MPEC 2004-B42 : S/2003 J 21
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M.P.E.C. 2004-B42 Issued 2004 Jan. 24, 19:50 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
S/2003 J 21
Revision to MPEC 2003-K45
Additional Observations:
SK03J210 C2002 01 10.25291 06 34 08.96 +22 57 50.1 EB042568
SK03J210 C2002 01 10.27463 06 34 08.21 +22 57 51.9 EB042568
SK03J210 C2002 01 16.54142 06 30 40.13 +23 06 08.0 23.0 R EB042568
SK03J210 C2002 01 16.55307 06 30 39.76 +23 06 08.9 EB042568
Observer details:
568 Mauna Kea. Observers S. S. Sheppard, D. C. Jewitt. Measurer S. S.
Sheppard. 8.3-m Subaru Telescope + CCD, 2.2-m University of Hawaii
reflector + CCD.
Orbital elements:
S/2003 J 21
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 6.42209 (2000.0) P Q
n 0.58643604 Peri. 62.18197 +0.69315351 -0.69905029
a 0.1391955 Node 19.65510 -0.69138923 -0.71373202
e 0.2234535 Incl. 148.51127 +0.20376245 -0.04376407
P 1.68 H 16.3 P/d 613.88
Residuals in seconds of arc
020110 568 0.1- 0.1- 030225 568 0.4- 0.3- 030327 568 0.1+ 0.2+
020110 568 0.0 0.1- 030225 568 0.1+ 0.1- 030425 568 0.2+ 0.1+
020116 568 0.0 0.1+ 030225 568 0.2- 0.0 030425 568 0.0 0.1+
020116 568 0.1+ 0.1+ 030225 568 0.1- 0.1+ 030425 568 0.6+ 0.3+
030206 568 0.1- 0.2- 030325 568 0.0 0.2+ 030427 568 0.0 0.3-
030206 568 0.1+ 0.3- 030325 568 0.1- 0.1- 030427 568 0.2- 0.1-
030209 568 0.6+ 0.4+ 030325 568 0.1- 0.2- 030427 568 0.2+ 0.2-
030209 568 0.3+ 0.3+ 030327 568 0.0 0.3+
030225 568 0.4- 0.2- 030327 568 0.4- 0.0
Ephemeris:
S/2003 J 21 q = 0.1081
Date TT R. A. (2000) Decl. Delta r_J dR.A. ("/m) dDecl.m1"/')
2004 01 16 11 24.94 +05 56.7 4.720 0.111 4297+/4.80+ 958+/ 16.0+
2004 01 26 11 23.52 +06 09.5 4.615 0.112 4750+/5.31+ 819+/ 13.7+
2004 02 05 11 20.93 +06 28.2 4.533 0.115 5111+/5.71+ 652+/ 10.9+
2004 02 15 11 17.36 +06 51.5 4.476 0.117 5374+/6.01+ 459+/ 7.7+
2004 02 25 11 13.04 +07 17.6 4.448 0.120 5537+/6.20+ 244+/ 4.1+
2004 03 06 11 08.31 +07 44.6 4.450 0.123 5600+/6.28+ 12+/ 0.2+
2004 03 16 11 03.50 +08 10.4 4.483 0.126 5568+/6.25+ 228-/ 3.8-
2004 03 26 10 58.96 +08 33.0 4.546 0.129 5446+/6.12+ 467-/ 7.8-
2004 04 05 10 55.00 +08 50.9 4.636 0.132 5241+/5.89+ 697-/ 11.6-
2004 04 15 10 51.86 +09 03.0 4.749 0.136 4963+/5.58+ 910-/ 15.2-
2004 04 25 10 49.71 +09 08.8 4.883 0.139 4621+/5.20+ 1100-/ 18.3-
2004 05 05 10 48.63 +09 07.9 5.032 0.142 4225+/4.75+ 1263-/ 21.0-
2004 05 15 10 48.64 +09 00.6 5.191 0.145 3785+/4.26+ 1397-/ 23.3-
2004 05 25 10 49.71 +08 47.0 5.357 0.148 3309+/3.72+ 1502-/ 25.0-
2004 06 04 10 51.80 +08 27.7 5.524 0.151 2806+/3.15+ 1578-/ 26.3-
2004 06 14 10 54.80 +08 03.2 5.688 0.154 2284+/2.56+ 1626-/ 27.1-
2004 06 24 10 58.64 +07 33.9 5.847 0.156 1747+/1.96+ 1649-/ 27.5-
2004 07 04 11 03.21 +07 00.3 5.996 0.158 1203+/1.35+ 1649-/ 27.5-
2004 07 14 11 08.41 +06 23.0 6.133 0.160 656+/0.73+ 1629-/ 27.1-
2004 07 24 11 14.17 +05 42.5 6.256 0.162 110+/0.12+ 1592-/ 26.5-
2004 08 03 11 20.38 +04 59.1 6.362 0.164 430-/0.48- 1542-/ 25.7-
2004 08 13 11 26.98 +04 13.5 6.449 0.166 961-/1.07- 1481-/ 24.7-
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-B42
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