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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-W63 : 1994 XL1

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M.P.E.C. 2005-W63                                Issued 2005 Nov. 26, 17:16 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
                  Supported in part by the TABASGO Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                   1994 XL1

                           Revision to MPEC 1994-X06

Additional Observations:
     J94X01L  C2005 11 25.47845 09 44 31.34 +25 36 27.0          19.0 V EW063703
     J94X01L  C2005 11 25.48840 09 44 28.71 +25 35 31.2          18.7 V EW063703
     J94X01L  C2005 11 25.49845 09 44 26.08 +25 34 33.6          19.0 V EW063703
     J94X01L  C2005 11 25.50850 09 44 23.46 +25 33 37.5          18.2 V EW063703
     J94X01L  C2005 11 26.37867 09 40 49.70 +24 05 29.5          18.6 R EW063734
     J94X01L  C2005 11 26.38100 09 40 48.98 +24 05 15.9          18.2 R EW063734
     J94X01L  C2005 11 26.38255 09 40 48.55 +24 05 06.6          18.4 R EW063734
     J94X01L  C2005 11 26.41213 09 40 41.35 +24 02 03.4          18.2 V EW063703
     J94X01L  C2005 11 26.42286 09 40 38.26 +24 00 54.7                 EW063703
     J94X01L  C2005 11 26.42297 09 40 38.25 +24 00 54.2          18.9 R EW063854
     J94X01L  C2005 11 26.42582 09 40 37.36 +24 00 35.1          18.9 R EW063854
     J94X01L  C2005 11 26.42867 09 40 36.66 +24 00 18.5          18.9 R EW063854
     J94X01L  C2005 11 26.43358 09 40 35.19 +23 59 45.9          19.4 V EW063703
     J94X01L  C2005 11 26.44433 09 40 32.07 +23 58 37.2          18.5 V EW063703
     J94X01L  C2005 11 26.51148 09 40 12.02 +23 51 25.3          18.6 R EW063711
     J94X01L  C2005 11 26.51444 09 40 11.18 +23 51 07.4          18.8 R EW063711
     J94X01L  C2005 11 26.51732 09 40 10.30 +23 50 47.9          18.8 R EW063711

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
    E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  0.76-m reflector + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
051125 703 0.38- 3.13+    051126 711 0.59- 3.25+    MPO 66053   +0.94 day

