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IAU Minor Planet Center

Minor Planet Center

MPEC 2003-T16 : 1999 TD5

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M.P.E.C. 2003-T16                                Issued 2003 Oct. 3, 12:34 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

         Supported in part by the Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   1999 TD5

                           Revision to MPEC 1999-T33

Additional Observations:
     J99T05D HC2003 10 02.47404 07 43 08.44 +17 30 42.1          21.9 V      291
     J99T05D HC2003 10 02.47824 07 43 09.35 +17 30 41.5          22.0 V      291
     J99T05D HC2003 10 02.48241 07 43 10.33 +17 30 40.9          22.6 V      291
     J99T05D HC2003 10 03.48021 07 47 00.06 +17 24 22.4          22.1 V      291
     J99T05D HC2003 10 03.48438 07 47 01.00 +17 24 22.6          21.1 V      291

Observer details:
291 LPL/Spacewatch II.  Observer J. A. Larsen.  1.8-m f/2.7 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
031002 291 88.5+  1.0+    031003 291 88.5+  2.0+    MPO 47800   -0.037 day

Orbital elements:
1999 TD5
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 MPC
M  22.80219              (2000.0)            P               Q
n   0.25408767     Peri.  309.59649     +0.57318512     -0.81645175
a   2.4687683      Node   105.29471     +0.77223298     +0.50974235
e   0.5264999      Incl.    4.14687     +0.27407122     +0.27123659
P   3.88           H   19.4           G   0.15           U   1
Residuals in seconds of arc
991002 704  0.6-  0.4+    991024 402  0.1-  0.3-    991209 118  0.0   0.1+
991002 704  0.0   0.9+    991024 402  0.5-  1.9+    991209 118  0.4-  0.1-
991002 704  0.4+  0.3+    991030 118  0.5-  0.1-    991209 675  0.9-  1.0-
991002 704  0.1+  0.0     991030 118  0.5-  0.1+    991209 675  0.9-  1.1-
991003 557  0.2-  0.0     991030 118  0.5-  0.1-    991209 675  0.9-  1.1-
991003 557  0.5-  0.4-    991031 703  0.4+  0.0     991213 118  0.1-  0.4+
991003 557  1.0-  0.2+    991031 703  0.4-  0.1-    991213 118  0.4-  0.4+
991003 402  0.8+  0.8-    991031 703  1.2+  0.2+    991215 360  0.1-  0.2+
991003 402 (2.8+  0.5+)   991031 703  0.1-  0.0     991215 360  0.1+  0.4+
991003 402  0.5-  0.1-    991101 118  0.0   0.6+    991215 360  0.0   0.4+
991003 402  0.1-  0.3-    991101 118  0.4+  0.6+    991216 G91  0.1-  0.8+
991004 557  0.4+  0.2-    991105 704  0.3+  0.2-    991229 046  0.5-  0.5+
991004 557  0.0   0.1-    991105 704  0.0   0.1+    991229 046  0.7-  0.6+
991004 557  0.0   0.1-    991105 704  0.5+  0.9+    991230 106  0.1+  0.9+
991005 704  0.4-  0.1+    991105 704  0.1+  0.2+    991230 106  0.1-  0.6+
991005 704  0.1-  0.2+    991106 704  0.1-  0.2-    000102 610  0.2+  0.4-
991005 704  0.2-  0.6-    991106 704  0.1-  0.4-    000102 610  0.0   0.2-
991005 704  0.2-  0.3-    991106 704  0.3-  0.8-    000102 610  0.2-  0.0
991005 704  0.3-  0.8-    991106 704  0.1-  0.3-    000102 610  0.3-  0.1+
991006 046  0.5+  0.0     991106 704  1.7+  0.3-    000102 610  0.5-  0.3+
991006 046  0.9+  0.4+    991109 402  0.1+  0.1-    000103 704  1.0+  1.4-
991006 046  0.5+  0.4+    991109 402  0.2+  0.2-    000103 704  0.4+  1.9-
991006 046  0.1-  0.3+    991109 402  0.1+  0.4-    000103 704  0.5-  0.1-
991007 595  0.6-  0.1+    991112 071  0.4+  0.0     000103 704  0.2+  0.0
991007 595  0.4+  0.2+    991112 071  0.0   0.1+    000103 704  0.1-  0.3-
991007 118  0.8-  1.0+    991113 071  0.3+  0.1+    000103 360  0.1-  0.2+
991007 595  0.1+  0.7-    991113 071  0.8-  0.3+    000103 360  0.2-  0.2+
991007 118  0.4+  0.0     991113 402  0.0   0.2-    000103 360  0.3-  0.2+
991007 118  0.4+  0.2-    991113 402  0.6+  0.0     000105 704  0.0   0.3-
991007 413  0.3+  0.1+    991113 071  0.2-  0.2-    000105 704  0.1+  0.3-
991007 413  0.3+  0.2+    991113 071  0.3+  0.1+    000105 704  0.2+  0.3-
991009 104  0.6+  0.2+    991113 071  0.0   0.3+    000105 704  0.2+  0.4-
991009 704  0.8-  0.5-    991116 360  0.1+  0.3-    000105 704  0.2+  0.3-
991009 704  0.2-  0.2-    991116 360  0.2+  0.0     000108 704  0.2-  0.2-
991009 703  0.7-  0.2+    991116 360  0.2+  0.1-    000108 704  0.6+  1.9+
991009 704  0.5-  0.4-    991127 739  0.1+  0.5-    000108 704  0.3+  0.4-
991009 703  0.3-  0.3+    991127 739  0.1-  0.3+    000108 704  0.8+  0.5-
991009 704  0.1+  0.2+    991127 739  1.0+  0.1-    000108 704  1.0+  0.0
991009 703  0.3-  0.3-    991129 046  0.3-  0.1+    000108 704  0.7+  0.4+
991009 703  0.4-  0.1+    991129 046  0.1-  0.0     000108 704  0.9+  0.2-
991009 704  0.3+  0.2+    991129 046  0.3-  0.2+    000108 704  0.7+  0.6+
991016 413  0.1-  0.2-    991129 046  0.4-  0.3+    000108 704  0.4+  0.6-
991016 413  0.0   0.1-    991130 610  0.4-  0.7-    000109 691  0.3+  0.0
991016 118  0.2+  0.2+    991130 610  0.5-  0.3-    000109 691  1.2+  0.2+
991016 118  0.1-  0.7+    991130 610  0.4-  0.2+    000109 691  0.1+  0.0
991016 118  0.2+  0.1-    991130 610  0.2-  0.8+    000128 402  1.3-  0.2-
991017 413  0.0   0.3-    991130 610  0.2-  1.2+    000128 402  1.1-  0.7+
991017 413  0.1+  0.4-    991203 118  0.1+  0.0     000128 402  0.8+  0.4+
991018 118  0.2-  0.2-    991203 118  0.1+  0.1+    031002 291  0.1-  0.3-
991018 118  0.1-  0.4+    991206 704  0.2+  0.3-    031002 291  0.8-  0.6+
991018 118  0.2-  0.0     991206 704  0.2-  0.1-    031002 291  0.4-  1.5+
991020 402  1.0+  0.3-    991206 704  0.7-  0.1+    031003 291  0.7+  0.6-
991020 402  0.1-  0.5-    991206 704  0.9-  0.1-    031003 291  0.6+  1.1+
991020 402  0.3+  0.4-    991206 704  0.2-  0.5-
991024 402  1.8+  0.5-    991209 118  0.5+  0.2+

