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  • MPEC 2005-Y47 : 2005 YU55

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    M.P.E.C. 2005-Y47                                Issued 2005 Dec. 29, 12:43 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
                      Supported in part by the TABASGO 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 YU55
    
    Observations:
         K05Y55U*FC2005 12 28.25072 06 53 24.60 +24 10 07.5          21.4 V EY047691
         K05Y55U FC2005 12 28.26806 06 53 21.19 +24 10 11.7          21.4 V EY047691
         K05Y55U FC2005 12 28.28596 06 53 17.67 +24 10 16.8          21.4 V EY047691
         K05Y55U  C2005 12 28.48219 06 52 38.22 +24 11 02.9          22.1 V EY047291
         K05Y55U  C2005 12 28.48684 06 52 37.26 +24 11 04.2          22.1 V EY047291
         K05Y55U HC2005 12 28.49159 06 52 36.38 +24 11 03.1                 EY047291
         K05Y55U  C2005 12 29.17693 06 50 25.10 +24 13 51.3                 EY047734
         K05Y55U  C2005 12 29.18029 06 50 24.62 +24 13 52.0          22.6 V EY047291
         K05Y55U  C2005 12 29.18483 06 50 23.78 +24 13 53.4          21.7 V EY047291
         K05Y55U  C2005 12 29.18916 06 50 22.89 +24 13 54.7          21.6 V EY047291
         K05Y55U  C2005 12 29.19906 06 50 20.72 +24 13 54.7                 EY047734
         K05Y55U  C2005 12 29.22125 06 50 16.26 +24 14 01.7          20.7 R EY047734
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
        reflector + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  Measurer D. Tibbets.  0.7-m
        reflector + CCD.
    
    Orbital elements:
    2005 YU55
    Epoch 2005 Dec. 16.0 TT = JDT 2453720.5                 MPC
    M 169.11098              (2000.0)            P               Q
    n   0.89504426     Peri.  273.04385     +0.14266712     +0.98977053
    a   1.0663662      Node     5.15848     -0.90533720     +0.13074975
    e   0.3258279      Incl.    0.39490     -0.40001332     +0.05708585
    P   1.10           H   22.4           G   0.15
    From 12 observations 2005 Dec. 28-29.  E-assumed.
    
    Ephemeris:
    2005 YU55                a,e,i = 1.07, 0.33, 0                   q = 0.7189
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2005 12 26    07 00.57   +24 00.1    0.434    1.414   170.3     6.7    21.8
    2006 01 05    06 28.15   +24 34.0    0.432    1.412   171.9     5.6    21.8
    2006 01 15    05 58.46   +24 38.7    0.452    1.406   155.0    17.2    22.3
    2006 01 25    05 36.65   +24 24.7    0.490    1.395   139.9    27.0    22.8
    2006 02 04    05 24.38   +24 07.7    0.540    1.379   126.9    34.8    23.2
    2006 02 14    05 20.85   +23 56.5    0.596    1.359   116.0    40.8    23.5
    2006 02 24    05 24.30   +23 52.2    0.653    1.333   106.7    45.3    23.8
    
    Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-Y47
    

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