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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-C42 : 2003 XE

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M.P.E.C. 2004-C42                                Issued 2004 Feb. 11, 17:14 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

                                    2003 XE

                           Revision to MPEC 2003-X19

Additional Observations:
     K03X00E 9 1976 10 23.67014 04 49 27.73 -38 05 22.7                 EC042260
     K03X00E 9 1976 10 23.71181 04 49 27.60 -38 05 45.8                 EC042260
     K03X00E 9 1976 11 23.56330 04 20 06.94 -36 46 38.2                 EC042260
     K03X00E 9 1976 11 23.61191 04 20 00.45 -36 45 32.4                 EC042260
     K03X00E  C2004 02 08.47635 15 43 40.40 +34 15 32.2          20.0 R EC042926
     K03X00E  C2004 02 08.48028 15 43 40.86 +34 15 34.9          20.5 R EC042926
     K03X00E  C2004 02 08.48380 15 43 41.32 +34 15 37.8          20.0 R EC042926

Observer details:
260 Siding Spring-DSS.  Measurers M. Read, R. Haver, A. Pelloni, G. Forti.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
    f/7 Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
761023 260 0.39+ 0.28+    040208 926  1.9-  0.6+    MPO 58079   -0.00091 day

Orbital elements:
2003 XE
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M  95.39262              (2000.0)            P               Q
n   0.43997783     Peri.   17.28459     -0.27539352     -0.84782647
a   1.7120464      Node    90.63327     +0.81974992     -0.45333967
e   0.3534236      Incl.   26.94801     +0.50216380     +0.27508802
P   2.24           H   18.3           G   0.15           U   3
Residuals in seconds of arc
761023 260  0.1-  0.4-    031203 704  0.3-  0.5+    031220 941  0.9-  0.4-
761023 260  0.8-  0.0     031203 704  0.7-  0.4+    031220 941  0.5-  0.2-
761123 260  0.2+  0.7+    031203 704  0.2-  0.0     031220 941  0.6-  0.3-
761123 260  0.5+  0.9-    031203 704  0.2-  0.7-    031220 941  0.7+  0.3+
031201 704  0.6-  0.4+    031203 704  0.5+  0.3+    031230 446  0.2-  0.4-
031201 704  0.2+  0.3-    031207 J95  0.4-  0.3-    031230 446  0.1+  0.1-
031201 704  0.1-  1.2+    031207 J95  1.0-  0.9-    031230 446  0.4+  0.6-
031201 704  0.4-  0.6+    031209 926  0.7-  0.4-    031230 446  0.3-  0.1-
031203 A50  1.9+  0.2+    031209 926  0.0   0.9+    031230 446  0.4-  0.9+
031203 A50  1.2-  0.9+    031209 926  0.3+  0.6+    040106 926  0.6+  0.5-
031203 A50  1.0+  0.4-    031217 649  0.0   0.4-    040106 926  0.7+  1.3-
031203 A50  0.6-  0.5-    031217 649  0.5-  0.3-    040107 926  0.5-  0.7+
031203 A50  1.5+  0.5+    031217 649  0.4-  0.1-    040107 926  0.7+  0.4+
031203 A50 (4.7+  1.3-)   031219 704  0.3-  0.0     040107 926  0.8+  0.4+
031203 704  1.0+  0.1-    031219 704  0.2-  0.4+    040208 926  0.3-  0.4-
031203 704  0.0   0.6-    031219 704  0.5+  0.1-    040208 926  0.2-  0.2-
031203 704  0.1-  0.1-    031219 704  0.1+  0.4+    040208 926  0.4+  0.4+

Ephemeris:
2003 XE                  a,e,i = 1.71, 0.35, 27                  q = 1.1070
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 02 05    15 36.32   +33 39.1    0.672    1.230    93.9    53.1    19.8
2004 02 15    15 55.33   +35 24.3    0.694    1.271    96.7    50.5    19.9
2004 02 25    16 07.73   +37 11.1    0.711    1.316   100.1    47.8    20.0
2004 03 06    16 13.26   +38 56.3    0.724    1.363   104.0    44.9    20.0
2004 03 16    16 11.61   +40 31.7    0.733    1.411   108.5    41.9    20.0
2004 03 26    16 02.54   +41 42.9    0.742    1.460   113.4    38.8    20.0
2004 04 05    15 46.65   +42 08.9    0.753    1.510   118.2    35.7    20.0
2004 04 15    15 25.84   +41 29.7    0.770    1.559   122.6    32.8    20.1
2004 04 25    15 03.20   +39 32.3    0.797    1.608   125.9    30.5    20.2
2004 05 05    14 42.25   +36 18.9    0.838    1.657   127.4    28.9    20.3
2004 05 15    14 25.44   +32 07.5    0.894    1.704   126.8    28.4    20.5
2004 05 25    14 13.78   +27 22.1    0.966    1.750   124.3    28.6    20.7
2004 06 04    14 07.19   +22 25.6    1.055    1.795   120.3    29.2    21.0
2004 06 14    14 04.98   +17 34.5    1.158    1.838   115.3    30.0    21.2
2004 06 24    14 06.40   +12 57.8    1.274    1.879   109.8    30.6    21.5
2004 07 04    14 10.75   +08 40.2    1.400    1.919   104.0    30.9    21.8
2004 07 14    14 17.44   +04 42.6    1.534    1.957    98.2    30.9    22.0

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-C42

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