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  • MPEC 1997-W01 : 1997 UF9

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    M.P.E.C. 1997-W01                                Issued 1997 Nov. 22, 16:02 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.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                       URL http://cfa-www.harvard.edu/iau/mpc.html
    
                                       1997 UF9
    
                               Revision to MPEC 1997-V16
    
    Observations:
         J97U09F  C1997 11 09.30569 02 08 29.28 +17 04 30.1          17.9 R      696
         J97U09F  C1997 11 09.30633 02 08 29.18 +17 04 30.1          17.9 R      696
         J97U09F  C1997 11 09.30696 02 08 29.08 +17 04 30.1          18.0 R      696
         J97U09F  C1997 11 18.92383 01 44 47.02 +16 59 02.1                      587
         J97U09F  C1997 11 18.92755 01 44 46.46 +16 59 02.5                      587
         J97U09F  C1997 11 21.91679 01 37 54.76 +16 56 20.7          18.7 V      046
         J97U09F  C1997 11 21.91940 01 37 54.42 +16 56 20.4                      046
         J97U09F  C1997 11 21.92420 01 37 53.75 +16 56 19.9                      046
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
        0.57-m f/5.2 reflector + CCD.
    587 Sormano.  Observers P. Sicoli, F. Manca.  0.5-m reflector + CCD.
    696 Whipple Observatory, Mt. Hopkins.  Observer C. W. Hergenrother.
        1.2-m reflector + CCD.
    
    Orbital elements:
    1997 UF9
    Epoch 1997 Nov. 8.0 TT = JDT 2450760.5                  Marsden
    M 257.27846              (2000.0)            P               Q
    n   0.56935258     Peri.  157.73648     -0.94299948     +0.20316825
    a   1.4417231      Node    37.27610     -0.33080986     -0.65862331
    e   0.6033560      Incl.   25.79788     +0.03628790     -0.72452605
    P   1.73           H   16.5           G   0.15
    From 97 observations 1997 Oct. 29-Nov. 21.
    
    Ephemeris:
    1997 UF9                 a,e,i = 1.44, 0.60, 26                  q = 0.5719
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1997 11 18    01 46.97   +16 59.9    1.004    1.944   154.6    12.6    18.7
    1997 11 23    01 35.52   +16 55.4    1.012    1.917   147.0    16.3    18.8
    1997 11 28    01 25.14   +16 51.2    1.027    1.889   139.6    19.8    18.9
    1997 12 03    01 16.05   +16 48.6    1.047    1.861   132.5    23.0    19.0
    1997 12 08    01 08.39   +16 48.8    1.072    1.831   125.7    25.9    19.1
    1997 12 13    01 02.19   +16 52.8    1.100    1.800   119.3    28.5    19.2
    1997 12 18    00 57.42   +17 01.1    1.130    1.768   113.3    30.7    19.3
    1997 12 23    00 54.02   +17 14.1    1.161    1.734   107.6    32.7    19.4
    1997 12 28    00 51.93   +17 32.0    1.193    1.700   102.3    34.4    19.5
    1998 01 02    00 51.04   +17 55.0    1.225    1.664    97.2    35.9    19.5
    1998 01 07    00 51.28   +18 23.0    1.256    1.628    92.4    37.1    19.6
    1998 01 12    00 52.54   +18 55.8    1.284    1.590    88.0    38.2    19.6
    1998 01 17    00 54.74   +19 33.4    1.311    1.550    83.7    39.1    19.6
    1998 01 22    00 57.82   +20 15.5    1.334    1.510    79.7    39.9    19.6
    1998 01 27    01 01.71   +21 02.0    1.354    1.468    75.9    40.6    19.6
    1998 02 01    01 06.37   +21 52.6    1.371    1.425    72.3    41.2    19.6
    1998 02 06    01 11.78   +22 47.2    1.383    1.381    69.0    41.8    19.5
    1998 02 11    01 17.88   +23 45.6    1.391    1.335    65.8    42.4    19.5
    1998 02 16    01 24.69   +24 47.5    1.394    1.288    62.8    43.0    19.4
    1998 02 21    01 32.18   +25 52.6    1.391    1.240    60.0    43.7    19.4
    1998 02 26    01 40.40   +27 00.8    1.384    1.190    57.3    44.5    19.3
    1998 03 03    01 49.35   +28 11.7    1.370    1.139    54.9    45.4    19.2
    1998 03 08    01 59.07   +29 24.8    1.351    1.088    52.6    46.5    19.1
    1998 03 13    02 09.59   +30 39.5    1.325    1.035    50.6    47.9    19.0
    1998 03 18    02 20.98   +31 54.9    1.293    0.981    48.7    49.6    18.9
    1998 03 23    02 33.31   +33 10.0    1.254    0.927    46.9    51.8    18.7
    1998 03 28    02 46.64   +34 22.9    1.208    0.873    45.4    54.5    18.6
    1998 04 02    03 01.01   +35 31.5    1.155    0.819    44.0    57.9    18.5
    1998 04 07    03 16.43   +36 32.1    1.094    0.767    42.7    62.2    18.3
    1998 04 12    03 32.79   +37 19.8    1.026    0.717    41.4    67.5    18.2
    1998 04 17    03 49.86   +37 47.4    0.950    0.672    40.1    74.3    18.1
    1998 04 22    04 07.12   +37 44.8    0.867    0.632    38.6    82.6    18.1
    1998 04 27    04 23.68   +36 58.3    0.780    0.600    36.6    92.7    18.1
    1998 05 02    04 38.24   +35 10.0    0.691    0.580    33.8   104.6    18.4
    1998 05 07    04 49.20   +31 58.1    0.604    0.572    30.0   118.2    18.9
                           (Last issue was M.P.E.C. 1997-V29)
    
    Brian G. Marsden             (C) Copyright 1997 MPC           M.P.E.C. 1997-W01
    

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    MPEC number:

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