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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-K13 : 2002 XX4

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M.P.E.C. 2004-K13                                Issued 2004 May 18, 15:55 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 Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                   2002 XX4

                           Revision to MPEC 2002-X39

Additional Observations:
     K02X04X  C2004 05 14.35166 15 47 58.95 -01 07 56.9          22.2 V EK013291
     K02X04X  C2004 05 14.35884 15 47 58.19 -01 07 59.4          22.3 V EK013291
     K02X04X  C2004 05 14.36586 15 47 57.42 -01 08 03.2          22.2 V EK013291
     K02X04X HC2004 05 18.18225 15 41 17.74 -01 37 50.3          22.5 V EK013291
     K02X04X HC2004 05 18.18605 15 41 17.35 -01 37 53.3          22.6 V EK013291
     K02X04X HC2004 05 18.19033 15 41 16.87 -01 37 55.6          21.6 V EK013291
     K02X04X HC2004 05 18.19617 15 41 16.23 -01 37 57.3          22.2 V EK013291
     K02X04X HC2004 05 18.20005 15 41 15.75 -01 38 00.5          22.3 V EK013291
     K02X04X HC2004 05 18.20392 15 41 15.38 -01 38 02.7          21.9 V EK013291

Observer details:
291 LPL/Spacewatch II.  Observers A. E. Gleason, M. Block.  1.8-m f/2.7
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
040514 291 0.11+ 0.07-    040518 291 0.11+ 0.08-    MPO 41879   -0.25 day

Orbital elements:
2002 XX4
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M 285.29673              (2000.0)            P               Q
n   0.41181057     Peri.  286.94096     +0.90944941     +0.00802658
a   1.7892501      Node    74.17624     +0.20581082     +0.86006576
e   0.2841525      Incl.   25.60167     -0.36130829     +0.51012005
P   2.39           H   19.9           G   0.15           U   5
Residuals in seconds of arc
021205 704  0.8+  0.7-    021206 704  0.7+  0.3+    021211 448  0.4-  1.3+
021205 704  0.4+  0.4-    021206 704  0.4-  0.5+    021212 926  0.3-  0.4+
021205 704  0.3-  1.0-    021210 858  0.3+  0.5-    021212 926  0.3+  0.4-
021205 704  0.8+  1.5-    021210 858  0.4-  0.3+    021212 926  0.2+  0.5-
021206 858  0.1-  0.8+    021210 704  0.0   0.5+    021213 715  0.3+  0.6-
021206 858  0.1-  0.3+    021210 704  0.7-  1.1+    021213 715  0.3+  0.6-
021206 858  0.0   0.1+    021210 704  0.9+  0.2+    021213 715  0.4+  0.7-
021206 649  0.4-  0.1+    021210 704  0.5-  0.4+    021228 715  0.4-  0.1+
021206 649  0.1-  0.0     021210 704  1.2+  0.6+    021228 715  0.2+  0.1+
021206 649  0.3-  0.2+    021210 704  0.0   0.3-    021228 715  0.3+  0.0
021206 704  0.8+  0.5+    021210 704  0.8-  0.3-    040514 291  0.1-  0.2-
021206 704  0.2-  0.0     021210 704  1.5-  0.1-    040514 291  0.1-  0.4+
021206 926  0.0   0.9-    021210 649  0.3+  0.2-    040514 291  0.5-  0.4-
021206 704  0.4+  0.6+    021210 649  0.5+  0.2-    040518 291  0.2+  0.9+
021206 926  0.1+  0.1+    021210 649  0.2+  0.1+    040518 291  0.5+  0.2-
021206 926  0.8-  0.1-    021211 704  0.8+  1.3-    040518 291  0.3+  0.3-
021206 704  0.1-  0.9+    021211 704  1.0-  1.3-    040518 291  0.2+  0.9+
021206 704  0.7-  0.5-    021211 704  0.2-  0.4+    040518 291  0.6-  0.3-
021206 704  0.2+  0.1-    021211 704  1.2+  0.6-    040518 291  0.1+  0.6-
021206 704  0.5+  0.5+    021211 448  0.6-  1.0+
021206 704  0.4-  0.3+    021211 448  1.2-  1.1+

Ephemeris:
2002 XX4                 a,e,i = 1.79, 0.28, 26                  q = 1.2808
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 05 15    15 46.87   -01 12.6    1.013    1.998   161.8     9.1    22.0
2004 05 25    15 29.05   -02 42.2    0.987    1.968   159.4    10.4    22.0
2004 06 04    15 11.66   -04 40.5    0.987    1.936   150.5    15.0    22.1
2004 06 14    14 56.72   -07 00.4    1.011    1.903   139.7    20.2    22.3
2004 06 24    14 45.63   -09 34.1    1.055    1.869   128.9    25.0    22.5
2004 07 04    14 39.04   -12 15.1    1.113    1.834   118.9    29.0    22.7

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-K13

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