MPEC 2004-O46 : 2003 WM7
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M.P.E.C. 2004-O46 Issued 2004 July 30, 15:51 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
2003 WM7
Revision to MPEC 2003-W21
Additional Observations:
K03W07M 2C2004 07 19.61376600 42 47.715-09 59 01.38 20.7 R EO046568
K03W07M 2C2004 07 19.61615000 42 47.606-09 59 02.85 20.8 R EO046568
K03W07M 2C2004 07 21.53435300 41 26.514-10 18 02.69 20.6 R EO046568
K03W07M 2C2004 07 21.53654200 41 26.404-10 18 04.04 20.6 R EO046568
Observer details:
568 Mauna Kea. Observer F. Bernardi. 2.24-m reflector + 8k CCD + focal
reducer.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040719 568 6.3- 3.7- 040721 568 6.4- 3.9- MPO 62453 -0.00030 day
Orbital elements:
2003 WM7
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 29.23748 (2000.0) P Q
n 0.25149420 Peri. 143.07106 -0.97004364 +0.20235905
a 2.4857116 Node 49.16730 -0.24267608 -0.83251725
e 0.8778431 Incl. 10.23264 +0.01112023 -0.51571877
P 3.92 H 17.4 G 0.15 U 4
Residuals in seconds of arc
031118 644 0.5- 0.5+ 031120 854 0.6+ 0.1- 031217 448 0.1- 0.3-
031118 644 0.2- 0.1+ 031120 854 0.6+ 0.0 031221 704 0.4+ 0.6+
031118 644 0.2- 0.5+ 031120 649 0.2+ 0.7- 031221 704 0.1+ 0.6+
031119 H36 (3.4- 0.3+) 031120 649 0.0 0.7- 031221 704 0.0 0.8+
031119 H36 1.1+ 0.3+ 031120 926 0.3+ 0.5- 031221 704 0.4- 1.3+
031119 H36 1.7+ 0.8+ 031120 649 0.2+ 0.4- 031225 170 0.6+ 0.3-
031119 649 0.7+ 0.3+ 031120 926 0.2- 0.0 031225 170 0.9+ 0.6-
031119 649 (3.2- 1.5-) 031120 926 0.3- 0.2- 031225 170 0.8+ 0.4-
031119 649 (0.6+ 3.2-) 031121 704 0.0 0.0 031225 170 0.5+ 0.3-
031119 644 0.3+ 0.4+ 031121 704 0.9- 0.3+ 040103 941 0.2- 0.4-
031119 644 0.1+ 0.3+ 031121 704 1.1- 0.6+ 040103 941 0.3- 0.4-
031119 644 0.0 0.1+ 031124 448 0.0 0.8- 040103 941 0.3- 0.4-
031119 448 0.0 0.5- 031124 448 0.2+ 0.9- 040103 941 0.4- 0.5-
031119 448 0.4+ 0.9- 031124 448 0.1+ 0.5- 040103 941 0.7- 0.5-
031119 448 0.3+ 0.8- 031127 941 0.0 0.2+ 040103 941 0.5- 0.6-
031120 673 0.7- 1.2+ 031127 941 0.0 0.1+ 040210 448 1.1+ 0.1-
031120 673 0.7- 0.8+ 031127 941 0.2- 0.0 040210 448 0.4- 0.4+
031120 673 1.0+ 0.6+ 031127 941 0.0 0.1+ 040210 448 0.1- 0.1+
031120 673 1.2- 0.2+ 031208 540 0.2- 0.1- 040719 568 0.0 0.0
031120 673 0.3- 0.6+ 031208 540 0.7- 0.6- 040719 568 0.1- 0.0
031120 673 0.5- 1.0+ 031217 448 0.3- 0.1- 040721 568 0.1+ 0.0
031120 854 0.2- 0.5- 031217 448 0.2- 0.5- 040721 568 0.0 0.0
Ephemeris:
2003 WM7 a,e,i = 2.49, 0.88, 10 q = 0.3036
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 07 24 00 39.49 -10 43.4 1.518 2.163 115.8 25.0 21.1
2004 08 03 00 29.30 -12 36.5 1.501 2.270 127.9 20.7 21.1
2004 08 13 00 15.66 -14 39.0 1.502 2.372 140.4 15.8 21.0
2004 08 23 23 59.36 -16 39.4 1.527 2.470 152.7 10.8 21.0
2004 09 02 23 41.74 -18 24.9 1.584 2.565 162.7 6.7 20.9
2004 09 12 23 24.41 -19 45.9 1.673 2.656 164.4 5.9 21.1
2004 09 22 23 08.84 -20 37.9 1.794 2.743 156.5 8.4 21.4
2004 10 02 22 56.09 -21 01.9 1.944 2.828 145.7 11.5 21.8
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-O46
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