MPEC 1998-W41 : 1998 WT7
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M.P.E.C. 1998-W41 Issued 1998 Nov. 27, 19:08 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 WT7
Observations:
J98W07T* C1998 11 23.43125 08 57 28.24 -00 11 48.3 18.0 704
J98W07T C1998 11 23.44051 08 57 27.54 -00 13 35.4 18.1 704
J98W07T C1998 11 23.44975 08 57 27.14 -00 15 19.8 17.6 704
J98W07T C1998 11 23.45877 08 57 26.74 -00 17 04.2 17.5 704
J98W07T C1998 11 24.44269 08 56 46.95 -03 27 48.8 18.0 704
J98W07T C1998 11 24.44856 08 56 46.59 -03 29 00.9 18.1 704
J98W07T C1998 11 24.46054 08 56 45.88 -03 31 21.0 17.8 704
J98W07T C1998 11 24.46646 08 56 45.51 -03 32 28.9 17.7 704
J98W07T C1998 11 25.00949 08 56 22.65 -05 19 06.9 118
J98W07T C1998 11 25.01085 08 56 22.55 -05 19 22.5 118
J98W07T C1998 11 25.01465 08 56 22.35 -05 20 08.8 17.5 R 118
J98W07T C1998 11 25.03646 08 56 21.27 -05 24 25.8 046
J98W07T C1998 11 25.03806 08 56 21.27 -05 24 45.4 046
J98W07T C1998 11 25.03865 08 56 21.16 -05 24 51.8 046
J98W07T C1998 11 25.03918 08 56 21.14 -05 24 58.6 046
J98W07T C1998 11 25.04033 08 56 21.08 -05 25 11.8 046
J98W07T C1998 11 25.41368 08 56 03.78 -06 38 41.9 18.6 704
J98W07T C1998 11 25.42426 08 56 03.07 -06 40 47.3 18.7 704
J98W07T C1998 11 25.43484 08 56 02.57 -06 42 52.5 18.7 704
J98W07T C1998 11 25.44540 08 56 01.75 -06 44 56.7 18.7 704
J98W07T C1998 11 25.69272 08 55 51.03 -07 33 10.4 426
J98W07T C1998 11 25.69793 08 55 50.73 -07 34 12.3 426
J98W07T C1998 11 25.70112 08 55 50.51 -07 34 49.7 17.7 V 426
J98W07T C1998 11 27.69381 08 54 05.58 -14 10 01.0 18.2 V 426
J98W07T C1998 11 27.69596 08 54 05.44 -14 10 26.8 18.3 V 426
J98W07T C1998 11 27.70050 08 54 05.08 -14 11 21.1 18.5 V 426
J98W07T C1998 11 27.70267 08 54 05.00 -14 11 46.8 18.5 V 426
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.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + 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 WT7
Epoch 1998 Nov. 23.0 TT = JDT 2451140.5 Williams
M 321.44567 (2000.0) P Q
n 0.78332147 Peri. 232.99855 -0.33831103 -0.71409021
a 1.1654922 Node 248.48903 +0.92512041 -0.37164965
e 0.1174057 Incl. 41.20566 -0.17233069 -0.59325518
P 1.26 H 18.8 G 0.15
From 27 observations 1998 Nov. 23-27.
Ephemeris:
1998 WT7 a,e,i = 1.17, 0.12, 41 q = 1.0287
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 11 23 08 57.73 +01 11.1 0.232 1.066 103.5 64.3 18.0
1998 11 28 08 53.77 -15 10.6 0.227 1.059 102.5 65.5 18.0
1998 12 03 08 47.91 -30 53.6 0.239 1.053 99.7 67.4 18.2
1998 12 08 08 39.86 -44 05.9 0.265 1.047 96.2 69.3 18.4
1998 12 13 08 29.20 -54 19.8 0.301 1.042 92.5 70.7 18.8
1998 12 18 08 15.39 -62 00.3 0.343 1.038 89.3 71.4 19.1
1998 12 23 07 57.83 -67 43.3 0.388 1.035 86.4 71.6 19.3
1998 12 28 07 35.9 -71 59.1 0.433 1.032 84.0 71.4 19.6
1999 01 02 07 09.1 -75 09.4 0.477 1.030 81.8 70.9 19.7
1999 01 07 06 37.1 -77 28.6 0.520 1.029 79.9 70.2 19.9
