MPEC 2008-T50 : 2008 TC3

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M.P.E.C. 2008-T50                                Issued 2008 Oct. 6, 14:59 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.

             Prepared using the Tamkin Foundation Computer Network

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

                                   2008 TC3

Observations:
     K08T03C* C2008 10 06.27767 23 17 00.78 +07 49 22.7          18.9 V ET050G96
     K08T03C  C2008 10 06.28762 23 16 54.58 +07 49 25.8          18.8 V ET050G96
     K08T03C  C2008 10 06.29770 23 16 48.36 +07 49 27.6          18.8 V ET050G96
     K08T03C  C2008 10 06.30770 23 16 42.34 +07 49 28.7          19.1 V ET050G96
     K08T03C  C2008 10 06.32199 23 16 33.95 +07 49 28.0          18.8 V ET050G96
     K08T03C  C2008 10 06.33431 23 16 27.03 +07 49 25.5          18.8 V ET050G96
     K08T03C  C2008 10 06.34546 23 16 20.97 +07 49 29.8          18.1 R ET050854
     K08T03C  C2008 10 06.34667 23 16 20.48 +07 49 21.2          18.8 V ET050G96
     K08T03C  C2008 10 06.34885 23 16 19.30 +07 49 27.2          18.5 R ET050854
     K08T03C  C2008 10 06.35223 23 16 17.59 +07 49 26.9          19.0 R ET050854
     K08T03C  C2008 10 06.35904 23 16 14.38 +07 49 15.3          18.8 V ET050G96
     K08T03C  C2008 10 06.37547 23 16 07.17 +07 49 04.6          19.2 V ET050G96
     K08T03C  C2008 10 06.37584 23 16 07.03 +07 49 04.2          18.5 V ET050G96
     K08T03C  C2008 10 06.37620 23 16 06.88 +07 49 04.0          19.1 V ET050G96
     K08T03C  C2008 10 06.37656 23 16 06.74 +07 49 03.7          19.1 V ET050G96
     K08T03C .C2008 10 06.61056 23 19 06.42 +09 15 20.0          17.8 R ET050D90
     K08T03C .C2008 10 06.61326 23 19 04.70 +09 15 46.0          17.9 R ET050D90
     K08T03C .C2008 10 06.61598 23 19 02.93 +09 16 12.4          17.9 R ET050D90
     K08T03C  C2008 10 06.63767 23 18 14.04 +09 15 39.0          18.2 V ET050E12
     K08T03C  C2008 10 06.63803 23 18 13.86 +09 15 42.4          17.4 V ET050E12
     K08T03C  C2008 10 06.63839 23 18 13.68 +09 15 45.7          18.0 V ET050E12
     K08T03C  C2008 10 06.63874 23 18 13.53 +09 15 49.5          18.0 V ET050E12
     K08T03C  C2008 10 06.63910 23 18 13.39 +09 15 52.2          17.6 V ET050E12
     K08T03C  C2008 10 06.64112 23 18 12.31 +09 16 09.5          17.9 V ET050E12
     K08T03C  C2008 10 06.64148 23 18 12.09 +09 16 13.0          17.7 V ET050E12
     K08T03C  C2008 10 06.64182 23 18 11.98 +09 16 15.9          17.7 V ET050E12

Observer details:
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
D90 RAS Observatory, Moorook.  Observers C. Jacques, E. Pimentel.  Measurer
    C. Jacques.  0.25-m f/6.0 reflector + CCD.
E12 Siding Spring Survey.  Observer G. J. Garradd.  Measurers E. C. Beshore,
    A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
    A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.

