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  • MPEC 1998-U18 : 1998 UQ1

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    M.P.E.C. 1998-U18                                Issued 1998 Oct. 21, 22:39 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
    
                                       1998 UQ1
    
    Observations:
         J98U01Q* C1998 10 19.19747 02 51 30.43 +48 16 28.3          17.9        704
         J98U01Q  C1998 10 19.21788 02 51 27.56 +48 15 08.4          18.9        704
         J98U01Q  C1998 10 19.23818 02 51 24.71 +48 13 46.0          18.3        704
         J98U01Q  C1998 10 19.25851 02 51 21.41 +48 12 24.1          17.9        704
         J98U01Q  C1998 10 20.04741 02 49 31.70 +47 17 45.9                      557
         J98U01Q  C1998 10 20.04903 02 49 31.48 +47 17 39.4                      557
         J98U01Q  C1998 10 20.05066 02 49 31.24 +47 17 32.6                      557
         J98U01Q  C1998 10 20.09809 02 49 24.44 +47 14 11.5          17.1 V      046
         J98U01Q  C1998 10 20.09926 02 49 24.28 +47 14 06.5                      046
         J98U01Q  C1998 10 20.10036 02 49 24.11 +47 14 01.4                      046
         J98U01Q  C1998 10 20.10188 02 49 23.87 +47 13 55.0                      046
         J98U01Q  C1998 10 20.26228 02 49 02.87 +47 02 35.3          17.8 V      673
         J98U01Q  C1998 10 20.27050 02 49 01.71 +47 01 59.9                      673
         J98U01Q  C1998 10 20.43866 02 48 37.40 +46 49 58.1                      658
         J98U01Q  C1998 10 20.44109 02 48 37.05 +46 49 47.8                      658
         J98U01Q  C1998 10 20.44443 02 48 36.58 +46 49 33.4                      658
         J98U01Q  C1998 10 20.58674 02 48 17.34 +46 39 33.0          17.1 R      422
         J98U01Q  C1998 10 20.58831 02 48 16.99 +46 39 26.0          17.0 R      422
         J98U01Q  C1998 10 20.78079 02 47 51.08 +46 25 12.2          17.7 V      104
         J98U01Q  C1998 10 20.78299 02 47 50.80 +46 25 02.5                      104
         J98U01Q  C1998 10 20.78513 02 47 50.51 +46 24 53.1                      104
         J98U01Q  C1998 10 20.79380 02 47 49.47 +46 24 13.4                      104
         J98U01Q  C1998 10 20.81218 02 47 46.63 +46 22 54.3                      106
         J98U01Q  C1998 10 20.82554 02 47 44.80 +46 21 56.7                      106
         J98U01Q  C1998 10 20.82973 02 47 44.21 +46 21 37.8                      106
         J98U01Q  C1998 10 20.94123 02 47 28.23 +46 13 32.0                      557
         J98U01Q  C1998 10 20.94285 02 47 27.99 +46 13 24.5                      557
         J98U01Q  C1998 10 20.94448 02 47 27.75 +46 13 17.4          17.5 V      557
         J98U01Q  C1998 10 20.97714 02 47 23.01 +46 10 54.8                      118
         J98U01Q  C1998 10 20.98435 02 47 21.98 +46 10 22.9          16.8 R      118
         J98U01Q  C1998 10 20.98756 02 47 21.51 +46 10 08.5                      118
         J98U01Q  C1998 10 21.10885 02 47 04.14 +46 01 11.2          17.0 V      046
         J98U01Q  C1998 10 21.10965 02 47 03.95 +46 01 07.6                      046
         J98U01Q  C1998 10 21.11056 02 47 03.81 +46 01 03.6                      046
         J98U01Q  C1998 10 21.11152 02 47 03.66 +46 00 59.0                      046
         J98U01Q  C1998 10 21.30782 02 46 37.16 +45 46 25.6                      673
         J98U01Q  C1998 10 21.31743 02 46 35.81 +45 45 42.5          17.4 V      673
         J98U01Q  C1998 10 21.80469 02 45 28.57 +45 08 55.6                      557
         J98U01Q  C1998 10 21.80854 02 45 28.01 +45 08 38.2                      557
         J98U01Q  C1998 10 21.80983 02 45 27.81 +45 08 32.8                      557
    
    Observer details:
    046 Klet.  Observers M. Tichy, Z. Moravec.  Measurer M. Tichy.  0.57-m f/5.2
        reflector + CCD.
    104 San Marcello Pistoiese.  Observer L. Tesi.  Measurers G. Forti, L. Tesi.
        0.40-m f/5 reflector + CCD.
    106 Crni Vrh.  Observers H. Mikuz, S. Maticic.  0.36-m f/6.7 Schmidt-Cassegrain
        + CCD.
    118 Modra.  Observers L. Kornos, D. Kalmancok.  0.6-m f/5.5 reflector + CCD.
    422 Loomberah.  Observer G. J. Garradd.  0.45-m f/5.4 reflector + CCD.
    557 Ondrejov.  Observers P. Pravec, L. Sarounova.  0.65-m f/3.6 reflector
        + CCD.
    658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  1.82-m
        reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer D. L. Rabinowitz.  0.6-m
        reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m f/2.15
        reflector + CCD.
    
