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    • MPEC 2005-T85 : 2005 TH50

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    M.P.E.C. 2005-T85                                Issued 2005 Oct. 12, 12:00 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 Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                   2005 TH50

Observations:
     K05T50H*tC2005 10 11.28154 01 16 26.94 +06 55 48.1          19.0 V ET085691
     K05T50H tC2005 10 11.29879 01 15 53.32 +06 52 04.7          19.8 V ET085691
     K05T50H tC2005 10 11.31623 01 15 19.27 +06 48 19.6          19.6 V ET085691
     K05T50H tC2005 10 11.37732 01 13 21.08 +06 35 04.0          19.4 V ET085291
     K05T50H tC2005 10 11.38253 01 13 11.10 +06 33 55.0          19.0 V ET085291
     K05T50H tC2005 10 11.38795 01 13 00.63 +06 32 44.2          19.2 V ET085291
     K05T50H tC2005 10 12.26752 00 50 23.05 +03 38 49.2          19.7 V ET085291
     K05T50H tC2005 10 12.27442 00 50 11.80 +03 37 32.5          19.8 V ET085291
     K05T50H tC2005 10 12.28127 00 50 00.93 +03 36 19.5          19.4 V ET085291

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observers M. Block, R. Gorelli.  Measurer
    M. Block.  0.9-m f/3 reflector + CCD.

Orbital elements:
2005 TH50
Epoch 2005 Sept. 27.0 TT = JDT 2453640.5                MPC
M 135.76166              (2000.0)            P               Q
n   1.28706539     Peri.   18.07364     -0.82007085     +0.57224995
a   0.8370196      Node   196.83522     -0.52661039     -0.75717544
e   0.2261734      Incl.    0.73497     -0.22397613     -0.31498468
P   0.77           H   28.1           G   0.15
From 6 observations 2005 Oct. 11-12.

Ephemeris:
2005 TH50                a,e,i = 0.84, 0.23, 1                   q = 0.6477
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 10 07    04 13.36   +23 42.6    0.0130   1.008   128.0    51.4    20.6
2005 10 08    03 25.56   +20 26.4    0.0127   1.009   140.5    39.0    20.2
2005 10 09    02 39.76   +16 22.4    0.0130   1.010   153.1    26.6    19.9
2005 10 10    01 59.10   +12 04.4    0.0137   1.012   164.8    15.0    19.6
2005 10 11    01 24.86   +08 02.6    0.0149   1.013   175.0     4.9    19.4
2005 10 12    00 56.88   +04 33.0    0.0165   1.014   175.9     4.0    19.6
2005 10 13    00 34.25   +01 38.9    0.0183   1.016   168.7    11.1    20.1
2005 10 14    00 15.96   -00 43.0    0.0202   1.017   162.6    17.1    20.6
2005 10 15    00 01.07   -02 38.1    0.0224   1.018   157.4    22.1    21.0
2005 10 16    23 48.85   -04 11.9    0.0246   1.019   153.0    26.4    21.3
2005 10 17    23 38.72   -05 28.8    0.0269   1.020   149.2    30.0    21.6

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-T85

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