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  • MPEC 2024-H08 : 2013 TR4

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    M.P.E.C. 2024-H08                                Issued 2024 April 16, 14:24 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
    
                                    2013 TR4                                 
    
    
                               Revision to MPEC 2013-T34                            
    
    Additional Observations:
         K13T04R 1C2024 04 12.46078 16 09 32.64 +00 51 12.6          21.0 GVEH008G96
         K13T04R 1C2024 04 12.46593 16 09 33.22 +00 51 36.7          21.4 GVEH008G96
         K13T04R 2C2024 04 15.02541 16 14 43.45 +04 15 01.4                VEH008Z84
         K13T04R 2C2024 04 15.03460 16 14 44.42 +04 15 46.4          21.5 GVEH008Z84
         K13T04R 2C2024 04 15.04379 16 14 45.42 +04 16 30.3          21.8 GVEH008Z84
         K13T04R 2C2024 04 15.05299 16 14 46.40 +04 17 15.3          20.8 GVEH008Z84
         K13T04R 2C2024 04 15.06218 16 14 47.21 +04 18 02.4                VEH008Z84
         K13T04R 2C2024 04 15.07137 16 14 48.40 +04 18 45.9                VEH008Z84
         K13T04R 2C2024 04 16.06707 16 16 45.43 +05 40 09.9          20.9 GVEH008Z84
         K13T04R 2C2024 04 16.07627 16 16 46.39 +05 40 55.3          21.0 GVEH008Z84
         K13T04R 2C2024 04 16.08546 16 16 47.34 +05 41 41.0          20.8 GVEH008Z84
         K13T04R 2C2024 04 16.09465 16 16 48.30 +05 42 27.1          21.3 GVEH008Z84
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer H. Groeller.  Measurers B. Gray, D. Rankin,
        F. C. Shelly.  1.5-m reflector + 10K CCD.
    Z84 Calar Alto-Schmidt.  Observers E. Schwab, L. Conversi, R. Kresken, M.
        Micheli, F. Ocana.  Measurer E. Schwab.  0.8-m f/3 Schmidt + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    240412 G96 9.16+ 0.90+    240416 Z84 9.65+ 1.20+    E2024-BH3   +2.12 days
    
    Orbital elements:
    2013 TR4                                                 Earth MOID = 0.1901 AU
    Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
    M 291.04283              (2000.0)            P               Q                  
    n   0.71357169     Peri.   88.36129     +0.21128591     +0.97513381             
    a   1.2402550      Node   194.37471     -0.96917661     +0.20014247             
    e   0.1238650      Incl.   15.62702     -0.12670815     +0.09516852             
    P   1.38           H   23.23          G   0.15           U   2                  
    Residuals in seconds of arc
    131003 G96  0.4-  0.2+    131003 F51  0.2-  0.2-    240412 G96  0.1-  0.2-
    131003 G96  0.7-  0.2+    131003 F51  0.1+  0.4+    240412 G96  0.2+  0.1-
    131003 G96  0.3-  0.3+    131004 H01  0.1+  0.0     240415 Z84  0.2+  0.0
    131003 G96  0.3+  0.1+    131004 H01  0.2-  0.1-    240415 Z84  0.0   0.1+
    131003 H01  0.1+  0.3-    131004 H01  0.1+  0.3-    240415 Z84  0.3+  0.8-
    131003 H01  0.1-  0.2-    131004 H01  0.0   0.0     240415 Z84  0.3+  0.7-
    131003 H01  0.2+  0.1-    131009 291  0.1-  0.3+    240415 Z84  2.1-  1.6+
    131003 H01  0.5+  0.2-    131009 291  0.0   0.0     240415 Z84  1.1+  0.3+
    131003 G96  0.1+  0.3-    131009 291  0.1-  0.1+    240416 Z84  0.1-  0.1-
    131003 G96  0.1-  0.1+    131013 291  0.1+  0.4+    240416 Z84  0.0   0.2-
    131003 G96  0.2-  0.6+    131013 291  0.2+  0.0     240416 Z84  0.1-  0.0
    131003 G96  0.5-  0.1-    131013 291  0.1-  0.6-    240416 Z84  0.1+  0.7+
    
    Ephemeris:
    2013 TR4                 a,e,i = 1.24, 0.12, 16                  q = 1.0866
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2024 03 17    15 08 24.0 -22 22 40   0.3468  1.2296   125.6    41.2    23.0
    ...
    2024 04 01    15 44 31.8 -11 59 48   0.2667  1.2008   134.3    36.6    22.2
    ...
    2024 04 09    16 02 19.6 -03 27 38   0.2358  1.1856   137.3    35.0    21.9
    ...
    2024 04 15    16 14 39.1 +04 13 16   0.2196  1.1745   137.5    35.3    21.7
    2024 04 16    16 16 36.8 +05 34 56   0.2176  1.1727   137.3    35.5    21.7
    2024 04 17    16 18 32.9 +06 57 39   0.2157  1.1709   137.0    35.7    21.7
    ...
    2024 04 23    16 29 33.3 +15 26 34   0.2081  1.1602   134.2    38.4    21.7
    ...
    2024 05 01    16 42 30.4 +26 31 33   0.2073  1.1467   127.9    43.9    21.8
    ...
    2024 05 16    17 01 06.5 +43 06 07   0.2262  1.1239   114.5    54.9    22.3
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-H08
    


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