1999 01 12 06 00.2 -79 06.1 0.560 1.029 78.3 69.4 20.0
1999 01 17 05 20.3 -80 08.9 0.597 1.029 77.0 68.6 20.2
1999 01 22 04 40.0 -80 43.4 0.630 1.031 75.8 67.8 20.2
1999 01 27 04 02.2 -80 56.2 0.660 1.033 74.9 67.0 20.3
1999 02 01 03 28.7 -80 53.5 0.685 1.036 74.2 66.3 20.4
1999 02 06 03 00.2 -80 40.6 0.706 1.039 73.7 65.6 20.4
1999 02 11 02 36.7 -80 21.4 0.722 1.044 73.5 65.0 20.5
1999 02 16 02 17.6 -79 59.1 0.733 1.049 73.4 64.5 20.5
1999 02 21 02 02.2 -79 36.1 0.739 1.055 73.6 64.1 20.5
1999 02 26 01 49.9 -79 14.5 0.740 1.061 74.1 63.8 20.5
1999 03 03 01 39.9 -78 55.3 0.737 1.068 74.7 63.6 20.5
1999 03 08 01 31.8 -78 39.8 0.728 1.075 75.6 63.4 20.5
1999 03 13 01 25.3 -78 28.9 0.715 1.083 76.7 63.3 20.5
1999 03 18 01 20.0 -78 24.3 0.698 1.091 78.1 63.2 20.5
1999 03 23 01 15.7 -78 27.5 0.676 1.100 79.7 63.1 20.4
1999 03 28 01 11.8 -78 40.3 0.650 1.109 81.6 62.9 20.3
1999 04 02 01 08.2 -79 04.8 0.620 1.118 83.8 62.7 20.2
1999 04 07 01 04.2 -79 43.7 0.587 1.127 86.3 62.4 20.1
1999 04 12 00 59.0 -80 41.1 0.550 1.136 89.2 61.9 20.0
1999 04 17 00 50.8 -82 02.0 0.511 1.146 92.4 61.1 19.8
1999 04 22 00 34.0 -83 52.7 0.470 1.155 96.2 59.9 19.6
1999 04 27 23 43 -86 16.6 0.428 1.165 100.7 58.1 19.4
1999 05 02 19 04 -88 00.6 0.386 1.174 105.9 55.6 19.1
1999 05 07 15 13.9 -84 22.8 0.345 1.183 112.2 52.1 18.8
1999 05 12 14 32.2 -77 57.9 0.306 1.192 119.8 47.3 18.4
1999 05 17 14 18.80 -69 11.7 0.273 1.201 128.7 41.1 18.0
1999 05 22 14 13.94 -57 53.0 0.249 1.210 138.2 33.9 17.6
1999 05 27 14 12.80 -44 30.7 0.239 1.218 145.9 27.8 17.4
1999 06 01 14 13.65 -30 34.3 0.243 1.226 147.5 26.3 17.4
1999 06 06 14 15.72 -17 54.2 0.263 1.234 142.6 30.0 17.7
1999 06 11 14 18.66 -07 34.3 0.295 1.241 135.0 35.4 18.1
1999 06 16 14 22.27 +00 20.3 0.336 1.249 127.4 40.3 18.5
1999 06 21 14 26.44 +06 14.2 0.382 1.255 120.8 44.1 18.9
1999 06 26 14 31.08 +10 36.7 0.432 1.262 115.1 46.9 19.3
1999 07 01 14 36.09 +13 52.1 0.484 1.268 110.2 48.8 19.6
1999 07 06 14 41.45 +16 18.3 0.536 1.273 106.0 50.2 19.8
1999 07 11 14 47.14 +18 08.0 0.589 1.278 102.2 51.0 20.1
1999 07 21 14 59.46 +20 31.2 0.692 1.287 95.9 51.8 20.5
1999 07 31 15 12.98 +21 48.8 0.790 1.294 90.7 51.7 20.8
1999 08 10 15 27.64 +22 25.9 0.880 1.299 86.3 51.2 21.0
1999 08 20 15 43.53 +22 36.9 0.961 1.301 82.5 50.4 21.2
1999 08 30 16 00.69 +22 31.3 1.031 1.302 79.3 49.6 21.3
1999 09 09 16 19.20 +22 14.6 1.089 1.301 76.6 48.9 21.4
1999 09 19 16 39.23 +21 50.7 1.136 1.298 74.3 48.2 21.5
1999 09 29 17 00.88 +21 22.7 1.172 1.293 72.5 47.7 21.5
1999 10 09 17 24.34 +20 52.0 1.197 1.285 71.0 47.3 21.5
1999 10 19 17 49.79 +20 19.9 1.212 1.276 69.8 47.1 21.5
1999 10 29 18 17.37 +19 47.3 1.218 1.265 68.9 47.1 21.5
1999 11 08 18 47.24 +19 13.6 1.219 1.253 68.2 47.2 21.5
1999 11 18 19 19.50 +18 38.7 1.215 1.239 67.5 47.5 21.5
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-W41
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