MPEC 2004-Y09 : 2004 YE

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M.P.E.C. 2004-Y09                                Issued 2004 Dec. 18, 12:32 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 YE

Observations:
     K04Y00E  C2004 12 15.18740 04 21 47.45 +27 42 34.6          19.6   EY009704
     K04Y00E  C2004 12 15.20150 04 22 00.13 +27 43 30.6          19.8   EY009704
     K04Y00E  C2004 12 15.21455 04 22 11.84 +27 44 23.3          20.0   EY009704
     K04Y00E  C2004 12 15.22761 04 22 23.51 +27 45 14.5          19.9   EY009704
     K04Y00E  C2004 12 15.24124 04 22 35.75 +27 46 07.3          19.4   EY009704
     K04Y00E* C2004 12 17.23646 04 54 18.46 +29 37 28.6          19.0   EY009704
     K04Y00E  C2004 12 17.24996 04 54 30.45 +29 38 07.5          19.4   EY009704
     K04Y00E  C2004 12 17.27823 04 54 55.49 +29 39 25.8          19.4   EY009704
     K04Y00E  C2004 12 17.29178 04 55 07.50 +29 40 03.1          19.5   EY009704
     K04Y00E  C2004 12 18.06348 05 07 07.76 +30 12 30.6          19.6 R EY009J95
     K04Y00E  C2004 12 18.07311 05 07 16.25 +30 12 52.9          19.8 R EY009J95
     K04Y00E  C2004 12 18.22752 05 09 46.20 +30 19 46.8          19.7 R EY009854
     K04Y00E  C2004 12 18.23222 05 09 50.45 +30 19 57.1          19.8 R EY009854
     K04Y00E 2C2004 12 18.28676 05 10 36.66 +30 22 02.0          18.8 R EY009H06
     K04Y00E 2C2004 12 18.29223 05 10 41.36 +30 22 13.4          18.9 R EY009H06
     K04Y00E 2C2004 12 18.29764 05 10 46.09 +30 22 25.6          19.2 R EY009H06
     K04Y00E  C2004 12 18.38737 05 12 04.20 +30 25 33.8          19.7 R EY009448
     K04Y00E  C2004 12 18.39210 05 12 08.32 +30 25 43.0          19.5 R EY009448
     K04Y00E  C2004 12 18.39748 05 12 13.02 +30 25 53.5          19.7 R EY009448

Observer details:
448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
    Schmidt-Cassegrain + CCD.
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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 YE
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M  14.78098              (2000.0)            P               Q
n   0.28125759     Peri.    5.40601     +0.26165080     -0.96485424
a   2.3071007      Node    69.42773     +0.88453999     +0.22960447
e   0.5505609      Incl.    1.49316     +0.38617077     +0.12782053
P   3.50           H   24.9           G   0.15           U   5
Residuals in seconds of arc
041215 704  0.1+  0.4-    041217 704  0.1+  0.1+    041218 H06  0.3-  0.9-
041215 704  0.2+  0.7-    041217 704  0.2+  0.2+    041218 H06  0.4+  0.5-
041215 704  0.2+  0.3+    041218 J95  0.6+  0.6-    041218 448  0.3+  0.2+
041215 704  0.3-  0.3+    041218 J95  0.6-  0.2+    041218 448  0.0   0.2+
041215 704  0.0   0.1+    041218 854  0.9-  1.2+    041218 448  0.3-  0.3+
041217 704  0.5-  0.7+    041218 854  1.3+  0.2+
041217 704  0.1-  1.0+    041218 H06  0.1+  0.2-

Ephemeris:
2004 YE                  a,e,i = 2.31, 0.55, 1                   q = 1.0369
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 12 11    03 17.92   +22 14.1    0.058    1.037   153.4    25.1    20.0
2004 12 16    04 34.67   +28 32.7    0.059    1.041   165.4    13.8    19.6
2004 12 21    05 50.30   +31 34.4    0.066    1.049   171.7     7.8    19.6
2004 12 26    06 49.34   +31 48.6    0.078    1.060   169.3     9.9    20.1
2004 12 31    07 29.81   +30 50.5    0.093    1.074   166.8    12.1    20.6
2005 01 05    07 56.41   +29 36.8    0.112    1.092   166.3    12.3    21.1
2005 01 10    08 13.82   +28 27.8    0.132    1.113   167.3    11.2    21.4
2005 01 15    08 25.34   +27 27.7    0.155    1.136   169.3     9.3    21.7
2005 01 20    08 33.14   +26 35.8    0.179    1.162   171.4     7.2    22.0

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-Y09

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