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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-T57 : 2005 TR45

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M.P.E.C. 2005-T57                                Issued 2005 Oct. 8, 20:47 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 TR45

Observations:
     K05T45R* C2005 10 07.09274 20 22 17.22 -17 26 55.3          19.3   ET057704
     K05T45R  C2005 10 07.10353 20 22 20.81 -17 26 55.6          19.9   ET057704
     K05T45R  C2005 10 07.12540 20 22 28.19 -17 26 56.9          19.5   ET057704
     K05T45R  C2005 10 07.13693 20 22 32.25 -17 26 56.9          19.4   ET057704
     K05T45R  C2005 10 08.08870 20 27 58.78 -17 27 24.9          19.3   ET057704
     K05T45R  C2005 10 08.09961 20 28 02.40 -17 27 23.6          19.1   ET057704
     K05T45R  C2005 10 08.11053 20 28 06.06 -17 27 23.5          19.4   ET057704
     K05T45R  C2005 10 08.12143 20 28 09.72 -17 27 24.4          19.3   ET057704
     K05T45R  C2005 10 08.13234 20 28 13.24 -17 27 24.2          19.4   ET057704
     K05T45R  C2005 10 08.47572 20 30 09.46 -17 26 59.5          19.6 V ET057E12
     K05T45R  C2005 10 08.47789 20 30 10.15 -17 26 59.0          19.0 V ET057E12
     K05T45R  C2005 10 08.48238 20 30 11.62 -17 26 58.9          19.3 V ET057E12
     K05T45R  C2005 10 08.48456 20 30 12.38 -17 26 58.4          19.4 V ET057E12
     K05T45R  C2005 10 08.49046 20 30 14.34 -17 26 59.0                 ET057E12
     K05T45R  C2005 10 08.49088 20 30 14.42 -17 26 59.7          19.6 V ET057E12
     K05T45R  C2005 10 08.49132 20 30 14.59 -17 26 59.0                 ET057E12
     K05T45R  C2005 10 08.49174 20 30 14.74 -17 26 58.8          19.4 V ET057E12
     K05T45R  C2005 10 08.49214 20 30 14.87 -17 26 58.1          20.0 V ET057E12
     K05T45R  C2005 10 08.81881 20 32 05.76 -17 27 15.3                 ET057J95
     K05T45R  C2005 10 08.82631 20 32 08.28 -17 27 15.3                 ET057J95
     K05T45R  C2005 10 08.83404 20 32 10.83 -17 27 15.3          18.9 R ET057J95

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, L. Manguso,
    D. Torres, R. Kracke, A. Milner, H. Love.  Measurers J. Stuart, R. Sayer,
    J. Evans, J. Kommers.  1.0-m f/2.15 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers E. C. Beshore,
    E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2005 TR45
Epoch 2005 Sept. 27.0 TT = JDT 2453640.5                MPC
M  12.28944              (2000.0)            P               Q
n   0.31684079     Peri.  125.54970     +0.58329220     +0.81226235
a   2.1309601      Node   180.13382     -0.78031863     +0.56025155
e   0.4995675      Incl.    7.30519     -0.22555056     +0.16232091
P   3.11           H   18.8           G   0.15
From 21 observations 2005 Oct. 7-8.

Ephemeris:
2005 TR45                a,e,i = 2.13, 0.50, 7                   q = 1.0664
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 10 07    20 21.75   -17 26.6    0.415    1.205   109.8    51.3    19.2
2005 10 17    21 14.98   -16 58.3    0.480    1.260   112.3    47.0    19.5
2005 10 27    21 59.30   -15 34.7    0.563    1.319   112.9    44.0    19.8
2005 11 06    22 36.07   -13 40.9    0.663    1.382   111.8    41.7    20.2
2005 11 16    23 07.16   -11 32.3    0.776    1.448   109.6    40.0    20.6
2005 11 26    23 34.15   -09 17.8    0.902    1.515   106.5    38.6    21.0
2005 12 06    23 58.29   -07 01.7    1.039    1.583   102.8    37.4    21.4
2005 12 16    00 20.47   -04 46.7    1.185    1.651    98.7    36.1    21.7
2005 12 26    00 41.25   -02 34.6    1.339    1.718    94.2    34.8    22.0

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-T57

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