Ephemeris:
1999 TD5                 a,e,i = 2.47, 0.53, 4                   q = 1.1690
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 09 28    07 25.61   +17 56.1    0.936    1.169    74.1    55.5    21.6
2003 10 08    08 03.95   +16 53.5    0.934    1.174    74.7    55.2    21.6
2003 10 18    08 39.11   +15 33.9    0.935    1.191    76.1    54.3    21.6
2003 10 28    09 10.81   +14 06.1    0.935    1.218    78.2    53.0    21.6
2003 11 07    09 38.91   +12 38.5    0.933    1.254    81.3    51.4    21.6
2003 11 17    10 03.36   +11 18.2    0.927    1.298    85.3    49.4    21.6
2003 11 27    10 24.05   +10 11.6    0.915    1.349    90.2    47.0    21.6
2003 12 07    10 40.77   +09 24.7    0.900    1.405    96.2    44.2    21.6
2003 12 17    10 53.28   +09 02.1    0.881    1.465   103.4    40.8    21.6
2003 12 27    11 01.19   +09 08.2    0.860    1.528   111.8    36.7    21.5
2004 01 06    11 04.15   +09 45.5    0.841    1.593   121.5    31.8    21.4
2004 01 16    11 02.03   +10 53.0    0.828    1.659   132.5    25.9    21.3
2004 01 26    10 55.04   +12 25.2    0.827    1.727   144.7    19.2    21.1
2004 02 05    10 44.24   +14 09.9    0.843    1.795   157.6    12.1    21.0
2004 02 15    10 31.38   +15 51.3    0.882    1.862   169.9     5.3    20.9
2004 02 25    10 18.61   +17 14.9    0.945    1.930   171.7     4.2    21.1
2004 03 06    10 07.87   +18 12.1    1.033    1.996   160.8     9.4    21.6

Timothy B. Spahr             (C) Copyright 2003 MPC           M.P.E.C. 2003-T16

Read MPEC 2003-T15 Read MPEC 2003-T17


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