MPEC 1999-B24: 1998 WW31
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M.P.E.C. 1999-B24 Issued 1999 Jan. 28, 22:30 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 WW31
Observations:
J98W31W* C1998 11 18.21509 03 21 32.64 +18 59 07.3 22.6 R 695
J98W31W C1998 11 18.37940 03 21 31.90 +18 59 04.6 695
J98W31W C1998 11 18.45365 03 21 31.53 +18 59 03.2 695
J98W31W C1998 12 18.06375 03 19 25.75 +18 50 26.5 23.4 R 950
J98W31W C1998 12 18.10505 03 19 25.63 +18 50 25.4 950
J98W31W C1998 12 18.14633 03 19 25.49 +18 50 24.1 950
J98W31W C1999 01 14.13690 03 18 10.23 +18 44 50.3 23.3 R 695
J98W31W C1999 01 14.25171 03 18 10.01 +18 44 49.2 695
Observer details:
695 Kitt Peak. Observers R. L. Millis, M. W. Buie, R. M. Wagner, J. L.
Elliot, D. W. Willmarth, P. S. Smith, D. L. Harmer, A. Saha. Measurers
M. W. Buie, R. L. Millis, J. L. Elliot. 4-m reflector + CCD, 3.6-m
WIYN Telescope + CCD.
950 La Palma. Observers M. J. Holman, T. Grav. 2.6-m Nordic Optical
Telescope + CCD.
Orbital elements:
1998 WW31
Assumed circular orbit
Epoch 1998 Dec. 13.0 TT = JDT 2451160.5 Marsden
(2000.0) P Q
n 0.00312279 Arg.lat. 175.78678 +0.60102655 -0.79345150
a 46.3561941 Node 237.24085 +0.72990448 +0.59382055
e 0.0000000 Incl. 6.54989 +0.32558646 +0.13346113
P 316 H 6.8 G 0.15
From 8 observations 1998 Nov. 18-1999 Jan. 14.
Ephemeris:
1998 WW31 a,e,i = 46.36, 0.00, 7
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 01 22 03 17.98 +18 43.9 46.002 46.356 110.5 1.1 23.6
1999 02 01 03 17.88 +18 43.1 46.169 46.356 100.3 1.2 23.6
1999 02 11 03 17.92 +18 43.0 46.342 46.356 90.2 1.2 23.6
1999 02 21 03 18.11 +18 43.4 46.515 46.356 80.1 1.2 23.6
1999 03 03 03 18.46 +18 44.4 46.683 46.356 70.2 1.2 23.6
1999 03 13 03 18.94 +18 45.9 46.841 46.356 60.3 1.1 23.6
1999 03 23 03 19.55 +18 47.9 46.984 46.356 50.5 1.0 23.6
1999 04 02 03 20.27 +18 50.3 47.108 46.356 40.8 0.8 23.6
1999 04 12 03 21.08 +18 53.0 47.211 46.356 31.1 0.6 23.6
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-B24
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