MPEC 1998-W19 : 1998 WZ1
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M.P.E.C. 1998-W19 Issued 1998 Nov. 20, 16:37 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 WZ1
Observations:
J98W01Z* C1998 11 16.40220 05 40 44.90 +44 15 30.5 19.3 704
J98W01Z C1998 11 16.42323 05 40 51.59 +44 16 15.3 19.4 704
J98W01Z C1998 11 16.44409 05 40 57.91 +44 17 03.6 19.6 704
J98W01Z C1998 11 16.48600 05 41 10.62 +44 18 37.2 19.4 704
J98W01Z C1998 11 17.34668 05 45 58.74 +44 51 37.6 19.2 704
J98W01Z C1998 11 17.34748 05 45 58.96 +44 51 41.5 711
J98W01Z C1998 11 17.35233 05 46 00.53 +44 51 52.8 711
J98W01Z C1998 11 17.35712 05 46 02.09 +44 52 03.8 711
J98W01Z C1998 11 17.36890 05 46 06.04 +44 52 28.4 18.6 704
J98W01Z C1998 11 17.39087 05 46 13.33 +44 53 21.2 19.3 704
J98W01Z C1998 11 17.41279 05 46 20.18 +44 54 10.1 19.2 704
J98W01Z C1998 11 19.30905 05 57 54.16 +46 08 15.9 18.4 704
J98W01Z C1998 11 19.33152 05 58 02.72 +46 09 10.8 18.9 704
J98W01Z C1998 11 19.35373 05 58 10.96 +46 10 04.4 18.8 704
J98W01Z C1998 11 19.37595 05 58 18.68 +46 10 57.2 19.0 704
Observer details:
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.
Orbital elements:
1998 WZ1 PHA 0.019
Epoch 1998 Nov. 3.0 TT = JDT 2451120.5 Williams
M 337.76424 (2000.0) P Q
n 0.32160617 Peri. 137.47753 -0.53443867 -0.84498438
a 2.1098576 Node 344.79538 +0.75420716 -0.46640675
e 0.5452061 Incl. 4.24406 +0.38150605 -0.26166036
P 3.06 H 19.8 G 0.15
From 15 observations 1998 Nov. 16-19.
Ephemeris:
1998 WZ1 a,e,i = 2.11, 0.55, 4 q = 0.9596
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 11 13 05 24.28 +42 10.6 0.262 1.209 142.8 29.6 18.6
1998 11 18 05 49.76 +45 16.8 0.227 1.174 141.4 31.7 18.3
1998 11 23 06 25.13 +48 34.6 0.196 1.141 138.5 35.0 18.0
1998 11 28 07 15.72 +51 34.2 0.169 1.110 133.7 39.9 17.7
1998 12 03 08 26.11 +53 03.4 0.148 1.081 126.8 46.9 17.6
1998 12 08 09 51.17 +51 10.0 0.133 1.054 117.8 55.8 17.6
1998 12 13 11 11.89 +44 55.0 0.127 1.030 107.5 65.8 17.7
1998 12 18 12 14.04 +35 42.6 0.129 1.009 97.3 75.4 18.0
1998 12 23 12 57.96 +25 56.9 0.137 0.991 89.0 83.0 18.4
1998 12 28 13 29.17 +17 11.2 0.152 0.977 83.1 88.0 18.8
1999 01 02 13 52.34 +09 53.2 0.170 0.967 79.5 90.6 19.1
1999 01 12 14 25.36 -00 53.1 0.212 0.960 77.3 90.2 19.5
1999 01 22 14 48.96 -08 11.8 0.256 0.970 79.3 85.7 19.8
1999 02 01 15 07.19 -13 26.6 0.296 0.997 83.6 79.3 19.9
1999 02 11 15 21.09 -17 23.4 0.331 1.038 89.4 72.0 20.0
1999 02 21 15 30.15 -20 25.9 0.359 1.091 96.7 64.2 20.0
1999 03 03 15 33.48 -22 46.6 0.381 1.153 105.4 56.0 20.0
1999 03 13 15 30.23 -24 30.1 0.400 1.221 115.6 47.2 20.0
1999 03 23 15 19.96 -25 34.0 0.418 1.294 127.4 37.8 20.0
1999 04 02 15 03.68 -25 52.7 0.442 1.369 140.3 27.8 19.9
1999 04 12 14 43.96 -25 24.6 0.477 1.445 153.8 17.8 19.9
1999 04 22 14 24.32 -24 18.3 0.528 1.522 166.1 9.1 19.9
1999 05 02 14 08.00 -22 53.2 0.597 1.599 170.0 6.3 20.2
1999 05 12 13 56.59 -21 29.6 0.686 1.675 161.5 11.0 20.8
1999 05 22 13 50.33 -20 20.9 0.793 1.750 151.2 16.2 21.4
1999 06 01 13 48.68 -19 33.2 0.917 1.823 141.4 20.3 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-W19
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