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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-Y28 : 2005 YN3

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M.P.E.C. 2005-Y28                                Issued 2005 Dec. 23, 23:58 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 YN3

Observations:
     K05Y03N* C2005 12 22.27571 04 51 39.94 +46 00 11.5          19.5   EY028704
     K05Y03N  C2005 12 22.28906 04 51 38.32 +45 59 11.5          19.9   EY028704
     K05Y03N  C2005 12 22.30242 04 51 36.74 +45 58 11.9          19.8   EY028704
     K05Y03N  C2005 12 22.31586 04 51 35.13 +45 57 12.9          19.6   EY028704
     K05Y03N  C2005 12 23.83633 04 48 54.15 +44 05 42.1          19.5 R EY028J87
     K05Y03N  C2005 12 23.83858 04 48 53.57 +44 05 32.2          19.1 R EY028143
     K05Y03N  C2005 12 23.84192 04 48 53.59 +44 05 17.8          19.8 R EY028J87
     K05Y03N  C2005 12 23.84674 04 48 52.73 +44 04 57.0          18.9 R EY028143
     K05Y03N  C2005 12 23.84676 04 48 53.07 +44 04 57.3          19.4 R EY028J87
     K05Y03N  C2005 12 23.85081 04 48 52.32 +44 04 39.2          19.4 R EY028143
     K05Y03N  C2005 12 23.85426 04 48 51.95 +44 04 24.1          19.2 R EY028143
     K05Y03N  C2005 12 23.86316 04 48 51.02 +44 03 46.0          19.7 R EY028143

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.
J87 La Canada.  Observer J. Lacruz.  0.30-m Schmidt-Cassegrain + CCD.

Orbital elements:
2005 YN3
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5                  MPC
M  78.32575              (2000.0)            P               Q
n   0.44279686     Peri.   80.79475     +0.82325834     +0.00111475
a   1.7047722      Node   277.50412     -0.27336524     +0.87719037
e   0.3649146      Incl.   34.92961     +0.49751095     +0.48014144
P   2.23           H   19.5           G   0.15           U   9
Residuals in seconds of arc
051222 704  0.5-  0.2+    051223 J87  0.0   0.1-    051223 J87  0.3+  0.1+
051222 704  0.3-  0.4-    051223 143  0.5-  0.0     051223 143  0.0   0.0
051222 704  0.3+  0.4-    051223 J87  0.3+  0.3-    051223 143  0.0   0.2-
051222 704  0.6+  0.6+    051223 143  0.2-  0.2+    051223 143  0.2+  0.3+

Ephemeris:
2005 YN3                 a,e,i = 1.70, 0.36, 35                  q = 1.0827
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 12 16    05 07.20   +53 53.2    0.467    1.405   149.0    21.1    19.6
2005 12 26    04 45.61   +41 31.2    0.509    1.457   153.5    17.6    19.8
2006 01 05    04 37.25   +31 02.9    0.587    1.508   146.7    21.0    20.3
2006 01 15    04 36.64   +23 15.9    0.693    1.560   136.3    25.8    20.8
2006 01 25    04 40.82   +17 49.6    0.819    1.610   126.2    29.5    21.4
2006 02 04    04 48.27   +14 06.4    0.959    1.660   117.2    31.9    21.9

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-Y28

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