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  • MPEC 2004-Y49 : 2004 YY23

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    M.P.E.C. 2004-Y49                                Issued 2004 Dec. 23, 11:56 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 YY23
    
    Observations:
         K04Y23Y* C2004 12 22.20611 07 16 03.46 +37 50 35.9          15.9 R EY049703
         K04Y23Y  C2004 12 22.21440 07 16 03.27 +37 48 55.4          15.8 R EY049703
         K04Y23Y  C2004 12 22.22264 07 16 03.04 +37 47 15.1          15.7 R EY049703
         K04Y23Y  C2004 12 22.23089 07 16 02.85 +37 45 35.1          15.8 R EY049703
         K04Y23Y  C2004 12 22.39234 07 15 57.84 +37 12 33.7          15.6 R EY049703
         K04Y23Y  C2004 12 22.39962 07 15 57.63 +37 11 03.1          15.7 R EY049703
         K04Y23Y  C2004 12 22.40667 07 15 57.37 +37 09 36.1          15.8 R EY049703
         K04Y23Y  C2004 12 22.41346 07 15 57.19 +37 08 11.6          15.8 R EY049703
         K04Y23Y  C2004 12 22.45573 07 15 55.93 +36 59 25.2          15.8 R EY049703
         K04Y23Y  C2004 12 22.45608 07 15 55.91 +36 59 21.1          15.8 R EY049703
         K04Y23Y  C2004 12 22.45643 07 15 55.89 +36 59 16.5          15.8 R EY049703
         K04Y23Y  C2004 12 22.45678 07 15 55.89 +36 59 12.2          15.8 R EY049703
         K04Y23Y  C2004 12 22.55660 07 15 53.59 +36 38 20.8          16.0 R EY049703
         K04Y23Y  C2004 12 22.55712 07 15 53.59 +36 38 13.8          16.0 R EY049703
         K04Y23Y  C2004 12 22.55764 07 15 53.59 +36 38 07.2          16.0 R EY049703
         K04Y23Y 5C2004 12 23.32153 07 15 50.79 +33 58 29.4          16.7 R EY049673
         K04Y23Y 5C2004 12 23.32269 07 15 50.76 +33 58 14.6                 EY049673
         K04Y23Y 5C2004 12 23.33218 07 15 50.46 +33 56 14.5                 EY049673
         K04Y23Y 5C2004 12 23.33439 07 15 50.38 +33 55 46.5                 EY049673
         K04Y23Y 5C2004 12 23.34329 07 15 50.09 +33 53 53.6                 EY049673
         K04Y23Y 5C2004 12 23.34479 07 15 50.04 +33 53 34.6                 EY049673
    
    Observer details:
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        reflector + CCD.
    703 Catalina Sky Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
        C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
        R. H. McNaught.  0.68-m Schmidt + CCD.
    
    Orbital elements:
    2004 YY23
    Epoch 2004 Dec. 21.0 TT = JDT 2453360.5                 MPC
    M 359.81010              (2000.0)            P               Q
    n   0.12717553     Peri.  175.68377     -0.05072336     -0.88379856
    a   3.9162193      Node   276.72449     +0.90170966     +0.15968577
    e   0.7100884      Incl.   27.92606     +0.42935629     -0.43977330
    P   7.75           H   19.0           G   0.15
    From 21 observations 2004 Dec. 22-23.
    
    Ephemeris:
    2004 YY23                a,e,i = 3.92, 0.71, 28                  q = 1.1354
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 12 21    07 16.13   +41 52.1    0.165    1.136   155.3    21.2    16.4
    2004 12 31    07 13.73   +06 47.0    0.165    1.141   162.0    15.5    16.2
    2005 01 10    07 10.74   -17 35.9    0.222    1.163   140.3    32.7    17.4
    2005 01 20    07 09.56   -29 00.4    0.305    1.199   128.8    39.8    18.4
    2005 01 30    07 11.15   -33 53.9    0.397    1.248   123.2    41.3    19.1
    2005 02 09    07 15.71   -35 36.1    0.493    1.307   120.4    40.6    19.6
    2005 02 19    07 23.29   -35 35.6    0.592    1.375   118.8    39.1    20.1
    2005 03 01    07 33.61   -34 38.5    0.694    1.449   117.7    37.3    20.5
    2005 03 11    07 46.19   -33 10.1    0.800    1.529   116.5    35.5    20.9
    2005 03 21    08 00.67   -31 27.5    0.912    1.611   115.2    34.0    21.2
    2005 03 31    08 16.54   -29 42.6    1.031    1.696   113.4    32.7    21.6
    2005 04 10    08 33.41   -28 03.0    1.157    1.783   111.1    31.6    21.9
    
    Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-Y49
    

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