MPEC 2000-J04: 1999 UM3
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M.P.E.C. 2000-J04 Issued 2000 May 1, 18:21 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 UM3
Revision to MPEC 1999-U25
Observations:
J99U03M 1 1955 10 24.34792 03 13 16.64 -06 36 48.1 675
J99U03M 1 1955 10 24.38264 03 13 14.30 -06 37 20.5 675
J99U03M 1 1955 11 11.25625 02 46 10.57 -11 11 02.2 675
Observer details:
675 Palomar Mountain. Trail located and measured by A. Boattini, G. Forti,
M. Tombelli, L. Tesi. 1.2-m Schmidt.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
551024 675 1.05- 0.22- 551111 675 1.21- 0.12- MPC 38810 +1.3 day
Orbital elements:
1999 UM3
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Williams
M 13.76110 (2000.0) P Q
n 0.26807229 Peri. 36.34957 -0.85872036 -0.48363318
a 2.3821445 Node 113.88941 +0.41555335 -0.85064682
e 0.6677327 Incl. 10.67739 +0.29985790 -0.20615272
P 3.68 H 16.3 G 0.15 U 2
Residuals in seconds of arc
551024 675 0.1- 0.6- 991022 704 0.2- 0.5- 991113 071 0.8+ 0.1+
551024 675 0.1+ 0.6- 991022 704 0.2+ 0.5- 991113 071 0.2- 0.4+
551111 675 0.3+ 1.2- 991022 704 0.1- 0.0 991114 071 0.1- 0.4+
991019 704 0.1+ 0.6+ 991022 704 0.2+ 0.3- 991114 071 0.1- 0.5+
991019 704 0.1- 0.5+ 991022 704 0.1- 0.1+ 991114 071 0.4+ 0.6+
991019 704 0.1- 0.3+ 991022 704 0.1+ 0.1- 991114 071 0.3+ 0.5+
991019 704 0.3- 0.0 991023 658 0.6- 0.5+ 991121 046 0.3- 0.6+
991019 704 0.2- 0.5+ 991023 658 0.6+ 0.1+ 991121 046 1.5+ 0.3-
991021 704 0.3- 0.3+ 991023 658 0.6+ 0.2+ 991121 046 0.9- 0.3-
991021 704 0.7+ 0.0 991024 402 1.2+ 0.3- 991121 046 0.9+ 0.5+
991021 704 0.3- 0.1+ 991024 402 0.3- 0.1- 991121 046 0.2+ 0.3+
991021 704 0.2+ 0.0 991024 402 0.2+ 0.3- 991127 739 (2.8- 0.6-)
991021 704 0.3- 0.1+ 991024 402 0.3+ 0.6- 991127 739 1.3- 1.0-
991022 734 0.7- 0.7+ 991030 118 0.1+ 0.2+ 991127 739 (3.7- 0.7+)
991022 734 0.3- 0.9+ 991030 118 0.4+ 0.4- 991203 118 0.2+ 0.5+
991022 734 0.5+ 1.0+ 991101 118 0.0 0.6+ 991203 118 0.8+ 1.0+
991022 704 0.4- 0.2+ 991101 118 0.2- 0.4+ 991203 118 0.2+ 0.3+
991022 704 0.0 0.1+ 991101 118 0.4- 0.5+ 991208 675 0.4- 0.1-
991022 704 0.5+ 0.1- 991106 704 0.9- 0.1+ 991208 675 1.6- 0.3-
991022 704 0.4+ 0.6- 991106 704 0.8- 0.2+ 991220 046 0.6+ 0.4-
991022 704 0.6+ 0.7- 991106 704 0.6- 0.3+ 991220 046 0.7+ 2.0-
991022 704 0.4+ 0.4- 991106 704 0.7- 0.0 991220 046 1.1+ 0.1+
991022 658 0.4+ 0.3+ 991106 704 0.7- 0.3+ 991220 046 0.7+ 1.5-
991022 658 0.5+ 0.2- 991110 888 0.4- 1.1- 000207 413 0.2- 0.3+
991022 658 0.2+ 0.8+ 991110 888 0.4- 1.0- 000207 413 0.2- 0.4+
991022 704 0.4+ 0.3+ 991110 888 0.6- 1.4- 000207 413 0.1- 0.3+
991022 704 0.1+ 0.1- 991113 071 (2.2+ 0.3-) 000209 413 0.3- 0.1+
991022 704 0.1- 0.2- 991113 071 (3.3- 0.4-) 000209 413 0.8- 0.6+
Ephemeris:
1999 UM3 a,e,i = 2.38, 0.67, 11 q = 0.7915
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 04 26 19 45.57 -12 35.3 1.199 1.693 99.9 35.8 19.3
2000 05 06 19 45.42 -12 50.0 1.174 1.786 109.6 32.1 19.3
2000 05 16 19 40.79 -13 20.6 1.151 1.877 120.4 27.7 19.2
2000 05 26 19 31.77 -14 07.3 1.136 1.965 132.2 22.5 19.1
2000 06 05 19 18.85 -15 08.0 1.136 2.051 144.9 16.5 19.0
2000 06 15 19 03.20 -16 17.3 1.158 2.134 158.1 10.2 18.9
2000 06 25 18 46.52 -17 28.4 1.206 2.215 170.8 4.2 18.8
2000 07 05 18 30.66 -18 35.2 1.282 2.294 172.4 3.4 19.0
2000 07 15 18 17.20 -19 34.3 1.386 2.370 160.9 8.1 19.4
2000 07 25 18 07.06 -20 24.8 1.515 2.443 149.2 12.3 19.9
2000 08 04 18 00.53 -21 07.6 1.666 2.515 138.1 15.6 20.3
2000 08 14 17 57.51 -21 43.9 1.835 2.584 127.9 18.0 20.6
2000 08 24 17 57.61 -22 14.8 2.017 2.651 118.3 19.6 20.9
2000 09 03 18 00.39 -22 40.9 2.210 2.716 109.3 20.5 21.2
2000 09 13 18 05.43 -23 02.6 2.409 2.778 100.7 20.8 21.5
2000 09 23 18 12.31 -23 19.8 2.612 2.839 92.6 20.7 21.7
2000 10 03 18 20.71 -23 32.5 2.814 2.898 84.7 20.1 21.9
2000 10 13 18 30.35 -23 40.5 3.015 2.955 77.0 19.2 22.0
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-J04
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