MPEC 1998-X16: 1998 WZ24
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M.P.E.C. 1998-X16 Issued 1998 Dec. 4, 22:07 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 WZ24
Observations:
J98W24Z* C1998 11 18.44295 05 03 14.47 +22 28 13.0 22.5 R 695
J98W24Z C1998 11 18.51422 05 03 14.02 +22 28 12.4 695
J98W24Z C1998 11 26.35372 05 02 24.38 +22 27 16.2 22.8 R 695
J98W24Z C1998 11 26.49056 05 02 23.47 +22 27 15.0 695
Observer details:
695 Kitt Peak. Observers R. L. Millis, M. W. Buie, R. M. Wagner, J. L. Elliot,
D. W. Willmarth, D. L. Harmer, G. Rosenstein, W. K. Hughes. Measurers
M. W. Buie, R. L. Millis, J. L. Elliot. 3.8-m reflector + CCD, 3.6-m WIYN
reflector + CCD.
Orbital elements:
1998 WZ24
The following assumed perihelic 2:3 Neptune-resonance orbital elements
keep the object more than 13 AU from Neptune over a 14 000-year period
Epoch 1998 Nov. 3.0 TT = JDT 2451120.5 Marsden
M 359.93950 (2000.0) P Q
n 0.00396404 Peri. 355.88060 +0.23715468 -0.96849784
a 39.5406449 Node 80.38831 +0.89349493 +0.18675889
e 0.1801855 Incl. 4.41840 +0.38134560 +0.16472111
P 249 H 7.9 G 0.15
From 4 observations 1998 Nov. 18-26.
Ephemeris:
1998 WZ24 a,e,i = 39.54, 0.18, 4 q = 32.416
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 12 03 05 01.68 +22 26.4 31.435 32.416 174.1 0.2 23.0
1998 12 13 05 00.56 +22 25.1 31.434 32.416 175.5 0.1 23.0
1998 12 23 04 59.47 +22 23.9 31.465 32.416 165.1 0.4 23.0
1999 01 02 04 58.44 +22 22.7 31.525 32.416 154.6 0.7 23.1
1999 01 12 04 57.52 +22 21.6 31.613 32.416 144.2 1.0 23.1
1999 01 22 04 56.74 +22 20.8 31.726 32.416 133.9 1.3 23.1
1999 02 01 04 56.14 +22 20.2 31.861 32.416 123.6 1.5 23.2
1999 02 11 04 55.74 +22 20.0 32.012 32.416 113.4 1.6 23.2
1999 02 21 04 55.55 +22 20.1 32.176 32.416 103.2 1.7 23.2
1999 03 03 04 55.60 +22 20.5 32.346 32.416 93.2 1.7 23.2
1999 03 13 04 55.86 +22 21.2 32.519 32.416 83.2 1.7 23.2
1999 03 23 04 56.35 +22 22.3 32.687 32.416 73.4 1.7 23.2
1999 04 02 04 57.05 +22 23.7 32.848 32.416 63.7 1.6 23.2
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-X16
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