  1.4+  1.2-    160407 H01  0.1-  0.1+
    160403 G96  0.3-  0.2-    160404 691  0.7+  0.8-    160407 H01  0.1-  0.0
    160403 G96  0.0   0.4+    160404 691  0.3-  0.2-    230818 F51  0.1+  0.4-
    160403 G96  0.2-  0.5+    160404 926  0.0   0.6-    230818 F51  0.4-  0.1+
    160403 G96  0.1-  0.3+    160404 926  0.5-  0.6+    230818 F51  0.2+  0.1+
    160403 G96  0.1+  0.2+    160404 926  0.7-  0.3+    230818 F51  0.2+  0.0
    160403 G96  0.3-  0.1+    160404 G96  0.2+  0.1+    230819 F51  0.1-  0.6+
    160403 G96  0.4+  0.1-    160404 G96  0.1+  0.3+    230819 F51  0.2-  0.0
    160403 H01  0.3-  0.1+    160404 G96  0.2+  0.4+    230819 F51  0.0   0.2+
    160403 H01  0.4-  0.1+    160404 G96  0.4+  0.4+    230819 F51  0.1+  0.3+
    160403 H01  0.2-  0.1+    160407 H01  0.1-  0.1+    230819 F51  0.1+  0.1+
    160403 H01  0.2-  0.0     160407 H01  0.2-  0.1+    230819 F51  0.1+  0.3+
    
    Ephemeris:
    2016 GJ134               a,e,i = 1.55, 0.67, 1                   q = 0.5159
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 07 22    21 54 03.1 -15 11 23   0.5222  1.5005   153.1    17.8    23.9
    ...
    2023 08 06    21 28 35.2 -18 03 18   0.3385  1.3513   173.5     4.9    22.2
    ...
    2023 08 14    20 57 35.4 -20 53 46   0.2565  1.2663   169.6     8.3    21.6
    ...
    2023 08 20    20 18 27.9 -23 45 50   0.2045  1.2001   154.7    21.1    21.5
    2023 08 21    20 09 59.7 -24 17 07   0.1968  1.1889   151.7    23.8    21.5
    2023 08 22    20 00 50.7 -24 48 35   0.1894  1.1776   148.7    26.5    21.5
    ...
    2023 08 28    18 49 06.0 -27 32 46   0.1532  1.1086   126.6    47.0    21.4
    ...
    2023 09 05    16 31 58.3 -26 11 17   0.1339  1.0137    88.4    84.0    22.1
    ...
    2023 09 20    13 18 11.2 -09 50 35   0.1986  0.8294    25.3   148.8    27.8
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Q63
    


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