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  • MPEC 1998-W36 : 1998 WZ6

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    M.P.E.C. 1998-W36                                Issued 1998 Nov. 25, 20:53 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 WZ6
    
    Observations:
         J98W06Z* C1998 11 23.62602 06 02 26.92 +25 23 36.6          16          411
         J98W06Z  C1998 11 23.64498 06 02 25.76 +25 24 29.9                      411
         J98W06Z  C1998 11 24.54010 06 01 35.62 +26 05 55.5          16   V      888
         J98W06Z  C1998 11 24.54215 06 01 35.53 +26 06 01.4                      888
         J98W06Z  C1998 11 24.54411 06 01 35.43 +26 06 06.4                      888
         J98W06Z  C1998 11 24.54603 06 01 35.30 +26 06 12.2                      888
         J98W06Z  C1998 11 24.55563 06 01 34.62 +26 06 39.5                      897
         J98W06Z  C1998 11 24.55939 06 01 34.46 +26 06 50.1                      897
         J98W06Z  C1998 11 24.56362 06 01 34.10 +26 07 02.3          16.1 R      897
         J98W06Z  C1998 11 24.56972 06 01 33.73 +26 07 20.0                      897
         J98W06Z  C1998 11 24.58302 06 01 32.80 +26 07 58.6                      411
         J98W06Z  C1998 11 24.61343 06 01 30.85 +26 09 25.4                      411
         J98W06Z  C1998 11 24.62182 06 01 30.30 +26 09 48.7                      355
         J98W06Z  C1998 11 24.62666 06 01 30.00 +26 10 02.8                      355
         J98W06Z  C1998 11 24.62821 06 01 29.93 +26 10 07.5          16.4 V      900
         J98W06Z  C1998 11 24.62914 06 01 29.82 +26 10 09.7                      355
         J98W06Z  C1998 11 24.64114 06 01 28.96 +26 10 44.4                      411
         J98W06Z  C1998 11 24.64660 06 01 28.68 +26 11 00.0                      900
         J98W06Z  C1998 11 24.66643 06 01 27.27 +26 11 56.5                      411
         J98W06Z  C1998 11 24.83601 06 01 17.67 +26 19 52.1                      557
         J98W06Z  C1998 11 24.83728 06 01 17.58 +26 19 56.1                      557
         J98W06Z  C1998 11 24.83856 06 01 17.50 +26 19 59.8          17.3 V      557
         J98W06Z  C1998 11 24.92369 06 01 11.93 +26 24 07.5          16.4 V      046
         J98W06Z  C1998 11 24.92451 06 01 11.87 +26 24 09.8                      046
         J98W06Z  C1998 11 24.92551 06 01 11.79 +26 24 12.7                      046
         J98W06Z  C1998 11 24.92633 06 01 11.75 +26 24 15.1                      046
         J98W06Z  C1998 11 24.98221 06 01 07.91 +26 26 56.9          16.3 R      118
         J98W06Z  C1998 11 24.98462 06 01 07.75 +26 27 03.8                      118
         J98W06Z  C1998 11 24.98817 06 01 07.49 +26 27 14.2                      118
         J98W06Z  C1998 11 25.21295 06 00 53.85 +26 38 09.0          16.8 R      713
         J98W06Z  C1998 11 25.24083 06 00 51.98 +26 39 29.2          16.7 R      713
         J98W06Z  C1998 11 25.28230 06 00 49.20 +26 41 28.9          16.9 R      713
         J98W06Z  C1998 11 25.44293 06 00 39.25 +26 49 15.4                      411
         J98W06Z  C1998 11 25.45248 06 00 38.61 +26 49 44.5                      411
         J98W06Z  C1998 11 25.46195 06 00 38.02 +26 50 12.1                      411
         J98W06Z  C1998 11 25.65851 06 00 24.06 +26 59 58.7          17.0 V      360
         J98W06Z  C1998 11 25.66094 06 00 23.88 +27 00 06.0                      360
         J98W06Z  C1998 11 25.66389 06 00 23.65 +27 00 14.9                      360
         J98W06Z  C1998 11 25.66771 06 00 23.32 +27 00 46.2          16.6 R      426
         J98W06Z  C1998 11 25.67008 06 00 23.11 +27 00 53.6          16.7 R      426
         J98W06Z  C1998 11 25.67274 06 00 22.90 +27 01 01.2          16.6 R      426
         J98W06Z  C1998 11 25.67483 06 00 22.76 +27 01 07.6          16.7 R      426
         J98W06Z  C1998 11 25.67907 06 00 22.39 +27 01 00.4          16   V      888
         J98W06Z  C1998 11 25.76523 06 00 15.90 +27 05 15.0          16   V      888
         J98W06Z  C1998 11 25.76744 06 00 15.75 +27 05 21.6                      888
         J98W06Z  C1998 11 25.76991 06 00 15.58 +27 05 28.9                      888
    
    Observer details:
    046 Klet.  Observers M. Tichy, Z. Moravec.  Measurer M. Tichy.  0.57-m f/5.2
        reflector + CCD.
    118 Modra.  Observers A. Galad, P. Koleny.  0.6-m f/5.5 reflector + CCD.
    355 Hadano.  Observer A. Asami.  0.28-m f/5.0 reflector + CCD.
    360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/6.0 Ritchey-Chretien + CCD.
    411 Oizumi.  Observer T. Kobayashi.  0.41-m f/4.3 reflector + CCD.
    426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    557 Ondrejov.  Observer P. Pravec.  0.65-m f/3.6 reflector + CCD.
    713 Thornton.  Observer R. A. Koff.  0.20-m f/10 Schmidt-Cassegrain + CCD.
    888 Gekko Observatory.  Observer T. Kagawa.  0.50-m f/4.0 reflector + CCD.
    897 Chiyoda.  Observer T. Kojima.  0.25-m f/6.0 reflector + CCD.
    900 Moriyama.  Observer Y. Ikari.  0.25-m f/6.3 reflector + CCD.
    
