• MPC Preparation (Info)

    • MPEC 2004-R65 : 2004 RY109

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    M.P.E.C. 2004-R65                                Issued 2004 Sept. 12, 14:05 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

                                  2004 RY109

Observations:
     K04RA9Y* C2004 09 11.34995 03 39 19.22 +39 29 23.5          18.9   ER065704
     K04RA9Y  C2004 09 11.36124 03 39 17.03 +39 30 18.3          18.8   ER065704
     K04RA9Y  C2004 09 11.37251 03 39 14.87 +39 31 12.7          18.7   ER065704
     K04RA9Y  C2004 09 11.38393 03 39 12.67 +39 32 07.8          18.8   ER065704
     K04RA9Y  C2004 09 11.39540 03 39 10.45 +39 33 02.5          18.8   ER065704
     K04RA9Y  C2004 09 11.95466 03 37 27.67 +40 16 49.7          18.7 R ER065J95
     K04RA9Y  C2004 09 11.95735 03 37 27.27 +40 16 59.7          19.0 R ER065J95
     K04RA9Y  C2004 09 12.16650 03 36 46.53 +40 33 34.0          18.5 V ER065941
     K04RA9Y  C2004 09 12.16695 03 36 46.44 +40 33 36.1          18.6 V ER065941
     K04RA9Y  C2004 09 12.16740 03 36 46.35 +40 33 38.1          18.4 V ER065941
     K04RA9Y  C2004 09 12.16785 03 36 46.25 +40 33 40.2          18.5 V ER065941
     K04RA9Y  C2004 09 12.16875 03 36 46.06 +40 33 44.5          18.5 V ER065941
     K04RA9Y  C2004 09 12.24352 03 36 33.95 +40 39 21.8          18.2 R ER065G90
     K04RA9Y  C2004 09 12.24667 03 36 33.34 +40 39 36.9          18.4 R ER065G90
     K04RA9Y  C2004 09 12.24983 03 36 32.75 +40 39 52.0          18.3 R ER065G90
     K04RA9Y  C2004 09 12.32751 03 36 17.65 +40 46 01.0          18.7 R ER065651
     K04RA9Y  C2004 09 12.32905 03 36 17.30 +40 46 08.2          18.8 R ER065651
     K04RA9Y  C2004 09 12.33225 03 36 16.69 +40 46 23.2          18.8 R ER065651
     K04RA9Y  C2004 09 12.39047 03 36 04.42 +40 50 55.9          19.2 R ER065H36
     K04RA9Y  C2004 09 12.39291 03 36 04.02 +40 51 05.8          19.4 R ER065H36
     K04RA9Y  C2004 09 12.39558 03 36 03.47 +40 51 22.5          19.6 R ER065H36

Observer details:
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
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.
941 Observatorio Pla D'Arguines.  Observer R. Ferrando.  0.36-m f/6.3
    Schmidt-Cassegrain + CCD.
G90 Three Buttes Observatory, Tucson.  Observer G. R. Jones.  0.4-m
    Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.3-m Schmidt-Cassegrain
    + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 RY109
Epoch 2004 Sept. 12.0 TT = JDT 2453260.5                MPC
M  25.80599              (2000.0)            P               Q
n   0.45527067     Peri.  308.05522     +0.51928404     +0.85266935
a   1.6734893      Node   352.52590     -0.57795071     +0.30087816
e   0.4390151      Incl.   26.20359     -0.62953718     +0.42711510
P   2.16           H   19.1           G   0.15
From 20 observations 2004 Sept. 11-12.

Ephemeris:
2004 RY109               a,e,i = 1.67, 0.44, 26                  q = 0.9388
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 12    03 37.30   +40 20.5    0.312    1.136   106.7    58.1    18.9
2004 09 22    02 58.29   +51 25.6    0.347    1.196   115.8    49.1    19.0
2004 10 02    02 04.57   +58 06.7    0.396    1.259   122.6    42.0    19.2
2004 10 12    01 07.12   +60 26.3    0.457    1.324   127.0    37.0    19.5
2004 10 22    00 22.46   +59 36.9    0.528    1.389   128.9    33.9    19.8
2004 11 01    23 56.75   +57 16.0    0.609    1.453   128.8    32.2    20.2
2004 11 11    23 46.60   +54 29.5    0.699    1.517   127.0    31.4    20.6
2004 11 21    23 47.20   +51 50.6    0.798    1.579   124.0    31.2    20.9
2004 12 01    23 54.88   +49 33.5    0.905    1.640   120.1    31.3    21.3
2004 12 11    00 07.21   +47 41.7    1.021    1.698   115.7    31.5    21.6
2004 12 21    00 22.76   +46 14.8    1.143    1.754   110.9    31.6    22.0

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-R65

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