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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-X15 : 2005 XN

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M.P.E.C. 2005-X15                                Issued 2005 Dec. 4, 04:34 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

                                    2005 XN

Observations:
     K05X00N* C2005 12 02.32909 05 47 38.40 +19 03 08.4          18.6   EX015704
     K05X00N  C2005 12 02.34182 05 47 38.29 +19 08 03.4          19.0   EX015704
     K05X00N  C2005 12 02.35476 05 47 38.15 +19 13 02.9          19.9   EX015704
     K05X00N  C2005 12 02.36786 05 47 37.98 +19 18 03.8          18.7   EX015704
     K05X00N  C2005 12 02.38111 05 47 37.87 +19 23 09.1          18.5   EX015704
     K05X00N  C2005 12 03.22779 05 48 15.71 +24 39 48.3          18.9 R EX015734
     K05X00N  C2005 12 03.23094 05 48 15.74 +24 40 57.6          18.9 R EX015734
     K05X00N  C2005 12 03.23406 05 48 15.67 +24 42 05.4          19.4 R EX015734
     K05X00N  C2005 12 03.85472 05 48 40.28 +28 21 06.6          18.8 R EX015143
     K05X00N  C2005 12 03.85977 05 48 40.41 +28 22 51.6          18.4 R EX015143
     K05X00N  C2005 12 03.86496 05 48 40.44 +28 24 40.4          18.6 R EX015143
     K05X00N  C2005 12 03.87004 05 48 40.36 +28 26 27.0          18.9 R EX015143
     K05X00N  C2005 12 04.15866 05 48 52.91 +30 04 37.3          19.8 R EX015854
     K05X00N  C2005 12 04.16389 05 48 52.81 +30 06 23.7          19.9 R EX015854

Observer details:
143 Gnosca.  Observer S. Sposetti.  0.40-m f/4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, L. Manguso,
    D. Torres, R. Kracke, A. Milner, H. Love.  Measurers J. Stuart, R. Sayer,
    J. Evans, J. Kommers.  1.0-m f/2.15 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.

Orbital elements:
2005 XN
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5                  MPC
M  52.11813              (2000.0)            P               Q
n   0.45393127     Peri.  335.81091     +0.64936533     -0.68508703
a   1.6767796      Node    71.84216     +0.74201612     +0.47572302
e   0.3910529      Incl.   20.32977     +0.16654355     +0.55167324
P   2.17           H   24.4           G   0.15           U   9
Residuals in seconds of arc
051202 704  1.2-  0.0     051203 734  0.0   0.1+    051203 143  0.5+  0.2-
051202 704  0.4-  0.3+    051203 734  0.7+  0.4+    051203 143  1.1-  0.4+
051202 704  0.1+  0.7+    051203 734  0.0   0.1-    051204 854  0.8+  0.5+
051202 704  0.1+  0.7-    051203 143  0.2-  0.2-    051204 854  1.3-  0.2+
051202 704  0.8+  0.6-    051203 143  0.8+  0.7-

Ephemeris:
2005 XN                  a,e,i = 1.68, 0.39, 20                  q = 1.0211
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 11 26    05 42.64   -21 29.5    0.0676   1.033   131.6    45.6    20.4
2005 12 06    05 49.73   +39 25.7    0.0735   1.054   158.8    19.7    19.8
2005 12 16    05 52.83   +65 30.1    0.131    1.085   137.7    37.6    21.7
2005 12 26    05 53.88   +73 18.6    0.200    1.123   129.9    42.2    22.8

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-X15

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