    Orbital elements:
    1998 WZ6
    Epoch 1998 Nov. 23.0 TT = JDT 2451140.5                 Williams
    M 298.28731              (2000.0)            P               Q
    n   0.56463928     Peri.  110.84524     -0.92026582     -0.03573076
    a   1.4497351      Node    68.84673     -0.17868631     -0.84755264
    e   0.4101087      Incl.   24.69651     +0.34811210     -0.52950715
    P   1.75           H   17.0           G   0.15
    From 46 observations 1998 Nov. 23-25.
    
    Ephemeris:
    1998 WZ6                 a,e,i = 1.45, 0.41, 25                  q = 0.8552
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1998 11 23    06 02.98   +24 55.6    0.455    1.399   149.8    20.8    17.0
    1998 11 28    05 57.44   +29 01.3    0.408    1.369   155.5    17.4    16.7
    1998 12 03    05 48.53   +33 59.1    0.368    1.338   160.1    14.5    16.3
    1998 12 08    05 35.00   +39 50.1    0.335    1.306   161.1    14.1    16.0
    1998 12 13    05 14.91   +46 24.1    0.310    1.275   156.7    17.8    15.9
    1998 12 18    04 45.46   +53 14.6    0.293    1.243   148.3    24.6    15.9
    1998 12 23    04 03.08   +59 37.3    0.285    1.211   138.1    32.9    16.1
    1998 12 28    03 05.03   +64 38.2    0.285    1.179   127.5    41.5    16.3
    1999 01 02    01 54.08   +67 33.8    0.291    1.147   117.4    49.6    16.5
    1999 01 07    00 41.62   +68 17.2    0.302    1.115   108.2    56.9    16.7
    1999 01 12    23 39.74   +67 23.1    0.315    1.084   100.0    63.4    16.9
    1999 01 17    22 52.06   +65 37.3    0.330    1.053    92.8    68.9    17.1
    1999 01 22    22 16.11   +63 30.7    0.346    1.024    86.6    73.7    17.3
    1999 01 27    21 48.36   +61 16.8    0.360    0.995    81.2    77.8    17.5
    1999 02 01    21 26.21   +58 58.7    0.374    0.969    76.5    81.5    17.6
    
    1999 02 11    20 53.22   +54 01.8    0.396    0.922    68.9    87.5    17.9
    1999 02 21    20 31.27   +48 17.9    0.410    0.885    63.4    92.0    18.1
    1999 03 03    20 18.77   +41 28.9    0.419    0.862    60.1    95.0    18.2
    1999 03 13    20 15.37   +33 34.4    0.424    0.855    58.8    96.1    18.2
    1999 03 23    20 20.05   +24 51.6    0.426    0.865    59.8    95.0    18.2
    1999 04 02    20 31.25   +15 42.8    0.427    0.889    62.8    91.9    18.2
    1999 04 12    20 47.28   +06 29.7    0.429    0.928    67.6    87.1    18.1
    1999 04 22    21 06.29   -02 34.8    0.431    0.976    73.7    81.2    18.0
    1999 05 02    21 26.65   -11 27.5    0.435    1.032    80.8    74.6    17.9
    1999 05 12    21 46.97   -20 09.9    0.440    1.092    88.7    67.6    17.8
    1999 05 22    22 05.71   -28 45.8    0.447    1.156    97.0    60.4    17.7
    1999 06 01    22 21.34   -37 14.4    0.459    1.220   105.5    53.2    17.7
    1999 06 11    22 31.97   -45 27.6    0.478    1.284   113.6    46.5    17.7
    1999 06 21    22 34.88   -53 08.5    0.506    1.346   120.7    40.5    17.8
    1999 07 01    22 26.76   -59 50.5    0.544    1.408   126.2    35.7    17.9
    1999 07 11    22 04.36   -65 02.3    0.593    1.467   129.5    32.3    18.1
    1999 07 21    21 27.96   -68 13.3    0.653    1.523   130.4    30.5    18.3
    1999 07 31    20 46.35   -69 12.3    0.726    1.577   129.2    29.9    18.6
    1999 08 10    20 12.03   -68 22.1    0.808    1.629   126.3    30.1    18.9
    1999 08 20    19 51.36   -66 22.9    0.900    1.677   122.4    30.6    19.2
    1999 08 30    19 43.33   -63 49.7    1.001    1.722   117.8    31.2    19.5
    1999 09 09    19 44.43   -61 02.8    1.109    1.764   112.9    31.7    19.8
    1999 09 19    19 51.71   -58 11.7    1.223    1.804   107.7    32.0    20.1
    1999 09 29    20 03.00   -55 21.1    1.342    1.840   102.5    32.1    20.3
    1999 10 09    20 16.87   -52 32.0    1.465    1.873    97.2    31.9    20.5
    1999 10 19    20 32.41   -49 44.5    1.589    1.904    91.9    31.5    20.7
    1999 10 29    20 49.00   -46 58.4    1.715    1.931    86.6    30.9    20.9
    1999 11 08    21 06.22   -44 13.0    1.841    1.955    81.4    30.1    21.1
    1999 11 18    21 23.82   -41 28.0    1.965    1.977    76.1    29.0    21.2
    1999 11 23    21 32.69   -40 05.5    2.026    1.986    73.5    28.5    21.3
    1999 12 03    21 50.50   -37 20.7    2.146    2.003    68.3    27.2    21.4
    1999 12 13    22 08.34   -34 35.6    2.261    2.017    63.1    25.8    21.5
    
    Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-W36
    

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