Orbital elements:
1994 XL1                                                             PHA 0.022D
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5                  MPC
M   1.71111              (2000.0)            P               Q
n   1.79389847     Peri.  356.51697     -0.34800579     +0.82208743
a   0.6708171      Node   252.69736     -0.84832397     -0.48074066
e   0.5263540      Incl.   28.16324     -0.39904687     +0.30505849
P   0.55           H   20.9           G   0.15           U   4
Residuals in seconds of arc
941206 413 (0.5-  1.2-)   941210 670  1.1+  0.2-    941219 413  1.5+  0.1-
941206 413(17.8+ 17.0+)   941210 670 (3.0+  1.1-)   941219 413  0.2+  0.2+
941207 413  0.1-  0.2-    941210 670  0.2-  0.1+    941220 413  0.5+  0.2-
941207 413 (8.2+  9.2+)   941210 670  0.1-  0.4+    941220 413  0.5+  0.2-
941208 675 (3.9-  3.1-)   941210 670 (4.8+  0.3+)   941220 413  0.3+  0.3-
941208 675 (1.3+  3.9-)   941210 670 (2.2-  0.3-)   941220 413  1.3+  0.5-
941208 675 (3.8+  1.3-)   941210 896 (5.8-  1.4+)   941221 413  0.4-  0.3-
941208 675(13.1+ 11.2+)   941210 896 (6.2-  5.6-)   941221 413  0.9-  0.3-
941209 670  1.4-  1.1-    941210 422 (2.2+  0.7+)   941221 413  0.8-  0.4-
941209 670  1.1-  1.4-    941210 422  1.6+  1.8+    941221 413  0.6-  0.2-
941209 670 (2.6-  0.5-)   941210 422  1.5+  0.9+    941222 413  0.9-  0.4-
941209 670 (2.3-  1.1+)   941210 897  0.7+  0.9+    941222 413  1.2-  0.4-
941209 670  0.4-  0.8-    941210 897  0.8+  0.7-    941222 413  1.3-  0.2-
941209 897 (2.2+  0.2-)   941210 897  0.1-  1.5+    051125 703  0.1-  0.6-
941209 897  1.0-  0.1+    941210 897  1.2+  1.3+    051125 703  0.6-  0.1-
941209 897  0.2-  0.5-    941210 897  0.1+  0.8+    051125 703  0.6-  0.7-
941209 897  0.3+  0.4-    941210 422  1.0+  0.5+    051125 703  0.5-  0.3+
941209 360  0.8-  0.2+    941210 422  1.3+  0.7+    051126 734  0.7+  1.2-
941209 360  0.3+  0.7+    941210 422  0.1+  1.0+    051126 734  0.2-  0.1-
941209 422  1.4-  0.6-    941213 413  0.2-  0.4-    051126 734  0.1-  0.4+
941209 422  0.0   0.2-    941213 413  0.7-  0.1-    051126 703  1.0+  1.1+
941209 422  0.1-  1.6-    941213 413  0.2-  0.1-    051126 703  0.4+  0.5+
941209 896 (3.1-  1.8-)   941218 413  0.3+  0.1+    051126 854  0.5+  0.6+
941209 896 (2.8-  3.3-)   941218 413  0.1+  0.1-    051126 854  0.5-  0.4-
941209 896 (1.9-  2.8-)   941218 413  0.0   0.3-    051126 854  1.0+  1.2+
941209 360  0.3+  0.1-    941218 413  0.1-  0.1+    051126 703  0.2+  0.0
941209 360  0.1+  0.5-    941218 413  0.4-  0.2-    051126 703  0.3-  0.1-
941209 896 (4.3-  2.0-)   941218 413  0.5+  0.7+    051126 711  0.0   0.8-
941209 360  0.2+  0.2+    941218 413  0.6-  0.1+    051126 711  0.5+  0.7+
941209 422  0.5+  0.1+    941219 413  0.2+  0.1+    051126 711  0.0   0.1+
941209 422  1.6-  0.8-    941219 413  0.1-  0.2+

Ephemeris:
1994 XL1                 a,e,i = 0.67, 0.53, 28                  q = 0.3177
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 11 26    09 42.40   +24 45.5    0.124    1.024   103.9    69.4    18.9
2005 11 28    09 32.98   +20 51.5    0.108    1.023   106.8    67.4    18.5
2005 11 30    09 20.82   +15 37.3    0.0927   1.022   110.1    65.0    18.1
2005 12 02    09 04.76   +08 24.8    0.0789   1.020   113.5    62.5    17.7
2005 12 04    08 43.07   -01 34.3    0.0673   1.017   116.5    60.1    17.2
2005 12 06    08 13.13   -14 50.3    0.0593   1.014   117.9    59.2    16.9
2005 12 08    07 31.36   -30 17.1    0.0564   1.011   115.6    61.5    16.9
2005 12 10    06 34.42   -44 29.0    0.0595   1.006   109.8    67.1    17.1
2005 12 12    05 23.66   -54 12.9    0.0676   1.002   102.7    73.5    17.6
2005 12 14    04 09.77   -59 03.0    0.0791   0.996    96.3    79.2    18.1
2005 12 16    03 06.16   -60 32.6    0.0928   0.990    90.9    83.7    18.6
2005 12 18    02 17.87   -60 21.9    0.108    0.983    86.5    87.2    19.1
2005 12 20    01 42.76   -59 31.9    0.123    0.976    82.8    90.0    19.5
2005 12 22    01 17.05   -58 30.6    0.140    0.968    79.5    92.4    19.8
2005 12 24    00 57.70   -57 29.6    0.156    0.959    76.6    94.3    20.1
2005 12 26    00 42.66   -56 33.1    0.172    0.950    73.9    96.1    20.4
2005 12 28    00 30.56   -55 42.0    0.189    0.940    71.4    97.6    20.7
2005 12 30    00 20.51   -54 56.3    0.205    0.930    69.0    99.1    20.9
2006 01 01    00 11.90   -54 15.5    0.222    0.919    66.7   100.5    21.1
2006 01 03    00 04.29   -53 38.9    0.238    0.907    64.5   101.8    21.3
2006 01 05    23 57.39   -53 05.8    0.254    0.894    62.4   103.0    21.5

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-W63

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