• Processing (Info)

    • MPEC 2003-Y89 : 2003 YR117

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    M.P.E.C. 2003-Y89                                Issued 2003 Dec. 29, 12:23 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 Steven and Michele Kirsch 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 YR117

Observations:
     K03YB7R* C2003 12 28.36329 08 27 53.32 +34 46 18.4          17.5   EY089704
     K03YB7R  C2003 12 28.37659 08 27 54.58 +34 50 49.7          17.6   EY089704
     K03YB7R  C2003 12 28.38990 08 27 55.86 +34 55 20.3          17.6   EY089704
     K03YB7R  C2003 12 28.40342 08 27 57.15 +34 59 53.1          17.6   EY089704
     K03YB7R  C2003 12 29.24875 08 30 24.93 +39 12 43.4          17.9 R EY089H36
     K03YB7R  C2003 12 29.25290 08 30 25.14 +39 13 51.4          18.0 R EY089H36
     K03YB7R  C2003 12 29.25706 08 30 25.68 +39 14 58.6          18.0 R EY089H36
     K03YB7R  C2003 12 29.27010 08 30 29.95 +39 18 32.9          17.7 R EY089854
     K03YB7R  C2003 12 29.27462 08 30 30.44 +39 19 47.4          17.8 R EY089854
     K03YB7R  C2003 12 29.27915 08 30 30.73 +39 21 00.5          17.8 R EY089854

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
    Schmidt-Cassegrain + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.3-m Schmidt-Cassegrain
    + CCD.

Orbital elements:
2003 YR117
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 MPC
M  13.03678              (2000.0)            P               Q
n   0.38448539     Peri.  317.36482     +0.57938124     -0.75896319
a   1.8730505      Node    95.03861     +0.80482795     +0.47516104
e   0.5072575      Incl.   17.35509     +0.12872202     +0.44519307
P   2.56           H   23.3           G   0.15           U   9
Residuals in seconds of arc
031228 704  0.0   0.4+    031229 H36  0.6+  0.1+    031229 854  0.9+  0.2+
031228 704  0.2-  0.2-    031229 H36  1.5-  0.5+    031229 854  0.6-  0.2-
031228 704  0.0   0.0     031229 H36  0.4+  0.1+
031228 704  0.1+  0.2-    031229 854  0.1+  0.8-

Ephemeris:
2003 YR117               a,e,i = 1.87, 0.51, 17                  q = 0.9229
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 12 27    08 23.26   +25 14.6    0.037    1.016   152.1    27.0    17.4
2004 01 01    08 35.83   +48 01.1    0.070    1.043   146.5    31.4    19.0
2004 01 06    08 40.75   +55 18.4    0.109    1.072   142.8    33.7    20.0
2004 01 11    08 41.90   +58 26.9    0.148    1.102   141.1    34.1    20.8
2004 01 16    08 41.02   +59 53.2    0.189    1.135   140.1    33.8    21.4
2004 01 21    08 39.22   +60 24.7    0.231    1.169   139.4    33.3    21.8
2004 01 26    08 37.32   +60 21.3    0.274    1.203   138.6    32.8    22.3

Kyle E. Smalley              (C) Copyright 2003 MPC           M.P.E.C. 2003-Y89

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