MPEC 2004-Y35 : 2004 YD5

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M.P.E.C. 2004-Y35                                Issued 2004 Dec. 21, 17:02 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 YD5

Observations:
     K04Y05D*tC2004 12 20.21977 05 33 11.92 +24 47 00.4          17.9 V EY035691
     K04Y05D tC2004 12 20.24516 05 32 53.11 +24 57 58.6          18.1 V EY035691
     K04Y05D tC2004 12 20.27050 05 32 35.91 +25 07 18.8          17.9 V EY035691
     K04Y05D tC2004 12 20.36964 05 31 45.13 +25 33 08.4          18.7 V EY035691
     K04Y05D tC2004 12 20.37560 05 31 43.02 +25 34 15.6          18.7 V EY035691
     K04Y05D tC2004 12 20.37947 05 31 41.59 +25 35 01.4          17.3 V EY035691
     K04Y05D  C2004 12 20.97144 05 32 09.67 +26 30 51.2                 EY035246
     K04Y05D  C2004 12 20.97229 05 32 09.52 +26 30 54.5                 EY035246
     K04Y05D  C2004 12 20.97517 05 32 09.06 +26 31 01.9                 EY035246
     K04Y05D  C2004 12 20.97582 05 32 08.65 +26 31 02.4                 EY035246
     K04Y05D HC2004 12 21.17950 05 32 33.12 +26 40 45.3          22.3 V EY035291
     K04Y05D HC2004 12 21.18404 05 32 32.41 +26 40 59.1          21.9 V EY035291
     K04Y05D HC2004 12 21.18901 05 32 31.46 +26 41 10.7          22.1 V EY035291
     K04Y05D HC2004 12 21.19475 05 32 30.52 +26 41 24.7          21.4 V EY035291
     K04Y05D HC2004 12 21.19908 05 32 29.87 +26 41 36.6          21.4 V EY035291
     K04Y05D HC2004 12 21.20384 05 32 29.07 +26 41 49.1          21.3 V EY035291
     K04Y05D 5C2004 12 21.21921 05 32 28.72 +26 41 58.7          21.0 R EY035673
     K04Y05D HC2004 12 21.22091 05 32 26.22 +26 42 28.3          21.3 V EY035291
     K04Y05D 5C2004 12 21.22870 05 32 27.16 +26 42 19.4                 EY035673
     K04Y05D 5C2004 12 21.24329 05 32 24.75 +26 42 51.6                 EY035673
     K04Y05D 5C2004 12 21.24977 05 32 23.67 +26 43 06.2                 EY035673
     K04Y05D 5C2004 12 21.25949 05 32 21.99 +26 43 27.6                 EY035673

Observer details:
246 Klet Observatory-KLENOT.  Observer M. Tichy.  1.06-m KLENOT Telescope
    + CCD.
291 LPL/Spacewatch II.  Observer A. S. Descour.  Measurer J. A. Larsen.  1.8-m
    f/2.7 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observers R. S. McMillan, S. B. Pope.
    Measurers R. S. McMillan, A. S. Descour.  0.9-m f/3 reflector + CCD.

Orbital elements:
2004 YD5
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M  24.47350              (2000.0)            P               Q
n   0.28742580     Peri.  262.06364     +0.98438303     +0.16439878
a   2.2739743      Node    88.45813     -0.12622531     +0.90842238
e   0.7828220      Incl.    3.61064     -0.12270787     +0.38437198
P   3.43           H   29.3           G   0.15           U   6
Residuals in seconds of arc
041220 691  0.7+  1.3-    041220 246  0.0   0.4+    041221 673  0.2+  1.0+
041220 691  0.1+  1.4+    041220 246 (4.0-  0.8-)   041221 291  0.7+  0.1-
041220 691  0.1-  1.2+    041221 291  0.8+  0.6-    041221 673  0.0   0.6-
041220 691  0.0   0.1+    041221 291  1.0+  1.2+    041221 673  0.1+  1.2-
041220 691  0.9+  1.7-    041221 291  1.0-  0.2-    041221 673  0.2+  0.5-
041220 691  0.1-  0.5+    041221 291  1.0-  0.8-    041221 673  0.3-  0.7+
041220 246  0.0   0.5-    041221 291  0.1-  0.2+
041220 246  0.2-  0.6+    041221 291  0.2-  1.0+

Ephemeris:
2004 YD5                 a,e,i = 2.27, 0.78, 4                   q = 0.4939
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 12 19.80 17 30.67   -40 10.7    0.00089  0.983    17.3   162.6    26.0
2004 12 19.85 16 46.52   -84 23.5    0.00026  0.984    61.2   118.8    16.1
2004 12 19.90 05 34.14   +05 29.8    0.00063  0.984   161.5    18.5    14.2
2004 12 19.95 05 33.12   +17 18.5    0.0013   0.985   172.3     7.6    15.4
2004 12 20.00 05 32.79   +20 54.2    0.0020   0.986   174.7     5.3    16.3
2004 12 20.05 05 32.63   +22 37.3    0.0028   0.987   175.2     4.8    16.9
2004 12 20.10 05 32.53   +23 35.4    0.0035   0.987   175.2     4.8    17.4
2004 12 20.15 05 32.47   +24 14.7    0.0042   0.988   175.1     4.9    17.8
2004 12 20.20 05 32.42   +24 42.4    0.0049   0.989   175.0     5.0    18.2
2004 12 20.25 05 32.39   +25 03.0    0.0056   0.989   174.8     5.2    18.5
2004 12 20.30 05 32.36   +25 19.0    0.0063   0.990   174.7     5.3    18.7
2004 12 20.35 05 32.34   +25 31.7    0.0071   0.991   174.5     5.4    19.0
2004 12 20.40 05 32.32   +25 42.0    0.0078   0.992   174.4     5.5    19.2
2004 12 20.45 05 32.31   +25 50.6    0.0085   0.992   174.3     5.6    19.4
2004 12 20.50 05 32.30   +25 57.9    0.0092   0.993   174.2     5.7    19.6
2004 12 20.55 05 32.29   +26 04.1    0.0099   0.994   174.1     5.8    19.7
2004 12 20.60 05 32.28   +26 09.5    0.011    0.994   174.0     5.9    19.9
2004 12 20.65 05 32.27   +26 14.2    0.011    0.995   174.0     6.0    20.0
2004 12 20.70 05 32.27   +26 18.3    0.012    0.996   173.9     6.0    20.2
2004 12 20.75 05 32.26   +26 22.0    0.013    0.996   173.8     6.1    20.3
2004 12 20.80 05 32.26   +26 25.3    0.014    0.997   173.7     6.2    20.4
2004 12 20.85 05 32.25   +26 28.3    0.014    0.998   173.7     6.2    20.5
2004 12 20.90 05 32.25   +26 30.9    0.015    0.999   173.6     6.3    20.7
2004 12 20.95 05 32.25   +26 33.3    0.016    0.999   173.6     6.3    20.8
2004 12 21.00 05 32.24   +26 35.6    0.016    1.000   173.5     6.4    20.9

2004 12 22.00 05 32.23   +26 58.0    0.031    1.014   172.4     7.3    22.3
2004 12 23.00 05 32.25   +27 06.1    0.045    1.028   171.5     8.1    23.2
2004 12 24.00 05 32.28   +27 10.1    0.060    1.042   170.5     8.9    23.9

     2004 YD5 passed 0.00023 AU from the Earth on Dec. 19.86 UT.

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-Y35

Read MPEC 2004-Y34 Read MPEC 2004-Y36


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