MPEC 2004-R25 : 2002 PQ142
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M.P.E.C. 2004-R25 Issued 2004 Sept. 6, 23:04 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 PQ142
Revision to MPEC 2002-R74
Additional Observations:
K02PE2Q C2004 08 23.35859 22 36 23.68 -10 15 29.3 20.0 V ER025691
K02PE2Q C2004 08 23.39374 22 36 20.11 -10 16 04.9 20.1 V ER025691
K02PE2Q C2004 08 23.42037 22 36 17.42 -10 16 31.5 19.9 V ER025691
K02PE2Q C2004 09 04.91273 22 13 41.28 -13 58 23.3 ER025246
K02PE2Q C2004 09 04.91397 22 13 40.99 -13 58 23.9 ER025246
K02PE2Q C2004 09 04.91494 22 13 41.03 -13 58 26.4 ER025246
K02PE2Q C2004 09 04.91597 22 13 40.75 -13 58 27.7 ER025246
K02PE2Q C2004 09 04.92172 22 13 40.11 -13 58 32.5 ER025246
K02PE2Q C2004 09 06.88222 22 09 52.90 -14 34 09.3 ER025246
K02PE2Q C2004 09 06.88301 22 09 52.71 -14 34 10.5 ER025246
K02PE2Q C2004 09 06.88424 22 09 52.66 -14 34 12.5 ER025246
K02PE2Q C2004 09 06.88499 22 09 52.66 -14 34 13.7 ER025246
K02PE2Q C2004 09 06.88625 22 09 52.46 -14 34 14.8 ER025246
K02PE2Q C2004 09 06.88700 22 09 52.37 -14 34 15.3 ER025246
K02PE2Q C2004 09 06.89749 22 09 51.13 -14 34 26.5 ER025246
K02PE2Q C2004 09 06.89991 22 09 50.79 -14 34 29.3 ER025246
K02PE2Q C2004 09 06.90073 22 09 50.67 -14 34 31.1 ER025246
K02PE2Q C2004 09 06.90234 22 09 50.49 -14 34 32.2 ER025246
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Kocer.
Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD.
691 Steward Observatory, Kitt Peak. Observer M. Block. 0.9-m f/3 reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
040823 691 0.13+ 0.01+ 040906 246 0.12+ 0.00- MPO 62397 -0.36 day
Orbital elements:
2002 PQ142
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 267.75296 (2000.0) P Q
n 0.44589505 Peri. 331.96072 -0.56046145 -0.81666951
a 1.6968663 Node 151.47093 +0.80348378 -0.57646274
e 0.7161166 Incl. 16.74456 +0.20074058 +0.02723258
P 2.21 H 17.6 G 0.15 U 4
Residuals in seconds of arc
020811 608 0.6- 1.1- 020914 620 0.5- 0.2+ 040823 691 0.4+ 0.3+
020812 704 0.3+ 1.8+ 020914 118 0.8+ 0.4- 040823 691 0.4+ 0.0
020812 704 0.3+ 0.8+ 020914 118 0.1- 0.1- 040823 691 0.5+ 0.2+
020812 704 0.7+ 0.7+ 020914 118 0.5+ 0.0 040904 246 0.2+ 0.8-
020913 704 0.4- 0.6+ 020914 118 0.0 0.1+ 040904 246 1.9- 0.0
020913 704 0.3- 0.6+ 020914 118 0.2- 0.3+ 040904 246 0.4+ 1.5-
020913 704 0.3- 0.6+ 020914 620 0.8- 0.4- 040904 246 1.9- 1.6-
020914 151 0.3+ 0.5- 020914 651 0.2+ 0.1- 040904 246 1.4- 0.2-
020914 151 0.4+ 0.5- 020914 651 0.5+ 0.1- 040906 246 0.3+ 1.1+
020914 151 0.5- 0.2+ 020914 651 0.4+ 0.1- 040906 246 1.1- 0.8+
020914 151 0.1+ 0.2- 020914 428 0.4+ 0.3- 040906 246 0.3+ 0.1+
020914 246 0.0 0.0 020914 428 0.7+ 0.6- 040906 246 1.5+ 0.3-
020914 246 0.1- 0.3+ 020916 649 0.1+ 0.1+ 040906 246 0.8+ 0.0
020914 246 0.1+ 0.1+ 020916 649 0.2+ 0.6- 040906 246 0.8+ 0.3+
020914 246 0.4- 0.3+ 020916 649 0.2- 0.1- 040906 246 0.9+ 0.5+
020914 246 0.1- 0.1+ 020921 649 0.4- 0.1+ 040906 246 0.1+ 0.4+
020914 246 0.2- 0.0 020921 649 0.1- 0.2+ 040906 246 0.2- 0.5-
020914 620 1.1- 0.3- 020921 649 0.3+ 0.1+ 040906 246 0.0 0.1+
Ephemeris:
2002 PQ142 a,e,i = 1.70, 0.72, 17 q = 0.4817
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 09 02 22 19.24 -13 05.3 1.085 2.088 171.7 4.0 19.7
2004 09 12 21 59.93 -16 05.7 1.050 2.014 156.7 11.4 19.9
2004 09 22 21 41.32 -18 51.0 1.043 1.934 141.8 18.7 20.1
2004 10 02 21 25.63 -21 07.2 1.060 1.851 127.8 25.3 20.2
2004 10 12 21 14.33 -22 49.7 1.091 1.762 115.0 30.9 20.3
2004 10 22 21 08.09 -24 00.5 1.129 1.669 103.4 35.5 20.4
2004 11 01 21 06.84 -24 44.6 1.166 1.570 93.0 39.1 20.5
2004 11 11 21 10.14 -25 07.0 1.195 1.465 83.7 42.2 20.5
2004 11 21 21 17.48 -25 11.2 1.212 1.355 75.3 44.8 20.4
2004 12 01 21 28.30 -24 59.7 1.211 1.238 67.7 47.5 20.3
2004 12 11 21 42.10 -24 34.1 1.188 1.115 60.9 50.5 20.1
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-R25
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