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Minor Planet Center

MPEC 2004-Y22 : 2004 YQ

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M.P.E.C. 2004-Y22                                Issued 2004 Dec. 19, 14:43 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
             Prepared using the Tamkin Foundation Computer Network

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

                                    2004 YQ

Observations:
     K04Y00Q* C2004 12 18.29268 05 10 51.80 +12 43 02.3          18.9   EY022704
     K04Y00Q  C2004 12 18.30754 05 10 57.62 +12 49 46.1          19.0   EY022704
     K04Y00Q  C2004 12 18.32618 05 11 04.92 +12 58 11.5          19.1   EY022704
     K04Y00Q  C2004 12 18.34012 05 11 10.45 +13 04 27.8          19.1   EY022704
     K04Y00Q  C2004 12 18.35366 05 11 15.76 +13 10 32.3          19.2   EY022704
     K04Y00Q  C2004 12 19.29508 05 18 02.67 +19 37 05.7          18.7 R EY022854
     K04Y00Q  C2004 12 19.29894 05 18 04.06 +19 38 31.8          18.6 R EY022854
     K04Y00Q  C2004 12 19.30283 05 18 05.33 +19 39 59.0          18.7 R EY022854
     K04Y00Q 2C2004 12 19.43595 05 18 51.26 +20 28 26.4          18.1 R EY022H06
     K04Y00Q 2C2004 12 19.43897 05 18 52.38 +20 29 32.0          17.9 R EY022H06
     K04Y00Q 2C2004 12 19.44205 05 18 53.37 +20 30 38.4          17.8 R EY022H06

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory.  Observer R. Hutsebaut.  0.30-m reflector
    + CCD.

Orbital elements:
2004 YQ
Epoch 2004 Dec. 1.0 TT = JDT 2453340.5                  MPC
M   8.93914              (2000.0)            P               Q
n   0.41217455     Peri.  308.73271     +0.77309122     -0.57321599
a   1.7881966      Node    87.90460     +0.63281508     +0.66778812
e   0.4904023      Incl.   15.76887     +0.04330181     +0.47484993
P   2.39           H   24.4           G   0.15
From 11 observations 2004 Dec. 18-19.

Ephemeris:
2004 YQ                  a,e,i = 1.79, 0.49, 16                  q = 0.9113
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 12 11    03 34.97   -56 25.9    0.049    0.993    97.9    79.3    20.6
2004 12 13    04 12.10   -40 22.4    0.042    1.002   114.4    63.4    19.8
2004 12 15    04 39.57   -19 14.6    0.039    1.013   135.7    42.8    19.1
2004 12 17    05 00.20   +01 43.6    0.043    1.023   156.4    22.7    18.7
2004 12 19    05 16.03   +17 44.1    0.051    1.034   170.5     9.0    18.6
2004 12 21    05 28.45   +28 33.4    0.062    1.046   171.7     7.8    19.0
2004 12 23    05 38.39   +35 46.5    0.076    1.057   166.3    12.8    19.7
2004 12 25    05 46.50   +40 43.1    0.090    1.069   161.7    16.8    20.2
2004 12 27    05 53.23   +44 12.9    0.105    1.081   158.2    19.8    20.7
2004 12 29    05 58.89   +46 45.6    0.120    1.094   155.5    21.9    21.1
2004 12 31    06 03.72   +48 39.1    0.136    1.106   153.4    23.5    21.4
2005 01 02    06 07.92   +50 04.7    0.152    1.119   151.6    24.7    21.7
2005 01 04    06 11.62   +51 09.8    0.169    1.133   150.1    25.6    22.0
2005 01 06    06 14.93   +51 59.1    0.185    1.146   148.8    26.4    22.2
2005 01 08    06 17.95   +52 36.3    0.202    1.159   147.6    27.0    22.5
2005 01 10    06 20.75   +53 03.8    0.220    1.173   146.5    27.5    22.7

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-Y22

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