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  • MPEC 2023-C09 : 2010 JT39

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    M.P.E.C. 2023-C09                              Issued 2023 February 1, 14:05 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
    
                                    2010 JT39                                
    
    
                               Revision to MPEC 2010-J63                            
    
    Additional Observations:
         K10J39T 0C2023 01 22.53328509 27 29.333+31 17 00.96         24.17GVEC009T12
         K10J39T 0C2023 01 24.58787009 22 34.166+31 43 13.69         23.87GVEC009T12
    
    Observer details:
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. J. Tholen,
        D. Hung.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 2112 x 2112
        pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230122 T12 0.07- 0.03-    230124 T12 0.07- 0.03-    MPO713944   -0.03 days
    
    Orbital elements:
    2010 JT39                                                Earth MOID = 0.0410 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 184.65161              (2000.0)            P               Q                  
    n   0.74778561     Peri.  283.69087     +0.75868274     +0.64941887             
    a   1.2021297      Node    35.85183     -0.55853028     +0.68913637             
    e   0.2079396      Incl.    5.04776     -0.33532733     +0.32147502             
    P   1.32           H   23.76          G   0.15           U   1                  
    Residuals in seconds of arc
    100507 G96  0.0   0.2-    100511 G96  0.7-  0.4-    100604 474  0.1+  0.1+
    100507 G96  0.1+  0.3+    100511 G96  0.3-  0.3-    100604 474  0.3-  0.3+
    100507 G96  0.1-  0.1-    100511 G96  0.3+  0.3-    101108 F51  0.1+  0.0
    100507 G96  0.8-  0.6-    100511 G96  1.4-  0.1-    101108 F51  0.0   0.1-
    100507 G96  0.4+  0.4-    100511 G96  0.7+  0.6-    101117 F51  0.2-  0.2+
    100507 G96  0.2+  0.1-    100511 G96  0.2+  0.0     101117 F51  0.1-  0.3+
    100507 G96  0.2-  0.4-    100519 291  0.8+  1.1+    230122 T12  0.0   0.0
    100507 G96  0.0   0.0     100519 291  0.1-  0.1-    230124 T12  0.0   0.0
    100507 G96  0.7-  0.0     100519 291 (1.6+  2.1-)
    100507 G96  0.3+  0.2+    100604 474  0.9-  1.0-
    
    Ephemeris:
    2010 JT39                a,e,i = 1.20, 0.21, 5                   q = 0.9522
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 01 02    09 59 51.1 +26 25 10   0.5340  1.4190   136.5    28.5    24.4
    ...
    2023 01 17    09 39 27.7 +29 59 37   0.4849  1.4365   154.4    17.2    23.9
    ...
    2023 01 25    09 21 34.6 +31 48 14   0.4738  1.4432   162.4    11.9    23.7
    ...
    2023 01 31    09 06 14.8 +32 51 44   0.4737  1.4470   164.4    10.6    23.6
    2023 02 01    09 03 37.6 +33 00 16   0.4744  1.4475   164.2    10.7    23.6
    2023 02 02    09 01 00.2 +33 08 10   0.4752  1.4480   163.9    10.9    23.6
    ...
    2023 02 08    08 45 32.7 +33 41 29   0.4847  1.4504   159.6    13.7    23.8
    ...
    2023 02 16    08 27 10.0 +33 49 01   0.5076  1.4520   150.7    19.4    24.1
    ...
    2023 03 03    08 05 24.2 +32 36 14   0.5765  1.4499   133.6    29.7    24.7
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-C09
    


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