MPEC 1998-W39 : 1998 WO7
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Read MPEC 1998-W38
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M.P.E.C. 1998-W39 Issued 1998 Nov. 27, 16:25 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 WO7
Observations:
J98W07O* C1998 11 23.28319 06 52 13.69 +19 13 19.7 17.6 704
J98W07O C1998 11 23.29338 06 52 12.91 +19 13 56.9 17.6 704
J98W07O C1998 11 23.30319 06 52 12.34 +19 14 32.2 17.9 704
J98W07O C1998 11 23.31301 06 52 11.47 +19 15 09.7 18.0 704
J98W07O C1998 11 24.07366 06 51 14.30 +20 01 28.8 557
J98W07O C1998 11 24.07470 06 51 14.25 +20 01 32.0 17.5 V 557
J98W07O C1998 11 24.09152 06 51 12.90 +20 02 34.7 17.6 V 046
J98W07O C1998 11 24.09404 06 51 12.69 +20 02 43.9 046
J98W07O C1998 11 24.09491 06 51 12.64 +20 02 47.1 046
J98W07O C1998 11 24.09618 06 51 12.54 +20 02 52.0 046
J98W07O C1998 11 24.70726 06 50 24.84 +20 40 40.1 16.6 V 900
J98W07O C1998 11 24.72276 06 50 23.51 +20 41 38.2 900
J98W07O C1998 11 24.93146 06 50 07.10 +20 54 32.5 17.5 V 046
J98W07O C1998 11 24.93249 06 50 07.02 +20 54 36.6 046
J98W07O C1998 11 24.93330 06 50 06.95 +20 54 39.0 046
J98W07O C1998 11 24.93530 06 50 06.77 +20 54 46.7 17.4 V 046
J98W07O C1998 11 24.99472 06 50 01.72 +20 58 30.3 118
J98W07O C1998 11 24.99696 06 50 01.52 +20 58 38.6 118
J98W07O C1998 11 24.99808 06 50 01.44 +20 58 42.8 16.5 R 118
J98W07O C1998 11 25.34985 06 49 32.30 +21 20 44.6 18.0 704
J98W07O C1998 11 25.36046 06 49 31.43 +21 21 25.2 18.0 704
J98W07O C1998 11 25.37109 06 49 30.43 +21 22 06.1 18.5 704
J98W07O C1998 11 25.38170 06 49 29.60 +21 22 46.4 17.3 704
J98W07O C1998 11 25.39241 06 49 28.54 +21 23 26.4 17.7 704
J98W07O C1998 11 25.67802 06 49 04.52 +21 41 39.2 16.9 R 426
J98W07O C1998 11 25.68080 06 49 04.33 +21 41 49.8 16.9 R 426
J98W07O C1998 11 25.68404 06 49 04.00 +21 42 02.1 17.0 R 426
J98W07O C1998 11 25.68699 06 49 03.72 +21 42 13.4 16.9 R 426
J98W07O C1998 11 25.70938 06 49 01.77 +21 43 24.0 17.9 V 360
J98W07O C1998 11 25.71215 06 49 01.51 +21 43 34.8 360
J98W07O C1998 11 25.71493 06 49 01.27 +21 43 45.3 360
J98W07O C1998 11 26.38795 06 48 01.98 +22 26 26.5 734
J98W07O C1998 11 26.39004 06 48 01.73 +22 26 34.1 17.5 V 734
J98W07O C1998 11 26.39770 06 48 01.07 +22 27 03.6 734
J98W07O C1998 11 26.58828 06 47 44.61 +22 39 13.8 16.9 V 402
J98W07O C1998 11 26.58966 06 47 44.48 +22 39 18.7 402
J98W07O C1998 11 26.59105 06 47 44.35 +22 39 24.2 402
J98W07O C1998 11 26.89647 06 47 16.45 +22 58 55.2 587
J98W07O C1998 11 26.90203 06 47 15.86 +22 59 17.0 587
J98W07O C1998 11 26.90648 06 47 15.44 +22 59 33.8 587
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.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + 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.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observer F. Manca. 0.5-m reflector + 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.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
Orbital elements:
1998 WO7
Epoch 1998 Nov. 23.0 TT = JDT 2451140.5 Williams
M 12.41998 (2000.0) P Q
n 0.29592322 Peri. 332.12854 +0.48959864 -0.50086112
a 2.2302319 Node 78.54155 +0.87192022 +0.27470025
e 0.3283331 Incl. 46.74068 +0.00694976 +0.82077884
P 3.33 H 16.3 G 0.15
From 40 observations 1998 Nov. 23-26.
Ephemeris:
1998 WO7 a,e,i = 2.23, 0.33, 47 q = 1.4980
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 11 23 06 52.56 +18 56.3 0.652 1.535 137.9 25.5 17.5
1998 11 28 06 45.50 +24 10.4 0.628 1.544 145.2 21.4 17.3
1998 12 03 06 35.96 +29 43.8 0.613 1.554 152.1 17.3 17.1
1998 12 08 06 23.76 +35 21.7 0.609 1.565 157.4 14.0 17.0
1998 12 13 06 08.87 +40 46.5 0.616 1.577 159.6 12.6 17.0
1998 12 18 05 51.59 +45 40.9 0.635 1.589 157.6 13.6 17.1
1998 12 23 05 32.58 +49 52.6 0.663 1.602 152.8 16.3 17.3
1998 12 28 05 12.88 +53 16.4 0.700 1.616 147.0 19.4 17.5
1999 01 02 04 53.71 +55 53.8 0.745 1.631 140.9 22.4 17.8
1999 01 07 04 36.17 +57 51.0 0.796 1.646 135.1 25.0 18.0
1999 01 12 04 21.15 +59 16.3 0.852 1.662 129.6 27.1 18.3
1999 01 17 04 09.17 +60 17.8 0.911 1.678 124.6 28.9 18.5
1999 01 22 04 00.42 +61 02.8 0.974 1.695 119.9 30.2 18.7
1999 01 27 03 54.84 +61 36.8 1.038 1.712 115.7 31.2 18.9
1999 02 01 03 52.18 +62 04.0 1.103 1.730 111.7 32.0 19.1
1999 02 11 03 54.58 +62 47.2 1.236 1.766 104.7 32.7 19.4
1999 02 21 04 05.65 +63 22.9 1.369 1.803 98.5 32.8 19.6
1999 03 03 04 23.76 +63 54.1 1.500 1.842 93.1 32.5 19.9
1999 03 13 04 47.59 +64 18.5 1.628 1.881 88.2 31.9 20.1
1999 03 23 05 16.12 +64 32.2 1.752 1.920 83.9 31.1 20.3
1999 04 02 05 48.28 +64 31.2 1.871 1.960 79.9 30.1 20.4
1999 04 12 06 22.86 +64 11.3 1.987 2.000 76.2 29.1 20.6
1999 04 22 06 58.68 +63 29.8 2.098 2.040 72.8 28.1 20.7
1999 05 02 07 34.53 +62 25.5 2.205 2.080 69.6 27.0 20.8
1999 05 12 08 09.41 +60 58.7 2.308 2.120 66.6 25.9 20.9
1999 05 22 08 42.69 +59 11.2 2.408 2.159 63.7 24.9 21.0
1999 06 01 09 13.98 +57 05.7 2.504 2.197 60.9 23.8 21.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-W39
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