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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-D03 : 2003 YN107

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M.P.E.C. 2005-D03                                Issued 2005 Feb. 17, 01:57 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

                                  2003 YN107

                           Revision to MPEC 2003-Y76

Additional Observations:
     K03YA7N 2C2005 01 08.58065610 36 22.159-30 58 08.33         23.9   ED003568
     K03YA7N 2C2005 01 08.58196410 36 21.847-30 58 15.00         23.4   ED003568
     K03YA7N 2C2005 01 08.58755110 36 20.568-30 58 43.27         23.6   ED003568
     K03YA7N 2C2005 01 08.58886710 36 20.258-30 58 49.96         22.7   ED003568
     K03YA7N 2C2005 01 08.59019210 36 19.965-30 58 56.54         23.2   ED003568
     K03YA7N 2C2005 01 08.59153210 36 19.633-30 59 03.11         22.9   ED003568
     K03YA7N 9C2005 02 14.16520408 17 59.937-56 38 53.96         22.3 R ED003809
     K03YA7N 9C2005 02 14.16677908 17 59.444-56 38 54.38         22.0 R ED003809
     K03YA7N 9C2005 02 14.16835208 17 58.949-56 38 54.65         22.3 R ED003809
     K03YA7N 9C2005 02 14.16992408 17 58.457-56 38 54.90         22.3 R ED003809

Observer details:
568 Mauna Kea.  Observers C. queue service observer T. Burdullis,
    f. D. J. Tholen, F. Bernardi.  Measurer D. J. Tholen.  3.6-m
    Canada-France-Hawaii Telescope + MegaCam.
809 European Southern Observatory, La Silla.  Observer A. Boattini.  3.58-m
    f/11 New Technology Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050108 568 20.9+  9.5+    050214 809 21.9+ 11.1-    MPO 58105   -0.0022 day

Orbital elements:
2003 YN107
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M 126.03244              (2000.0)            P               Q
n   0.99366057     Peri.   95.57300     +0.99540822     -0.06032268
a   0.9945898      Node   267.90076     +0.02624088     +0.91866022
e   0.0198783      Incl.    4.26509     +0.09205371     +0.39041589
P   0.99           H   26.4           G   0.15           U   1
Residuals in seconds of arc
031220 704  0.7+  1.0+    031225 926  1.0+  0.7+    040105 413  0.1+  0.1+
031220 704  0.7+  0.3+    031225 413  0.2+  0.1-    050108 568  0.0   0.1+
031220 704  0.5+  0.6+    031225 413  0.1+  0.5-    050108 568  0.1-  0.0
031220 704  0.8-  0.1+    031230 413  0.1+  0.1-    050108 568  0.1+  0.1-
031220 704  0.1+  0.2+    031230 413  0.2-  0.1+    050108 568  0.0   0.1-
031221 649  0.0   0.9+    040101 413  0.3+  0.2+    050108 568  0.2+  0.0
031221 649  0.7-  0.9+    040101 413  0.4-  0.6-    050108 568  0.1-  0.1+
031221 649  0.7-  0.5-    040101 413  0.3-  0.1-    050214 809  0.1-  0.2+
031224 649  0.9-  0.9-    040103 413  0.1+  0.0     050214 809  0.1-  0.1+
031224 649  0.1-  0.1-    040104 413  0.2+  0.1+    050214 809  0.1-  0.1+
031224 649  0.7+  0.0     040104 413  0.1-  0.9+    050214 809  0.1-  0.1+
031224 649  0.8-  1.2-    040105 413  0.4+  0.1+
031225 926  0.5+  0.3+    040105 413  0.1+  0.1+

Ephemeris:
2003 YN107               a,e,i = 0.99, 0.02, 4                   q = 0.9748
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 02 09    08 38.86   -55 54.2    0.064    1.009   108.5    68.0    22.9
2005 02 19    08 00.97   -56 45.0    0.070    1.011   106.9    69.3    23.1
2005 03 01    07 34.15   -55 50.5    0.074    1.013   105.0    70.9    23.3
2005 03 11    07 18.20   -53 53.7    0.077    1.014   103.0    72.7    23.4
2005 03 21    07 12.28   -51 25.5    0.079    1.014   101.1    74.6    23.5
2005 03 31    07 13.46   -48 46.7    0.079    1.014    98.9    76.7    23.6
2005 04 10    07 19.85   -45 53.5    0.076    1.013    96.6    79.1    23.6
2005 04 20    07 30.75   -42 47.4    0.072    1.012    94.0    81.9    23.6
2005 04 30    07 44.47   -39 18.5    0.067    1.011    90.9    85.3    23.5
2005 05 10    08 00.62   -34 56.0    0.060    1.008    87.0    89.6    23.5
2005 05 20    08 19.03   -29 05.8    0.052    1.006    81.8    95.3    23.4
2005 05 30    08 38.26   -20 27.3    0.043    1.003    74.3   103.3    23.4
2005 06 09    08 58.24   -06 44.7    0.035    1.000    63.4   114.8    23.6

Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-D03

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