    Orbital elements:
    1998 UQ1
    Epoch 1998 Oct. 14.0 TT = JDT 2451100.5                 Williams
    M 354.89386              (2000.0)            P               Q
    n   0.16136674     Peri.  182.90852     +0.72162098     -0.32292941
    a   3.3413864      Node   222.51696     +0.65204851     +0.61422107
    e   0.5390803      Incl.   64.97302     +0.23258524     -0.72003407
    P   6.11           H   16.0           G   0.15
    From 38 observations 1998 Oct. 19-21.
    
    Ephemeris:
    1998 UQ1                 a,e,i = 3.34, 0.54, 65                  q = 1.5401
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1998 10 14    03 03.12   +53 27.6    0.737    1.573   129.6    29.2    17.6
    1998 10 19    02 51.95   +48 29.8    0.674    1.564   138.0    25.2    17.3
    1998 10 24    02 40.38   +42 14.0    0.621    1.556   147.7    20.0    16.9
    1998 10 29    02 29.08   +34 37.5    0.582    1.549   158.4    13.7    16.6
    1998 11 03    02 18.58   +25 54.3    0.560    1.545   168.6     7.3    16.2
    1998 11 08    02 09.29   +16 37.7    0.556    1.542   169.8     6.5    16.2
    1998 11 13    02 01.44   +07 32.4    0.573    1.540   160.0    12.7    16.5
    1998 11 18    01 55.12   -00 41.9    0.607    1.540   149.0    19.3    16.8
    1998 11 23    01 50.38   -07 43.3    0.655    1.542   138.8    24.9    17.2
    1998 11 28    01 47.13   -13 27.9    0.716    1.546   129.9    29.3    17.5
    1998 12 03    01 45.27   -18 03.0    0.784    1.551   122.1    32.6    17.8
    1998 12 08    01 44.67   -21 39.6    0.857    1.558   115.4    34.8    18.1
    1998 12 13    01 45.19   -24 29.1    0.934    1.567   109.5    36.3    18.3
    1998 12 18    01 46.72   -26 41.0    1.013    1.577   104.3    37.2    18.5
    1998 12 23    01 49.16   -28 23.3    1.093    1.588    99.7    37.6    18.7
    1998 12 28    01 52.42   -29 42.2    1.172    1.601    95.5    37.7    18.9
    1999 01 02    01 56.40   -30 42.6    1.251    1.616    91.8    37.5    19.0
    1999 01 07    02 01.02   -31 28.1    1.328    1.631    88.5    37.1    19.2
    1999 01 12    02 06.24   -32 01.7    1.404    1.648    85.4    36.5    19.3
    1999 01 17    02 11.99   -32 25.7    1.477    1.666    82.6    35.8    19.4
    1999 01 22    02 18.25   -32 41.7    1.548    1.686    80.1    35.1    19.5
    1999 01 27    02 24.96   -32 51.4    1.617    1.706    77.8    34.3    19.6
    1999 02 01    02 32.11   -32 55.9    1.683    1.727    75.7    33.6    19.7
    1999 02 06    02 39.64   -32 56.2    1.746    1.750    73.8    32.8    19.8
    1999 02 11    02 47.55   -32 52.9    1.806    1.773    72.1    32.0    19.9
    1999 02 16    02 55.82   -32 46.9    1.864    1.797    70.6    31.2    20.0
    1999 02 21    03 04.43   -32 38.6    1.919    1.821    69.3    30.5    20.0
    1999 02 26    03 13.37   -32 28.7    1.971    1.846    68.1    29.8    20.1
    1999 03 03    03 22.61   -32 17.5    2.021    1.872    67.1    29.2    20.2
    
    1999 03 13    03 41.95   -31 52.4    2.114    1.926    65.4    28.0    20.3
    1999 03 23    04 02.38   -31 26.0    2.199    1.981    64.2    26.9    20.4
    1999 04 02    04 23.77   -31 00.3    2.278    2.038    63.4    26.0    20.5
    1999 04 12    04 46.00   -30 36.7    2.353    2.096    62.9    25.2    20.6
    1999 04 22    05 08.96   -30 16.7    2.425    2.155    62.5    24.4    20.7
    1999 05 02    05 32.49   -30 01.4    2.496    2.214    62.2    23.7    20.8
    1999 05 12    05 56.44   -29 51.5    2.569    2.274    61.8    23.1    20.9
    1999 05 22    06 20.65   -29 47.7    2.644    2.334    61.3    22.4    21.0
    1999 06 01    06 44.94   -29 50.6    2.722    2.394    60.6    21.7    21.1
    
    Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-U18
    

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