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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-Y08 : 2004 YD

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M.P.E.C. 2004-Y08                                Issued 2004 Dec. 18, 12:30 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 YD

Observations:
     K04Y00D* C2004 12 17.21865 03 06 36.24 +24 56 15.8          18.9 R EY008699
     K04Y00D  C2004 12 17.23172 03 06 33.38 +24 53 43.3                 EY008699
     K04Y00D  C2004 12 17.24480 03 06 30.59 +24 51 12.0                 EY008699
     K04Y00D  C2004 12 17.25789 03 06 27.80 +24 48 39.5                 EY008699
     K04Y00D  C2004 12 17.93042 03 04 43.97 +22 42 10.6          19.4 R EY008J95
     K04Y00D  C2004 12 17.93704 03 04 42.65 +22 40 57.7          20.1 R EY008J95
     K04Y00D  C2004 12 17.94389 03 04 41.45 +22 39 44.5          19.7 R EY008J95
     K04Y00D  C2004 12 18.18521 03 04 08.85 +21 56 52.0          19.4 R EY008854
     K04Y00D  C2004 12 18.19007 03 04 07.97 +21 55 58.8          19.7 R EY008854
     K04Y00D  C2004 12 18.19492 03 04 07.01 +21 55 08.3          19.1 R EY008854
     K04Y00D  C2004 12 18.22472 03 03 59.70 +21 49 31.7          20.3 R EY008H36
     K04Y00D  C2004 12 18.23239 03 03 58.27 +21 48 06.6          19.9 R EY008H36
     K04Y00D  C2004 12 18.24005 03 03 56.95 +21 46 43.7          19.2 R EY008H36
     K04Y00D 2C2004 12 18.32857 03 03 42.19 +21 31 05.0          18.9 R EY008H06
     K04Y00D 2C2004 12 18.33795 03 03 40.61 +21 29 23.2          18.8 R EY008H06
     K04Y00D 2C2004 12 18.34787 03 03 39.06 +21 27 36.2          19.0 R EY008H06

Observer details:
699 Lowell Observatory-LONEOS.  Observer M. E. Van Ness.  0.59-m LONEOS
    Schmidt + 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.3-m f/6
    Schmidt-Cassegrain + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 YD
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M 220.11460              (2000.0)            P               Q
n   1.27217673     Peri.    7.69876     +0.05532143     +0.97672110
a   0.8435375      Node   265.63997     -0.92679709     -0.02699324
e   0.2380868      Incl.   11.99688     -0.37146559     +0.21280804
P   0.77           H   24.0           G   0.15           U   9
Residuals in seconds of arc
041217 699  0.6+  0.4+    041217 J95  0.3-  1.4+    041218 H36  0.3+  1.2-
041217 699  0.1+  0.5-    041218 854  0.2+  0.7+    041218 H06  0.4+  0.1+
041217 699  0.2+  0.1+    041218 854  0.9+  0.4-    041218 H06  0.1-  0.4-
041217 699  0.2+  0.2-    041218 854  0.4+  1.1+    041218 H06  0.8+  0.2-
041217 J95  0.5+  0.6-    041218 H36  0.2+  1.2+
041217 J95  1.0-  0.7-    041218 H36  0.4-  1.1-

Ephemeris:
2004 YD                  a,e,i = 0.84, 0.24, 12                  q = 0.6427
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 12 11    03 37.75   +48 58.5    0.057    1.033   147.9    30.4    19.2
2004 12 16    03 10.37   +29 02.2    0.064    1.038   147.1    30.9    19.4
2004 12 21    02 58.82   +14 28.4    0.078    1.042   137.0    40.1    20.1
2004 12 26    02 53.94   +04 55.7    0.096    1.044   127.2    48.6    20.8
2004 12 31    02 52.49   -01 18.3    0.115    1.044   119.2    55.3    21.4
2005 01 05    02 53.07   -05 29.1    0.135    1.043   112.6    60.5    21.9
2005 01 10    02 54.99   -08 22.3    0.156    1.040   107.1    64.6    22.3

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-Y08

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