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IAU Minor Planet Center

Minor Planet Center

MPEC 2006-A03 : 2005 YX128

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M.P.E.C. 2006-A03                                Issued 2006 Jan. 1, 23:29 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 YX128

Observations:
     K05YC8X* C2005 12 30.40850 09 41 53.07 +05 30 34.9          19.0   EA003704
     K05YC8X  C2005 12 30.42145 09 41 55.52 +05 30 01.9          19.0   EA003704
     K05YC8X  C2005 12 30.43438 09 41 58.06 +05 29 28.5          19.2   EA003704
     K05YC8X  C2005 12 30.44753 09 42 00.63 +05 28 54.6          18.8   EA003704
     K05YC8X  C2005 12 30.46071 09 42 03.19 +05 28 21.2          19.0   EA003704
     K05YC8X  C2005 12 31.26463 09 44 51.32 +04 52 35.3          18.0 R EA003734
     K05YC8X  C2005 12 31.26541 09 44 51.46 +04 52 33.2          18.2 R EA003734
     K05YC8X  C2005 12 31.27164 09 44 52.76 +04 52 16.0          18.0 R EA003734
     K05YC8X  C2005 12 31.27242 09 44 52.93 +04 52 13.9          18.3 R EA003734
     K05YC8X  C2005 12 31.27319 09 44 53.07 +04 52 11.6          18.4 R EA003734
     K05YC8X  C2005 12 31.44445 09 45 28.61 +04 44 22.9          17.9 R EA003711
     K05YC8X  C2005 12 31.44851 09 45 29.45 +04 44 11.0          18.0 R EA003711
     K05YC8X  C2005 12 31.45259 09 45 30.27 +04 43 59.9          18.1 R EA003711
     K05YC8X  C2006 01 01.03712 09 47 38.90 +04 16 08.8          18.2 V EA003A50
     K05YC8X  C2006 01 01.03904 09 47 39.36 +04 16 03.5          18.4 V EA003A50
     K05YC8X  C2006 01 01.04058 09 47 39.67 +04 15 58.9          18.4 V EA003A50
     K05YC8X  C2006 01 01.04250 09 47 40.07 +04 15 53.4          18.5 V EA003A50
     K05YC8X  C2006 01 01.95984 09 51 12.55 +03 29 47.1          17.3 R EA003143
     K05YC8X  C2006 01 01.96391 09 51 13.51 +03 29 34.0          18.0 R EA003143

Observer details:
143 Gnosca.  Observer S. Sposetti.  0.40-m f/4 reflector + CCD.
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.
711 McDonald Observatory.  Observer J. G. Ries.  0.76-m reflector + CCD
    + prime-focus corrector.
734 Farpoint Observatory.  Observer G. Hug.  0.7-m reflector + CCD.
A50 Andrushivka Astronomical Observatory.  Observer Y. Ivashchenko.  0.6-m
    f/2.0 reflector + CCD.

Orbital elements:
2005 YX128                                               Earth MOID = 0.0559 AU
Epoch 2005 Dec. 16.0 TT = JDT 2453720.5                 MPC
M 339.02565              (2000.0)            P               Q
n   0.26309511     Peri.  313.77077     -0.81238742     +0.57760152
a   2.4120938      Node   261.66877     -0.50908052     -0.76945097
e   0.7594997      Incl.    4.63876     -0.28436544     -0.27262003
P   3.75           H   18.8           G   0.15
From 19 observations 2005 Dec. 30-2006 Jan. 1.

Ephemeris:
2005 YX128               a,e,i = 2.41, 0.76, 5                   q = 0.5801
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 12 26    09 28.70   +08 14.3    0.434    1.314   132.1    33.8    19.0
2006 01 05    10 04.69   +00 30.4    0.285    1.189   130.5    38.9    18.0
2006 01 15    11 29.81   -17 55.0    0.169    1.060   112.7    58.8    17.2
2006 01 25    15 33.38   -42 21.5    0.153    0.931    65.5   105.9    18.5
2006 02 04    18 34.38   -36 29.9    0.256    0.806    39.8   128.5    20.9

Gareth V. Williams           (C) Copyright 2006 MPC           M.P.E.C. 2006-A03

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