Orbital elements:
2008 TC3                                                 Earth MOID = 0.0000 AU
Epoch 2008 Oct. 6.0 TT = JDT 2454745.5                  MPC
M 328.44590              (2000.0)            P               Q
n   0.68871009     Peri.  233.94885     +0.37343159     -0.92760486
a   1.2699260      Node   194.13377     +0.86362066     +0.35153118
e   0.2847655      Incl.    2.32440     +0.33868601     +0.12639247
P   1.43           H   30.4           G   0.15           U   8
Residuals in seconds of arc
081006 G96  0.3+  0.2+    081006 854  0.2-  1.0+    081006 E12  0.1-  0.3-
081006 G96  0.1-  0.1+    081006 G96  0.1-  0.1-    081006 E12  0.1-  0.1-
081006 G96  0.4-  0.2-    081006 G96  0.3+  0.2-    081006 E12  0.0-  0.0+
081006 G96  0.0+  0.1-    081006 G96  0.4+  0.4-    081006 E12  0.4+  0.7+
081006 G96  0.1+  0.1-    081006 G96  0.3+  0.3-    081006 E12  1.0+  0.2+
081006 G96  0.0-  0.1-    081006 G96  0.4+  0.3-    081006 E12  0.1-  0.5-
081006 854  1.0-  0.9+    081006 D90  0.2+  0.3-    081006 E12  0.8-  0.2-
081006 G96  0.0+  0.2-    081006 D90  0.2+  0.1+    081006 E12  0.1+  0.3-
081006 854  0.0+  0.3-    081006 D90  0.7-  0.6+

