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  • MPEC 2020-F129 : 2003 TR9

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    M.P.E.C. 2020-F129                               Issued 2020 March 25, 15:00 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
    
                                    2003 TR9                                 
    
    
                               Revision to MPEC 2003-T77                            
    
    Additional Observations:
         K03T09R KC2020 03 22.22520706 34 24.598+05 14 59.96         23.57GVEF129T14
         K03T09R  C2020 03 22.23089106 34 24.363+05 15 05.79         23.27GVEF129T14
         K03T09R  C2020 03 22.23277406 34 24.285+05 15 07.73         23.22GVEF129T14
         K03T09R  C2020 03 23.23574506 33 48.241+05 32 23.54         22.81GVEF129T14
         K03T09R  C2020 03 23.23761706 33 48.167+05 32 25.47         22.93GVEF129T14
         K03T09R  C2020 03 23.23949206 33 48.095+05 32 27.39         22.95GVEF129T14
    
    Observer details:
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer C. Crowder.  Measurer 
       D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    200322 T14 0.05+ 0.42+    200323 T14 0.00+ 0.39+    MPO208190   +5.26 days
    
    Orbital elements:
    2003 TR9                                            PHA, Earth MOID = 0.0208 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 355.56649              (2000.0)            P               Q
    n   0.46859870     Peri.   71.03436     -0.01829617     +0.99713043
    a   1.6416050      Node   198.38727     -0.98240210     -0.03158766
    e   0.7016399      Incl.   13.46655     -0.18587999     +0.06879768
    P   2.10           H   21.3           G   0.15           U   1
    Residuals in seconds of arc
    031009 699  0.7+  0.7+    031017 246  0.6+  0.9+    031023 645  0.2-  0.1-
    031009 699  0.8+  0.0     031017 246  1.1-  0.9+    031023 645  0.2-  0.0
    031009 699  1.3-  1.1-    031017 246  0.1+  0.0     031023 645  0.3-  0.2-
    031009 699  0.2-  0.3-    031017 246  0.2-  0.4+    031023 645  0.0   0.0
    031014 699 (2.1+  1.1+)   031017 246  0.1+  0.4+    031029 696  0.2-  0.1-
    031014 699  0.0   0.1+    031018 246  0.2-  0.4+    031029 696  0.6-  0.2+
    031014 699 (2.1-  0.5-)   031018 246  0.2+  0.2+    031101 413  0.3+  0.4+
    031014 699  0.0   0.4+    031018 246  0.2+  0.2+    031101 413  0.5-  0.4-
    031015 649  0.2-  0.1-    031018 246  0.3+  0.2+    031121 291 (0.2-  2.0+)
    031015 649  0.3-  0.3-    031018 246  0.4-  0.0     031121 291  0.1-  1.0+
    031015 649  0.0   0.0     031020 704 (1.1-  1.8+)   031121 291  0.0   1.2+
    031015 649  0.1+  0.4-    031020 704  0.5-  1.0+    031122 291  0.1-  0.3+
    031016 J95  0.0   0.2+    031020 704  0.2+  0.5+    031122 291  0.7-  0.2-
    031016 J95  0.3+  0.2+    031020 704  0.7+  0.7+    200322 T14  0.0   0.0
    031016 J95  0.1-  0.8+    031020 704  0.1+  0.5+    200322 T14  0.0   0.0
    031017 J95  0.6+  0.2+    031022 645  0.2+  0.1-    200322 T14  0.0   0.0
    031017 J95  0.6-  0.7-    031022 645  0.2+  0.0     200323 T14  0.0   0.0
    031017 J95  0.7-  0.5-    031022 645  0.1+  0.1-    200323 T14  0.0   0.0
    031017 246  0.4-  0.6+    031022 645  0.3+  0.1+    200323 T14  0.0   0.0
    
    Ephemeris:
    2003 TR9                 a,e,i = 1.64, 0.70, 13                  q = 0.4898
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 02 24    07 11 26.3 -02 26 18   0.8214  1.6434   130.1    27.4    23.2
    ...
    2020 03 10    06 46 02.3 +01 42 53   0.8168  1.4960   111.1    38.3    23.3
    ...
    2020 03 18    06 37 30.9 +04 01 56   0.8208  1.4121   101.6    43.7    23.3
    ...
    2020 03 24    06 33 23.0 +05 45 33   0.8235  1.3466    94.9    47.5    23.3
    2020 03 25    06 32 52.4 +06 02 42   0.8238  1.3355    93.8    48.2    23.3
    2020 03 26    06 32 24.7 +06 19 48   0.8241  1.3243    92.8    48.8    23.3
    ...
    2020 04 01    06 30 36.1 +08 01 36   0.8236  1.2558    86.5    52.6    23.3
    ...
    2020 04 09    06 30 24.9 +10 15 54   0.8165  1.1610    78.6    57.8    23.3
    ...
    2020 04 24    06 34 24.7 +14 35 17   0.7747  0.9728    64.7    69.2    23.1
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-F129
    


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