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IAU Minor Planet Center

Minor Planet Center

MPEC 1998-W11: 1998 WL

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M.P.E.C. 1998-W11                                Issued 1998 Nov. 18, 17:40 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 WL

Observations:
     J98W00L* C1998 11 16.41070 02 57 47.79 +10 43 25.2          17.2 V      566
     J98W00L  C1998 11 16.42112 02 57 47.34 +10 43 31.9          17.3 V      566
     J98W00L  C1998 11 16.43152 02 57 46.91 +10 43 38.8          17.2 V      566
     J98W00L  C1998 11 16.86581 02 57 31.99 +10 48 16.7          15.9 R      118
     J98W00L  C1998 11 16.87250 02 57 31.72 +10 48 21.1                      118
     J98W00L  C1998 11 16.88165 02 57 31.37 +10 48 27.2                      118
     J98W00L  C1998 11 17.21447 02 57 19.77 +10 52 07.8                      734
     J98W00L  C1998 11 17.22136 02 57 19.48 +10 52 11.7                      734
     J98W00L  C1998 11 17.23160 02 57 19.10 +10 52 18.9                      734
     J98W00L  C1998 11 17.51852 02 57 09.34 +10 55 44.5          17.6 R      428
     J98W00L  C1998 11 17.52486 02 57 09.06 +10 55 48.7          17.5 R      428
     J98W00L  C1998 11 17.55536 02 57 08.12 +10 56 08.9          16.1 R      426
     J98W00L  C1998 11 17.56021 02 57 07.91 +10 56 12.0          16.1 R      426
     J98W00L  C1998 11 17.56483 02 57 07.72 +10 56 15.2          16.0 R      426
     J98W00L  C1998 11 17.80348 02 56 59.99 +10 58 31.6          17.4 V      046
     J98W00L  C1998 11 17.80457 02 56 59.93 +10 58 32.3                      046
     J98W00L  C1998 11 17.80630 02 56 59.85 +10 58 33.3                      046
     J98W00L  C1998 11 17.80737 02 56 59.82 +10 58 33.9                      046
     J98W00L  C1998 11 17.82043 02 56 59.39 +10 58 43.2                      108
     J98W00L  C1998 11 17.82488 02 56 59.25 +10 58 46.8                      108
     J98W00L  C1998 11 17.82888 02 56 59.18 +10 58 48.7          17.0 V      108
     J98W00L  C1998 11 17.86545 02 56 57.69 +10 59 13.1                      106
     J98W00L  C1998 11 17.88023 02 56 57.12 +10 59 22.8                      106
     J98W00L  C1998 11 17.89417 02 56 56.60 +10 59 31.9                      106
     J98W00L  C1998 11 17.94094 02 56 54.77 +11 00 02.7                      106
     J98W00L  C1998 11 18.10428 02 56 49.91 +11 01 52.0          16.6 R      761
     J98W00L  C1998 11 18.13715 02 56 48.62 +11 02 14.9          16.5 R      761
     J98W00L  C1998 11 18.23463 02 56 45.15 +11 03 19.6                      711
     J98W00L  C1998 11 18.23888 02 56 44.99 +11 03 22.2                      711
     J98W00L  C1998 11 18.24314 02 56 44.83 +11 03 24.9                      711

Observer details:
046 Klet.  Observers M. Tichy, Z. Moravec.  Measurer M. Tichy.  0.57-m f/5.2
    reflector + CCD.
106 Crni Vrh.  Observers H. Mikuz, S. Maticic.  0.36-m f/6.7
    Schmidt-Cassegrain + CCD.
108 Montelupo.  Observers M. Tombelli, A. Boattini, D. Guidetti, G. Forti,
    E. Masotti.  0.30-m f/5.7 Schmidt-Cassegrain + CCD.
118 Modra.  Observers L. Kornos, J. Toth.  0.6-m f/5.5 reflector + CCD.
426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
428 Reedy Creek.  Observer J. Broughton.  0.25-m f/6.3 Schmidt-Cassegrain
    + CCD.
566 Haleakala-NEAT/GEODSS.  Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
    D. L. Rabinowitz for the NEAT team.  1.0-m f/2.2 GEODSS telescope + CCD.
711 McDonald Observatory.  Observers P. J. Shelus, J. G. Ries.  0.76-m
    reflector + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.30-m Schmidt-Cassegrain + CCD.
761 Zephyrhills.  Observer R. A. Kowalski.  0.178-m f/9.45 reflector + CCD.

Orbital elements:
1998 WL
Epoch 1998 Nov. 3.0 TT = JDT 2451120.5                  Williams
M  10.44918              (2000.0)            P               Q
n   0.22756895     Peri.  301.77469     +0.97509617     -0.19401966
a   2.6570152      Node    69.60285     +0.22154961     +0.87433180
e   0.4611495      Incl.    6.58226     -0.01016061     +0.44485984
P   4.33           H   16.9           G   0.15
From 30 observations 1998 Nov. 16-18.

Ephemeris:
1998 WL                  a,e,i = 2.66, 0.46, 7                   q = 1.4317
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1998 11 13    02 59.92   +10 06.3    0.544    1.530   171.7     5.3    16.9
1998 11 23    02 54.40   +11 55.4    0.593    1.565   163.6    10.3    17.4
1998 12 03    02 51.76   +13 43.2    0.660    1.605   153.9    15.7    17.9
1998 12 13    02 52.66   +15 27.2    0.744    1.648   144.5    20.3    18.3
1998 12 23    02 57.12   +17 06.1    0.843    1.693   135.9    23.9    18.8
1999 01 02    03 04.82   +18 39.7    0.956    1.742   127.9    26.5    19.2
1999 01 12    03 15.23   +20 07.4    1.081    1.792   120.4    28.2    19.6
1999 01 22    03 27.88   +21 28.8    1.216    1.844   113.4    29.3    19.9
1999 02 01    03 42.34   +22 43.3    1.361    1.897   106.8    29.8    20.3
1999 02 11    03 58.21   +23 50.3    1.512    1.951   100.5    29.8    20.5
1999 02 21    04 15.21   +24 49.1    1.670    2.005    94.4    29.5    20.8
1999 03 03    04 33.09   +25 39.2    1.832    2.060    88.5    28.8    21.0
1999 03 13    04 51.60   +26 20.2    1.997    2.115    82.7    27.8    21.3
1999 03 23    05 10.58   +26 51.7    2.163    2.169    77.1    26.6    21.5
1999 04 02    05 29.88   +27 13.7    2.329    2.224    71.5    25.2    21.6
1999 04 12    05 49.33   +27 26.1    2.493    2.278    66.0    23.7    21.8
1999 04 22    06 08.83   +27 29.0    2.655    2.332    60.6    22.1    21.9
1999 04 27    06 18.56   +27 26.9    2.734    2.358    57.9    21.2    22.0

Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-W11

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