MPEC 1998-X11 : 1998 WU24
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M.P.E.C. 1998-X11 Issued 1998 Dec. 4, 16:34 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 WU24
Observations:
J98W24U* C1998 11 25.35660 09 37 33.87 +22 30 03.0 18.8 704
J98W24U C1998 11 25.36723 09 37 34.53 +22 30 17.3 18.9 704
J98W24U C1998 11 25.37787 09 37 35.20 +22 30 32.1 19.0 704
J98W24U C1998 11 25.38856 09 37 35.63 +22 30 47.9 19.1 704
J98W24U C1998 11 26.45682 09 38 27.51 +22 56 31.8 734
J98W24U C1998 11 26.46422 09 38 27.83 +22 56 44.0 734
J98W24U C1998 11 26.47088 09 38 28.27 +22 56 51.2 734
J98W24U WC1998 11 29.02944 09 40 23.91 +23 59 47.7 557
J98W24U C1998 11 29.03153 09 40 23.96 +23 59 52.0 557
J98W24U C1998 11 29.76845 09 40 54.86 +24 18 19.8 18.8 V 402
J98W24U C1998 11 29.76984 09 40 54.78 +24 18 22.3 402
J98W24U C1998 11 29.77123 09 40 54.81 +24 18 24.1 402
J98W24U C1998 11 29.77432 09 40 54.89 +24 18 30.2 402
J98W24U C1998 12 01.37959 09 41 58.18 +24 59 12.2 19.0 704
J98W24U C1998 12 01.38786 09 41 58.52 +24 59 23.5 18.7 704
J98W24U C1998 12 01.39613 09 41 58.87 +24 59 37.0 18.8 704
J98W24U C1998 12 01.40452 09 41 59.19 +24 59 49.9 19.0 704
J98W24U C1998 12 02.87023 09 42 51.52 +25 37 32.5 21.7 327
J98W24U C1998 12 02.87486 09 42 51.64 +25 37 39.7 327
J98W24U C1998 12 02.87944 09 42 51.88 +25 37 47.9 327
J98W24U C1998 12 04.28965 09 43 38.55 +26 14 34.7 18.2 R 709
J98W24U FC1998 12 04.29313 09 43 38.72 +26 14 40.4 18.0 R 709
J98W24U C1998 12 04.29633 09 43 38.79 +26 14 45.6 17.9 R 709
J98W24U C1998 12 04.30008 09 43 38.92 +26 14 50.9 17.8 R 709
J98W24U C1998 12 04.30365 09 43 39.01 +26 14 56.8 17.7 R 709
J98W24U C1998 12 04.30741 09 43 39.08 +26 15 02.5 17.8 R 709
J98W24U C1998 12 04.31058 09 43 39.10 +26 15 08.6 18.1 R 709
Observer details:
327 Xinglong. Observers J. Zhu, X. M. Teng. 0.6-m Schmidt + CCD.
402 Dynic. Observer A. Sugie. 0.60-m f/3.7 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 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.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
Careful inspection revealed no trace of coma or tail, although the
sky was quite bright from the full moon.
734 Eskridge. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
1998 WU24
Epoch 1998 Nov. 23.0 TT = JDT 2451140.5 Marsden
M 1.56948 (2000.0) P Q
n 0.01606086 Peri. 304.08254 +0.46666644 -0.58900160
a 15.5581113 Node 103.08027 +0.85047296 +0.50358331
e 0.9091509 Incl. 42.63666 -0.24273066 +0.63204506
P 61.4 H 15.1 G 0.15
From 27 observations 1998 Nov. 25-Dec. 4.
Ephemeris:
1998 WU24 a,e,i = 15.56, 0.91, 43 q = 1.4134
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 12 03 09 42.93 +25 40.9 1.436 2.009 110.8 27.3 18.6
1998 12 13 09 46.71 +30 11.4 1.417 2.099 120.8 23.8 18.6
1998 12 23 09 46.36 +34 55.8 1.417 2.190 130.8 19.9 18.6
1999 01 02 09 41.63 +39 37.0 1.441 2.283 139.9 16.1 18.6
1999 01 12 09 32.77 +43 54.2 1.492 2.376 146.7 13.1 18.6
1999 01 22 09 20.64 +47 28.2 1.573 2.471 149.3 11.7 18.8
1999 02 01 09 06.95 +50 07.4 1.682 2.566 147.1 12.0 19.0
1999 02 11 08 53.74 +51 50.4 1.817 2.661 141.4 13.4 19.3
1999 02 21 08 42.81 +52 43.9 1.975 2.756 134.1 14.9 19.6
1999 03 03 08 35.32 +52 58.7 2.151 2.851 126.2 16.3 19.9
1999 03 13 08 31.62 +52 45.8 2.342 2.946 118.3 17.3 20.2
1999 03 23 08 31.50 +52 14.1 2.545 3.041 110.5 17.9 20.5
1999 04 02 08 34.52 +51 30.0 2.755 3.135 103.0 18.1 20.7
1999 04 12 08 40.07 +50 38.0 2.970 3.229 95.8 18.0 20.9
1999 04 22 08 47.63 +49 40.7 3.187 3.322 88.9 17.6 21.1
1999 05 02 08 56.75 +48 40.0 3.403 3.415 82.2 17.0 21.3
1999 05 12 09 07.00 +47 37.1 3.617 3.507 75.7 16.2 21.5
1999 05 22 09 18.11 +46 32.9 3.827 3.599 69.5 15.3 21.6
1999 06 01 09 29.81 +45 28.0 4.029 3.690 63.5 14.2 21.8
1999 06 11 09 41.91 +44 22.9 4.224 3.781 57.7 13.1 21.9
1999 06 21 09 54.27 +43 18.2 4.409 3.871 52.2 12.0 22.0
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-X11
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