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  • MPEC 1999-Y24 : 1999 YF3

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    M.P.E.C. 1999-Y24                                Issued 1999 Dec. 25, 20:43 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       1999 YF3
    
    Observations:
         J99Y03F* C1999 12 19.43554 08 59 13.71 +61 50 23.1          18.2        704
         J99Y03F  C1999 12 19.45113 08 59 09.47 +61 50 01.0          18.1        704
         J99Y03F  C1999 12 19.46656 08 59 05.38 +61 49 37.8          18.5        704
         J99Y03F  C1999 12 19.48213 08 59 01.21 +61 49 15.2          18.4        704
         J99Y03F  C1999 12 19.49748 08 58 57.06 +61 48 52.7          18.3        704
         J99Y03F  C1999 12 20.04762 08 56 37.65 +61 35 20.2                      557
         J99Y03F  C1999 12 20.05227 08 56 36.26 +61 35 14.1                      557
         J99Y03F  C1999 12 20.05692 08 56 34.96 +61 35 06.2                      557
         J99Y03F  C1999 12 20.14263 08 56 11.65 +61 32 57.6          17.7 R      046
         J99Y03F  C1999 12 20.14404 08 56 11.30 +61 32 55.5                      046
         J99Y03F  C1999 12 20.14581 08 56 10.80 +61 32 52.7                      046
         J99Y03F  C1999 12 20.14756 08 56 10.32 +61 32 50.4          17.5 R      046
         J99Y03F  C1999 12 20.37640 08 55 12.23 +61 27 08.8          17.9        704
         J99Y03F  C1999 12 20.39158 08 55 07.95 +61 26 45.8          18.3        704
         J99Y03F  C1999 12 20.40677 08 55 03.70 +61 26 23.4          18.7        704
         J99Y03F  C1999 12 20.42226 08 54 59.42 +61 25 59.2          18.8        704
         J99Y03F  C1999 12 20.43748 08 54 55.33 +61 25 36.4          18.7        704
         J99Y03F  C1999 12 20.99828 08 52 28.65 +61 10 50.5          18.8 V      595
         J99Y03F  C1999 12 21.00507 08 52 26.84 +61 10 39.7                      595
         J99Y03F  C1999 12 21.01519 08 52 23.97 +61 10 25.4                      595
         J99Y03F  C1999 12 21.03219 08 52 19.30 +61 09 59.1                      595
         J99Y03F  C1999 12 22.01064 08 47 55.50 +60 42 59.7                      118
         J99Y03F  C1999 12 22.01225 08 47 55.04 +60 42 56.2                      118
         J99Y03F  C1999 12 22.01657 08 47 53.74 +60 42 48.6                      118
         J99Y03F  C1999 12 22.85978 08 44 02.44 +60 17 55.9          17.0 R      046
         J99Y03F  C1999 12 22.86106 08 44 02.32 +60 17 53.4                      046
         J99Y03F  C1999 12 22.86307 08 44 01.69 +60 17 50.9                      046
         J99Y03F  C1999 12 22.86631 08 44 00.75 +60 17 45.5                      046
         J99Y03F  C1999 12 22.88013 08 43 56.99 +60 17 20.8                      046
         J99Y03F  C1999 12 23.02788 08 43 14.26 +60 13 01.0                      118
         J99Y03F  C1999 12 23.03029 08 43 13.61 +60 12 56.8                      118
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy, Z. Moravec.  0.57-m f/5.2 reflector
        + CCD.
    118 Modra.  Observers A. Galad, P. Koleny.  0.6-m f/5.5 reflector + CCD.
    557 Ondrejov.  Observer L. Sarounova.  0.65-m f/3.6 reflector + CCD.
    595 Farra d'Isonzo.  Observers E. Pettarin.  0.40-m f/4.5 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, M. Elowitz, R. Huber.  Measurers J. Stuart, H. Viggh,
        R. Sayer, J. B. Evans.  1.0-m f/2.15 reflector + CCD.
    
