MPEC 1999-W03: 1998 UU43
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M.P.E.C. 1999-W03 Issued 1999 Nov. 17, 03:59 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 ISSN 1523-6714
1998 UU43
Revision to MPEC 1999-B23
Observations:
J98U43U 1C1999 11 10.16227 02 22 34.50 +16 25 15.5 22.5 R 695
J98U43U 1C1999 11 10.18814 02 22 34.40 +16 25 14.7 695
J98U43U 1C1999 11 10.24322 02 22 34.07 +16 25 12.9 695
J98U43U C1999 11 10.31381 02 22 33.61 +16 25 10.7 696
J98U43U C1999 11 10.37010 02 22 33.30 +16 25 09.0 22.7 R 696
J98U43U C1999 11 10.41551 02 22 33.04 +16 25 07.8 696
J98U43U C1999 11 11.24109 02 22 28.74 +16 24 43.8 696
J98U43U C1999 11 11.28637 02 22 28.51 +16 24 42.8 696
J98U43U C1999 11 11.33656 02 22 28.17 +16 24 41.3 696
Observer details:
695 Kitt Peak. Observers M. W. Buie, S. D. Kern, R. M. Wagner. Measurer
M. W. Buie. 2.3-m reflector + CCD.
696 Whipple Observatory, Mt. Hopkins. Observer M. Holman. 1.2-m reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
991110 695 0.03- 0.01- 991111 696 0.03- 0.01- MPC 33762
Orbital elements:
1998 UU43
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Marsden
M 291.56806 (2000.0) P Q
n 0.00408620 Peri. 266.06800 -0.72548029 -0.67594399
a 38.7486562 Node 231.34681 +0.67874969 -0.67153642
e 0.2648879 Incl. 9.54745 +0.11391750 -0.30354335
P 241 H 7.2 G 0.15 U 7
Residuals in seconds of arc
981022 695 0.3- 0.4+ 991110 695 1.3+ 0.1+ 991111 696 0.2- 0.0
981022 695 0.1+ 0.2+ 991110 695 0.8+ 0.1- 991111 696 0.0 0.3+
981214 950 0.2+ 0.3- 991110 696 0.4- 0.2- 991111 696 1.0- 0.3+
981214 950 0.0 0.3- 991110 696 0.5- 0.3-
991110 695 0.7+ 0.1+ 991110 696 0.7- 0.1-
Ephemeris:
1998 UU43 a,e,i = 38.75, 0.26, 10 q = 28.485
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 11 08 02 22.77 +16 26.3 36.537 37.521 173.3 0.2 22.9
1999 11 18 02 21.90 +16 21.5 36.566 37.514 163.2 0.4 23.0
1999 11 28 02 21.09 +16 16.8 36.625 37.506 153.0 0.7 23.0
1999 12 08 02 20.37 +16 12.4 36.711 37.499 142.7 0.9 23.0
1999 12 18 02 19.76 +16 08.6 36.821 37.491 132.4 1.1 23.1
1999 12 28 02 19.31 +16 05.4 36.952 37.484 122.1 1.3 23.1
2000 01 07 02 19.01 +16 02.9 37.100 37.476 111.8 1.4 23.1
2000 01 17 02 18.89 +16 01.3 37.259 37.469 101.6 1.5 23.1
2000 01 27 02 18.95 +16 00.5 37.424 37.461 91.4 1.5 23.1
2000 02 06 02 19.19 +16 00.7 37.589 37.454 81.3 1.5 23.1
2000 02 16 02 19.61 +16 01.8 37.751 37.446 71.3 1.4 23.1
2000 02 26 02 20.20 +16 03.8 37.902 37.439 61.4 1.3 23.1
2000 03 07 02 20.93 +16 06.5 38.040 37.431 51.6 1.2 23.1
2000 03 17 02 21.80 +16 10.0 38.159 37.423 41.8 1.0 23.1
2000 03 27 02 22.78 +16 14.0 38.257 37.416 32.1 0.8 23.1
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-W03
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