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Minor Planet Center

MPEC 2008-T83 : 2008 TD4

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M.P.E.C. 2008-T83                                Issued 2008 Oct. 7, 21:59 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 TD4

Observations:
     K08T04D* C2008 10 07.28780 23 44 27.60 +37 27 25.8          18.0 V ET083703
     K08T04D  C2008 10 07.29383 23 44 28.21 +37 26 46.3          18.2 V ET083703
     K08T04D  C2008 10 07.29991 23 44 28.89 +37 26 06.2          18.3 V ET083703
     K08T04D  C2008 10 07.30915 23 44 29.76 +37 25 04.4          18.2 V ET083703
     K08T04D  C2008 10 07.31682 23 44 30.51 +37 24 13.5          18.2 V ET083703
     K08T04D  C2008 10 07.32446 23 44 31.34 +37 23 22.9          18.2 V ET083703
     K08T04D  C2008 10 07.33194 23 44 32.13 +37 22 33.0          18.1 V ET083703
     K08T04D  C2008 10 07.34253 23 44 33.18 +37 21 21.7          18.5 R ET083854
     K08T04D  C2008 10 07.34349 23 44 33.25 +37 21 15.5          18.5 R ET083854
     K08T04D  C2008 10 07.34637 23 44 33.59 +37 20 56.2          18.8 R ET083854
     K08T04D 5C2008 10 07.39411 23 44 38.86 +37 15 39.1          18.3 R ET083673
     K08T04D 5C2008 10 07.40116 23 44 39.60 +37 14 52.4                 ET083673
     K08T04D 5C2008 10 07.40816 23 44 40.33 +37 14 05.6                 ET083673
     K08T04D 5C2008 10 07.41493 23 44 41.08 +37 13 20.4                 ET083673
     K08T04D  C2008 10 07.68492 23 45 15.59 +36 43 52.6          18.7   ET083114
     K08T04D  C2008 10 07.68591 23 45 15.72 +36 43 46.0          18.6   ET083114
     K08T04D  C2008 10 07.68690 23 45 15.83 +36 43 40.1          18.6   ET083114
     K08T04D  C2008 10 07.68787 23 45 15.97 +36 43 35.4          18.0   ET083114
     K08T04D  C2008 10 07.68875 23 45 16.04 +36 43 28.3          19.2   ET083114
     K08T04D  C2008 10 07.83068 23 45 31.62 +36 28 07.9                 ET083J95
     K08T04D  C2008 10 07.83330 23 45 31.90 +36 27 51.1                 ET083J95
     K08T04D  C2008 10 07.83592 23 45 32.17 +36 27 34.3          18.2 R ET083J95

Observer details:
114 Engelhardt Observatory, Zelenchukskaya Station.  Observers T. Kryachko,
    S. Korotkiy, B. Satovski.  Measurers T. Kryachko, S. Korotkiy.  0.3-m
    f/7.7 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer D. Mayes.  0.6-m f/16
    Cassegrain + CCD.
703 Catalina Sky Survey.  Observer A. Boattini.  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.  0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2008 TD4                                                 Earth MOID = 0.0809 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M  54.93615              (2000.0)            P               Q
n   0.44268179     Peri.   56.41725     +0.10498853     +0.98015623
a   1.7050676      Node   220.66938     -0.97634386     +0.06945382
e   0.5794593      Incl.   14.95174     -0.18902401     +0.18566081
P   2.23           H   19.6           G   0.15           U   9
Residuals in seconds of arc
081007 703  0.0   0.2-    081007 854  0.6-  0.5-    081007 114  0.0   0.0
081007 703  0.0   0.3+    081007 854  0.1-  0.6-    081007 114  0.4+  1.5+
081007 703  0.7+  0.6+    081007 673  0.2+  0.1-    081007 114  0.2+  0.0
081007 703  0.1-  0.2+    081007 673  0.1+  0.1+    081007 J95  0.1-  0.0
081007 703  0.5-  0.2+    081007 673  0.0   0.1-    081007 J95  0.0   0.0
081007 703  0.0   0.4+    081007 673  0.4+  0.2-    081007 J95  0.0   0.1-
081007 703  0.3+  0.3+    081007 114  0.4-  0.2-
081007 854  0.3-  0.7-    081007 114  0.1-  0.5-

Ephemeris:
2008 TD4                 a,e,i = 1.71, 0.58, 15                  q = 0.7171
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 10 01    23 27.61   +50 39.4    0.211    1.150   130.8    41.2    18.1
2008 10 11    23 50.81   +31 12.5    0.274    1.244   150.1    23.6    18.4
2008 10 21    00 02.89   +19 11.1    0.366    1.335   154.3    18.9    19.0
2008 10 31    00 12.45   +12 04.2    0.480    1.424   148.5    21.4    19.8
2008 11 10    00 21.85   +07 55.3    0.611    1.510   140.0    24.9    20.6
2008 11 20    00 31.76   +05 35.4    0.756    1.593   131.6    27.7    21.2
2008 11 30    00 42.37   +04 24.8    0.913    1.673   123.4    29.5    21.8

Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-T83

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