MPEC 1998-W15 : 1998 WT
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M.P.E.C. 1998-W15 Issued 1998 Nov. 19, 16:42 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 WT
Observations:
J98W00T* C1998 11 16.08241 01 28 39.29 +20 46 20.2 17.6 704
J98W00T C1998 11 16.10361 01 28 38.08 +20 45 53.3 18.5 704
J98W00T C1998 11 16.12478 01 28 36.85 +20 45 25.3 19.4 704
J98W00T C1998 11 16.14594 01 28 35.42 +20 44 59.1 18.8 704
J98W00T C1998 11 16.16719 01 28 34.23 +20 44 33.1 19.0 704
J98W00T C1998 11 17.79167 01 27 14.50 +20 11 17.0 108
J98W00T C1998 11 17.79693 01 27 14.27 +20 11 13.1 108
J98W00T C1998 11 17.80244 01 27 14.01 +20 11 06.6 17.5 V 108
J98W00T C1998 11 18.12018 01 27 00.28 +20 05 04.5 711
J98W00T C1998 11 18.12685 01 26 59.89 +20 04 56.0 711
J98W00T C1998 11 18.13360 01 26 59.58 +20 04 48.6 711
J98W00T C1998 11 18.84307 01 26 30.64 +19 51 24.3 17.5 V 046
J98W00T C1998 11 18.84413 01 26 30.57 +19 51 22.7 046
J98W00T C1998 11 18.84837 01 26 30.38 +19 51 18.5 046
J98W00T C1998 11 18.84941 01 26 30.30 +19 51 16.8 046
J98W00T C1998 11 19.06561 01 26 22.73 +19 47 22.1 17.5 V 734
J98W00T C1998 11 19.07162 01 26 22.47 +19 47 15.6 734
J98W00T C1998 11 19.07560 01 26 22.32 +19 47 11.4 734
J98W00T C1998 11 19.43759 01 26 09.24 +19 40 42.0 17.3 V 402
J98W00T C1998 11 19.43883 01 26 09.17 +19 40 40.6 402
J98W00T C1998 11 19.44008 01 26 09.13 +19 40 39.7 402
J98W00T C1998 11 19.44132 01 26 09.08 +19 40 38.4 402
J98W00T C1998 11 19.54848 01 26 04.59 +19 39 04.9 17.7 R 426
J98W00T C1998 11 19.55291 01 26 04.35 +19 39 00.2 17.4 R 426
J98W00T C1998 11 19.55624 01 26 04.22 +19 38 56.5 17.7 R 426
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
108 Montelupo. Observers M. Tombelli, A. Boattini, D. Guidetti, G. Forti,
E. Masotti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 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.
711 McDonald Observatory. Observers P. J. Shelus, J. G. Ries. 0.76-m
reflector + CCD.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
1998 WT PHA 0.033
Epoch 1998 Nov. 3.0 TT = JDT 2451120.5 Williams
M 60.18859 (2000.0) P Q
n 0.73015444 Peri. 324.00124 +0.03803173 +0.99830528
a 1.2214046 Node 308.13674 -0.90322762 +0.01548647
e 0.5728233 Incl. 3.21032 -0.42747333 +0.05609585
P 1.35 H 17.8 G 0.15
From 25 observations 1998 Nov. 16-19.
Ephemeris:
1998 WT a,e,i = 1.22, 0.57, 3 q = 0.5218
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 11 13 01 31.99 +21 58.4 0.374 1.341 156.2 17.3 17.2
1998 11 18 01 27.08 +20 07.4 0.431 1.380 150.5 20.7 17.7
1998 11 23 01 24.58 +18 43.5 0.491 1.418 145.0 23.6 18.1
1998 11 28 01 23.91 +17 40.9 0.554 1.454 139.7 26.0 18.5
1998 12 03 01 24.67 +16 55.3 0.619 1.488 134.8 28.1 18.9
1998 12 08 01 26.55 +16 23.4 0.687 1.521 130.1 29.7 19.2
1998 12 13 01 29.36 +16 02.5 0.758 1.553 125.6 31.0 19.5
1998 12 18 01 32.95 +15 50.7 0.830 1.583 121.3 32.1 19.8
1998 12 23 01 37.19 +15 46.4 0.904 1.612 117.2 32.9 20.0
1998 12 28 01 42.01 +15 48.4 0.980 1.639 113.2 33.5 20.2
1999 01 02 01 47.31 +15 55.5 1.057 1.665 109.4 33.9 20.4
1999 01 07 01 53.02 +16 06.9 1.134 1.690 105.7 34.1 20.6
1999 01 12 01 59.11 +16 21.7 1.212 1.713 102.0 34.2 20.8
1999 01 17 02 05.53 +16 39.5 1.291 1.735 98.5 34.1 21.0
1999 01 22 02 12.26 +16 59.7 1.370 1.756 95.1 33.9 21.1
1999 01 27 02 19.27 +17 21.7 1.448 1.775 91.7 33.7 21.3
1999 02 01 02 26.52 +17 45.2 1.526 1.793 88.4 33.3 21.4
1999 02 06 02 34.00 +18 09.8 1.604 1.810 85.1 32.9 21.5
1999 02 11 02 41.69 +18 35.2 1.681 1.826 81.9 32.4 21.6
1999 02 16 02 49.58 +19 01.1 1.756 1.840 78.8 31.8 21.7
1999 02 21 02 57.66 +19 27.2 1.831 1.853 75.7 31.1 21.8
1999 02 26 03 05.92 +19 53.2 1.903 1.865 72.7 30.4 21.9
1999 03 03 03 14.35 +20 19.1 1.974 1.876 69.7 29.7 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-W15
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