MPEC 2004-U19 : 2002 UA31
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M.P.E.C. 2004-U19 Issued 2004 Oct. 19, 23:03 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 UA31
Revision to MPEC 2002-V11
Additional Observations:
K02U31A 7C2004 10 08.09272 16 26 22.19 +07 49 10.3 EU019696
K02U31A 7C2004 10 08.09663 16 26 23.72 +07 49 07.9 EU019696
K02U31A 7C2004 10 09.09316 16 33 02.34 +07 36 13.2 EU019696
K02U31A 7C2004 10 09.10182 16 33 05.75 +07 36 06.2 EU019696
Observer details:
696 Whipple Observatory, Mt. Hopkins. Observers K. Smalley, P. Berlind.
Measurer T. B. Spahr. 1.2-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
041008 696 71.8+ 4.7+ 041009 696 71.4+ 3.7+ MPO 41842 -0.023 day
Orbital elements:
2002 UA31 PHA 0.012
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 307.48556 (2000.0) P Q
n 1.38064987 Peri. 358.61669 -0.88148193 +0.40040932
a 0.7987552 Node 209.35972 -0.42820092 -0.90125260
e 0.4872009 Incl. 30.70124 -0.19908186 +0.16557818
P 0.71 H 18.8 G 0.15 U 4
Residuals in seconds of arc
021031 704 0.1- 0.1- 021104 649 0.1+ 0.5- 021110 246 0.3- 0.3+
021031 704 0.0 0.1- 021104 649 0.3- 0.1+ 021111 448 0.7- 0.2+
021031 704 0.0 0.2+ 021105 448 0.4+ 1.5- 021111 448 0.0 0.1+
021031 704 0.3- 0.2- 021105 448 0.8+ 0.9- 021111 448 0.3- 0.3+
021031 704 1.8+ 0.4+ 021105 448 0.0 0.4- 021111 448 0.1- 0.0
021101 704 0.0 0.3+ 021106 704 0.6+ 0.1+ 021123 715 0.0 0.5-
021101 704 0.4+ 0.7+ 021106 704 0.9+ 0.7+ 021123 715 0.5- 0.5-
021101 704 0.4- 0.1+ 021106 448 0.4+ 0.6- 021123 715 0.1- 0.4-
021101 620 2.6- 1.8+ 021106 448 0.5+ 0.2- 021228 413 0.2- 0.7-
021101 620 0.5- 1.8+ 021106 704 0.4+ 0.4+ 021228 413 0.9- 0.9-
021101 620 0.3+ 0.3+ 021106 448 0.6+ 0.5- 021231 448 0.2+ 0.6+
021101 176 0.2- 0.6- 021106 704 0.9+ 0.3+ 021231 448 0.1- 1.4+
021101 176 0.1- 0.3- 021106 704 0.6+ 0.6+ 021231 448 0.4+ 1.2+
021101 176 0.2- 0.1- 021110 246 0.0 0.6- 041008 696 0.2+ 0.2-
021101 176 0.2- 0.4+ 021110 246 0.7- 0.5- 041008 696 0.1- 0.4+
021101 966 0.3- 0.1- 021110 246 0.3+ 0.4- 041009 696 0.2+ 0.2-
021101 966 0.1+ 0.6- 021110 246 0.2- 0.3- 041009 696 0.2- 0.2-
021104 649 0.4- 0.1- 021110 246 0.8- 0.3-
Ephemeris:
2002 UA31 a,e,i = 0.80, 0.49, 31 q = 0.4096
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 10 12 16 52.34 +06 55.1 0.733 0.862 57.3 77.0 20.5
2004 10 22 17 56.76 +04 03.8 0.736 0.941 63.9 71.6 20.5
2004 11 01 18 55.99 +00 58.5 0.771 1.010 68.6 66.2 20.6
2004 11 11 19 48.54 -01 47.5 0.831 1.066 71.1 61.4 20.7
2004 11 21 20 34.50 -03 57.2 0.909 1.112 71.6 57.5 20.9
2004 12 01 21 14.74 -05 27.8 0.997 1.146 70.6 54.2 21.1
2004 12 11 21 50.45 -06 23.5 1.089 1.171 68.5 51.5 21.2
2004 12 21 22 22.76 -06 50.2 1.181 1.184 65.6 49.2 21.4
2004 12 31 22 52.53 -06 54.0 1.267 1.188 62.2 47.1 21.5
2005 01 10 23 20.50 -06 39.9 1.344 1.181 58.6 45.3 21.5
2005 01 20 23 47.29 -06 11.9 1.409 1.164 54.8 43.7 21.6
2005 01 30 00 13.33 -05 33.5 1.460 1.137 51.0 42.3 21.5
2005 02 09 00 39.06 -04 47.1 1.493 1.099 47.4 41.4 21.5
2005 02 19 01 04.84 -03 54.7 1.506 1.050 44.0 40.8 21.4
2005 03 01 01 31.00 -02 57.9 1.496 0.989 40.9 41.0 21.3
2005 03 11 01 57.87 -01 56.7 1.461 0.917 38.2 42.1 21.1
2005 03 21 02 25.75 -00 50.2 1.398 0.834 36.1 44.7 20.8
2005 03 31 02 54.73 +00 26.3 1.302 0.739 34.4 49.8 20.6
2005 04 10 03 24.44 +02 06.5 1.169 0.635 32.9 58.9 20.3
2005 04 20 03 52.46 +04 48.6 0.995 0.529 30.7 75.7 20.0
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-U19
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