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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-S47 : 2002 XN40

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M.P.E.C. 2005-S47                                Issued 2005 Sept. 25, 22:08 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

                                   2002 XN40

                           Revision to MPEC 2002-X75

Additional Observations:
     K02X40N  C2005 09 24.76766 23 35 17.34 +45 04 12.9                 ES047540
     K02X40N  C2005 09 24.78002 23 35 16.26 +45 04 10.6          21.5 R ES047540
     K02X40N  C2005 09 25.76322 23 33 48.06 +45 01 46.7                 ES047540
     K02X40N  C2005 09 25.76868 23 33 47.55 +45 01 46.3          21.5 R ES047540

Observer details:
540 Linz.  Observer E. Meyer.  0.6-m f/3.3 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050924 540 55.3- 32.9-    050925 540 55.4- 33.4-    MPO 48303   +0.042 day

Orbital elements:
2002 XN40
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5                 MPC
M 278.46625              (2000.0)            P               Q
n   0.30791029     Peri.  216.21736     -0.54846666     -0.71549095
a   2.1719671      Node   271.13136     +0.83213749     -0.41626497
e   0.4239299      Incl.   25.64643     +0.08204589     -0.56106700
P   3.20           H   18.2           G   0.15           U   2
Residuals in seconds of arc
021210 704 (2.0+  2.1+)   021213 704  0.0   0.2-    030103 118  0.2-  0.3-
021210 704  1.9+  1.8+    021213 448  0.3-  0.1-    030105 704  0.2-  0.1+
021210 704  1.4+  1.2+    021213 448  0.3-  0.0     030105 704  0.5-  0.6-
021210 704  1.6+  1.6+    021213 704  0.4+  0.2-    030105 704  0.8-  0.1+
021210 704  1.0+  1.8+    021213 448  0.4-  0.2-    030105 704  1.1-  0.3+
021211 704  0.3+  0.4-    021213 704  0.2+  0.6+    030105 704  0.8-  0.3-
021211 704  0.1+  0.5-    021213 704  0.3+  0.5-    030108 246  0.2-  0.7+
021211 704  0.1+  1.3-    021213 854  0.7-  1.4-    030108 246  0.1-  0.3+
021211 704  0.1-  0.6-    021213 854  0.0   0.5-    030108 246  0.2-  0.6+
021212 704  0.1+  0.2-    021213 704  0.3+  0.2-    030108 246  0.3-  0.7+
021212 704  0.2-  0.4-    021213 854  0.3-  0.6-    030120 246  0.0   0.8+
021212 704  0.0   0.1-    021213 670  0.1+  0.4-    030120 246  0.9-  0.0
021212 704  0.4-  0.2+    021213 704  0.0   0.2-    030120 246  0.2+  1.0+
021212 704  0.0   0.5+    021213 704  0.6-  0.3+    030120 246  0.4-  1.1+
021212 246  0.0   0.1-    021213 926  0.0   0.1-    030120 246  0.7-  0.6+
021212 246  0.2+  0.0     021213 926  0.3-  0.5-    030126 644  0.1-  0.7-
021212 246  0.6+  0.4-    021213 926  0.6-  0.8-    030126 644  0.0   0.9-
021212 246  0.6+  0.3-    021215 704  1.0-  0.4+    030126 644  0.0   0.4-
021212 246  0.7+  0.0     021215 704  0.6-  0.1+    030309 711  0.8+  0.6-
021212 246  0.3+  0.5-    021215 704  0.5-  0.7+    030309 711  1.4+  0.3-
021213 858  0.0   0.4-    021215 704  0.2-  0.1+    030309 711  0.3+  0.0
021213 858  0.2-  0.2+    021215 704  0.4-  0.8+    030309 474  0.4+  0.2+
021213 858  0.6+  0.5+    021220 448  0.1+  0.2-    030309 474  0.1-  0.3+
021213 918 (1.1+  2.9+)   021220 448  0.3+  0.2-    030423 413  0.5+  0.0
021213 704  0.3+  0.2+    021220 448  0.0   0.2-    030423 413  0.3+  0.3+
021213 704  0.5-  0.8+    021227 448  0.1-  0.1-    050924 540  0.2-  0.6+
021213 918  0.3+  0.1-    021227 448  0.2-  0.0     050924 540  0.2+  0.3-
021213 670  0.9-  0.5-    021227 448  0.0   0.2-    050925 540  0.3-  0.2+
021213 704  0.1+  0.8-    030103 118  0.8+  0.3-    050925 540  0.4-  0.6+
021213 918  0.1+  0.5-    030103 118  0.8+  0.5-

Ephemeris:
2002 XN40                a,e,i = 2.17, 0.42, 26                  q = 1.2512
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 09 17    23 46.58   +45 05.0    1.472    2.275   132.6    19.0    21.8
2005 09 27    23 31.95   +44 58.0    1.398    2.228   135.6    18.4    21.6
2005 10 07    23 17.37   +43 56.8    1.343    2.179   136.4    18.5    21.5
2005 10 17    23 05.01   +42 05.3    1.307    2.129   134.6    19.5    21.4
2005 10 27    22 56.51   +39 35.7    1.289    2.078   130.6    21.3    21.4
2005 11 06    22 52.75   +36 44.4    1.288    2.026   125.0    23.6    21.4
2005 11 16    22 53.89   +33 48.5    1.301    1.973   118.4    26.2    21.4
2005 11 26    22 59.58   +31 01.4    1.325    1.920   111.5    28.6    21.5
2005 12 06    23 09.33   +28 32.3    1.356    1.866   104.5    30.7    21.5
2005 12 16    23 22.59   +26 26.2    1.393    1.811    97.8    32.6    21.6
2005 12 26    23 38.85   +24 44.1    1.433    1.757    91.3    34.0    21.6
2006 01 05    23 57.72   +23 25.0    1.474    1.702    85.2    35.1    21.6
2006 01 15    00 18.86   +22 26.4    1.514    1.648    79.5    35.9    21.7
2006 01 25    00 42.00   +21 44.3    1.552    1.595    74.2    36.4    21.6
2006 02 04    01 06.96   +21 14.6    1.587    1.543    69.3    36.7    21.6
2006 02 14    01 33.56   +20 52.8    1.619    1.494    64.7    36.7    21.6
2006 02 24    02 01.64   +20 33.9    1.647    1.446    60.6    36.6    21.6

Gareth V. Williams           (C) Copyright 2005 MPC           M.P.E.C. 2005-S47

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