    Orbital elements:
    1999 YF3
    Epoch 1999 Dec. 8.0 TT = JDT 2451520.5                  Williams
    M 357.84820              (2000.0)            P               Q
    n   0.54424595     Peri.  146.67778     +0.02407214     -0.91918052
    a   1.4857278      Node   299.00163     +0.79058627     +0.25817168
    e   0.1429849      Incl.   26.70902     +0.61187734     -0.29741311
    P   1.81           H   18.3           G   0.15
    From 31 observations 1999 Dec. 19-23.
    
    Ephemeris:
    1999 YF3                 a,e,i = 1.49, 0.14, 27                  q = 1.2733
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1999 12 18    09 05.16   +62 22.9    0.403    1.274   128.2    37.4    18.4
    1999 12 23    08 43.36   +60 13.8    0.378    1.275   133.9    33.8    18.1
    1999 12 28    08 19.23   +57 14.6    0.355    1.277   140.3    29.5    17.9
    2000 01 02    07 54.64   +53 14.9    0.336    1.279   147.2    24.6    17.6
    2000 01 07    07 31.57   +48 12.6    0.324    1.282   153.9    19.7    17.4
    2000 01 12    07 11.47   +42 17.4    0.318    1.286   159.1    15.8    17.2
    2000 01 17    06 55.09   +35 51.5    0.320    1.290   160.5    14.8    17.2
    2000 01 22    06 42.51   +29 22.6    0.330    1.295   157.2    17.1    17.4
    2000 01 27    06 33.38   +23 15.5    0.347    1.300   151.3    21.3    17.6
    2000 02 01    06 27.27   +17 46.7    0.371    1.306   144.7    25.8    17.9
    2000 02 06    06 23.73   +13 03.0    0.400    1.312   138.3    30.0    18.2
    2000 02 11    06 22.36   +09 04.1    0.434    1.319   132.4    33.5    18.5
    2000 02 16    06 22.81   +05 45.6    0.471    1.326   127.2    36.4    18.8
    2000 02 21    06 24.74   +03 01.5    0.510    1.334   122.5    38.7    19.0
    2000 02 26    06 27.91   +00 45.8    0.551    1.342   118.3    40.5    19.2
    2000 03 02    06 32.14   -01 06.8    0.594    1.350   114.5    41.9    19.5
    2000 03 07    06 37.27   -02 40.8    0.637    1.359   111.1    42.9    19.7
    2000 03 12    06 43.20   -04 00.1    0.681    1.368   108.1    43.7    19.8
    2000 03 17    06 49.82   -05 08.0    0.725    1.377   105.3    44.2    20.0
    
    2000 03 27    07 04.77   -06 58.7    0.814    1.396   100.3    44.7    20.3
    2000 04 06    07 21.63   -08 27.5    0.902    1.416    96.1    44.6    20.5
    2000 04 16    07 40.09   -09 44.5    0.988    1.436    92.3    44.3    20.8
    2000 04 26    07 59.85   -10 56.3    1.072    1.457    88.9    43.7    21.0
    2000 05 06    08 20.76   -12 07.0    1.155    1.477    85.8    42.9    21.1
    2000 05 16    08 42.67   -13 19.7    1.235    1.497    83.0    42.1    21.3
    2000 05 26    09 05.44   -14 35.8    1.314    1.517    80.3    41.2    21.4
    2000 06 05    09 29.00   -15 55.9    1.391    1.536    77.6    40.2    21.5
    2000 06 15    09 53.27   -17 20.4    1.468    1.555    75.1    39.1    21.6
    2000 06 25    10 18.16   -18 48.5    1.544    1.573    72.5    38.1    21.8
    2000 07 05    10 43.66   -20 19.4    1.619    1.590    69.9    36.9    21.8
    2000 07 15    11 09.71   -21 51.8    1.695    1.606    67.3    35.7    21.9
    2000 07 25    11 36.27   -23 24.0    1.771    1.620    64.6    34.5    22.0
    
    Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-Y24
    

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