Ephemeris:
2008 TC3                 a,e,i = 1.27, 0.28, 2                   q = 0.9083
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 10 06.50 23 19.43   +08 18.5    0.00246  1.002   157.4    22.5    18.4
2008 10 06.51 23 19.54   +08 19.1    0.00242  1.002   157.4    22.5    18.4
2008 10 06.52 23 19.65   +08 19.8    0.00239  1.002   157.5    22.5    18.4
2008 10 06.53 23 19.76   +08 20.5    0.00235  1.002   157.5    22.5    18.3
2008 10 06.54 23 19.88   +08 21.2    0.00231  1.002   157.5    22.5    18.3
2008 10 06.55 23 20.00   +08 21.9    0.00227  1.002   157.5    22.4    18.3
2008 10 06.56 23 20.13   +08 22.7    0.00224  1.002   157.5    22.4    18.2
2008 10 06.57 23 20.26   +08 23.5    0.00220  1.002   157.6    22.4    18.2
2008 10 06.58 23 20.40   +08 24.3    0.00216  1.002   157.6    22.4    18.2
2008 10 06.59 23 20.54   +08 25.1    0.00212  1.002   157.6    22.4    18.1
2008 10 06.60 23 20.68   +08 26.0    0.00209  1.001   157.6    22.3    18.1
2008 10 06.61 23 20.83   +08 26.9    0.00205  1.001   157.7    22.3    18.0
2008 10 06.62 23 20.99   +08 27.8    0.00201  1.001   157.7    22.3    18.0
2008 10 06.63 23 21.15   +08 28.8    0.00197  1.001   157.7    22.2    17.9
2008 10 06.64 23 21.32   +08 29.8    0.00193  1.001   157.7    22.2    17.9
2008 10 06.65 23 21.50   +08 30.9    0.00190  1.001   157.8    22.2    17.9
2008 10 06.66 23 21.68   +08 32.0    0.00186  1.001   157.8    22.1    17.8
2008 10 06.67 23 21.87   +08 33.1    0.00182  1.001   157.8    22.1    17.8
2008 10 06.68 23 22.07   +08 34.3    0.00178  1.001   157.9    22.1    17.7
2008 10 06.69 23 22.28   +08 35.5    0.00174  1.001   157.9    22.0    17.7
2008 10 06.70 23 22.49   +08 36.8    0.00171  1.001   158.0    22.0    17.6
2008 10 06.71 23 22.72   +08 38.2    0.00167  1.001   158.0    22.0    17.6
2008 10 06.72 23 22.96   +08 39.6    0.00163  1.001   158.1    21.9    17.5
2008 10 06.73 23 23.21   +08 41.1    0.00159  1.001   158.1    21.9    17.5
2008 10 06.74 23 23.47   +08 42.6    0.00155  1.001   158.2    21.8    17.4
2008 10 06.75 23 23.74   +08 44.2    0.00152  1.001   158.2    21.8    17.4
2008 10 06.76 23 24.03   +08 46.0    0.00148  1.001   158.3    21.7    17.3
2008 10 06.77 23 24.33   +08 47.8    0.00144  1.001   158.3    21.6    17.2
2008 10 06.78 23 24.65   +08 49.7    0.00140  1.001   158.4    21.6    17.2
2008 10 06.79 23 24.99   +08 51.7    0.00136  1.001   158.5    21.5    17.1
2008 10 06.80 23 25.35   +08 53.8    0.00133  1.001   158.5    21.4    17.1
2008 10 06.81 23 25.73   +08 56.0    0.00129  1.001   158.6    21.3    17.0
2008 10 06.82 23 25.87   +08 56.9    0.00125  1.001   158.7    21.3    16.9
2008 10 06.83 23 26.31   +08 59.5    0.00121  1.001   158.7    21.2    16.9
2008 10 06.84 23 26.79   +09 02.3    0.00117  1.001   158.8    21.1    16.8
2008 10 06.85 23 27.33   +09 05.4    0.00113  1.001   159.0    21.0    16.7
2008 10 06.86 23 27.91   +09 08.9    0.00109  1.000   159.1    20.9    16.6
2008 10 06.87 23 28.54   +09 12.6    0.00106  1.000   159.2    20.8    16.5
2008 10 06.88 23 29.23   +09 16.7    0.00102  1.000   159.4    20.6    16.5
2008 10 06.89 23 29.99   +09 21.1    0.00098  1.000   159.5    20.4    16.4
2008 10 06.90 23 30.80   +09 25.9    0.00094  1.000   159.7    20.3    16.3
2008 10 06.91 23 31.68   +09 31.0    0.00090  1.000   159.9    20.1    16.2
2008 10 06.92 23 32.64   +09 36.5    0.00086  1.000   160.1    19.9    16.1
2008 10 06.93 23 33.66   +09 42.5    0.00082  1.000   160.3    19.7    16.0
2008 10 06.94 23 32.61   +09 36.4    0.00080  1.000   160.1    19.9    15.9
2008 10 06.95 23 33.76   +09 43.0    0.00076  1.000   160.3    19.6    15.8
2008 10 06.96 23 35.11   +09 50.9    0.00072  1.000   160.6    19.4    15.7
2008 10 06.97 23 36.71   +10 00.1    0.00068  1.000   161.0    19.0    15.5
2008 10 06.98 23 38.57   +10 10.8    0.00063  1.000   161.4    18.6    15.4
2008 10 06.99 23 40.74   +10 23.2    0.00059  1.000   161.8    18.1    15.2
2008 10 07.00 23 43.27   +10 37.6    0.00054  1.000   162.4    17.6    15.0
2008 10 07.01 23 46.20   +10 54.1    0.00050  1.000   163.0    17.0    14.8
2008 10 07.02 23 49.60   +11 13.1    0.00045  1.000   163.7    16.3    14.5
2008 10 07.03 23 53.58   +11 35.1    0.00040  1.000   164.4    15.6    14.3
2008 10 07.04 23 58.26   +12 00.7    0.00035  1.000   165.3    14.7    14.0
2008 10 07.05 00 03.86   +12 30.7    0.00031  1.000   166.3    13.7    13.6
2008 10 07.06 00 10.69   +13 06.7    0.00026  1.000   167.4    12.6    13.2
2008 10 07.07 01 07.35   +17 29.9    0.00019  1.000   167.4    12.6    12.5
2008 10 07.08 01 31.80   +19 02.5    0.00015  1.000   163.3    16.7    12.1
2008 10 07.09 02 06.87   +20 51.7    0.00010  1.000   156.2    23.8    11.6
2008 10 07.10 03 08.55   +22 53.5    0.00007  0.999   142.8    37.2    11.0
2008 10 07.11 05 36.95   +21 35.3    0.00004  0.999   109.4    70.6    10.8

  The nominal orbit given above has 2008 TC3 coming to within one earth
radius around Oct. 7.1.  The absolute magnitude indicates that the
object will not survive passage through the atmosphere.

  Steve Chesley (JPL) reports that atmospheric entry will occur on 2008
Oct 07 0246 UTC over northern Sudan.

Gareth V. Williams           (C) Copyright 2008 MPC           M.P.E.C. 2008-T50

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