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  • MPEC 2004-J42 : 2004 JR

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    M.P.E.C. 2004-J42                                Issued 2004 May 11, 14:22 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
    
                                        2004 JR
    
    Observations:
         K04J00R* C2004 05 09.28989 17 23 41.46 +40 54 46.0          19.5   EJ042704
         K04J00R  C2004 05 09.29881 17 23 41.62 +40 55 37.9          19.9   EJ042704
         K04J00R  C2004 05 09.30783 17 23 41.74 +40 56 29.0          20.4   EJ042704
         K04J00R  C2004 05 09.31673 17 23 42.05 +40 57 19.9          20.0   EJ042704
         K04J00R 5C2004 05 10.40313 17 24 14.15 +42 41 24.2          19.0 R EJ042673
         K04J00R 5C2004 05 10.40613 17 24 14.21 +42 41 40.2                 EJ042673
         K04J00R 5C2004 05 10.41076 17 24 14.32 +42 42 06.1                 EJ042673
         K04J00R 5C2004 05 10.41655 17 24 14.45 +42 42 39.3                 EJ042673
         K04J00R  C2004 05 10.41677 17 24 14.33 +42 42 42.5          19.6 R EJ042926
         K04J00R  C2004 05 10.41786 17 24 14.34 +42 42 48.5          19.2 R EJ042926
         K04J00R  C2004 05 10.41896 17 24 14.36 +42 42 54.6          19.5 R EJ042926
         K04J00R 5C2004 05 10.42211 17 24 14.59 +42 43 13.2                 EJ042673
         K04J00R 5C2004 05 10.43160 17 24 14.79 +42 44 04.9                 EJ042673
         K04J00R  C2004 05 10.93591 17 24 30.21 +43 32 23.4          19.7 V EJ042240
         K04J00R  C2004 05 10.93823 17 24 30.26 +43 32 36.8          19.6 V EJ042240
         K04J00R  C2004 05 10.94521 17 24 30.37 +43 33 18.0          19.4 V EJ042240
         K04J00R  C2004 05 10.94846 17 24 30.44 +43 33 37.0          19.7 V EJ042240
         K04J00R  C2004 05 10.95235 17 24 30.55 +43 33 59.4          19.8 V EJ042240
         K04J00R  C2004 05 11.28657 17 24 40.44 +44 06 08.5          19.8 R EJ042854
         K04J00R  C2004 05 11.29320 17 24 40.48 +44 06 46.0          19.6 R EJ042854
         K04J00R  C2004 05 11.29998 17 24 40.64 +44 07 26.3          19.8 R EJ042854
         K04J00R  C2004 05 11.40240 17 24 42.83 +44 17 16.9          19.8 R EJ042926
         K04J00R  C2004 05 11.40339 17 24 42.87 +44 17 22.6          20.1 R EJ042926
         K04J00R  C2004 05 11.40442 17 24 42.78 +44 17 28.3          19.6 R EJ042926
    
    Observer details:
    240 Herrenberg.  Observer H. Michels.  0.4-m f/5 Newtonian + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        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.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
        Schmidt-Cassegrain + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2004 JR
    Epoch 2004 Apr. 25.0 TT = JDT 2453120.5                 MPC
    M 329.19045              (2000.0)            P               Q
    n   0.32806182     Peri.  136.18734     +0.86010871     +0.34444827
    a   2.0820873      Node   210.78173     -0.23353495     +0.92164800
    e   0.6698890      Incl.   47.32466     +0.45351343     -0.17866269
    P   3.00           H   18.6           G   0.15
    From 24 observations 2004 May 9-11.
    
    Ephemeris:
    2004 JR                  a,e,i = 2.08, 0.67, 47                  q = 0.6873
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 05 05    17 21.34   +34 09.9    0.619    1.409   117.9    39.2    19.9
    2004 05 15    17 26.30   +50 01.7    0.588    1.304   106.3    48.1    19.8
    2004 05 25    17 29.73   +65 11.1    0.597    1.198    92.4    57.7    20.0
    2004 06 04    17 33.19   +78 12.9    0.634    1.090    79.1    66.0    20.1
    2004 06 14    18 31.77   +89 07.4    0.682    0.984    67.6    72.6    20.3
    
    Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-J42
    

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