MPEC 2003-G20 : S/2003 J 18
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M.P.E.C. 2003-G20 Issued 2003 Apr. 4, 03:57 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
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
S/2003 J 18
Observations:
SK03J180 C2003 02 06.41870 09 07 17.87 +16 34 51.6 23 R 568
SK03J180 C2003 02 06.42861 09 07 17.55 +16 34 53.2 23 R 568
SK03J180 C2003 02 06.44678 09 07 16.99 +16 34 56.3 23 R 568
SK03J180 C2003 02 24.40752 08 58 30.32 +17 22 32.2 568
SK03J180 C2003 02 24.42232 08 58 29.91 +17 22 34.5 23.4 R 568
SK03J180 C2003 02 24.43668 08 58 29.52 +17 22 36.6 23.3 R 568
SK03J180 C2003 02 24.45756 08 58 28.91 +17 22 39.3 568
SK03J180 C2003 02 24.48178 08 58 28.24 +17 22 42.7 23.2 R 568
SK03J180 C2003 02 27.42703 08 57 11.77 +17 29 43.6 23.4 R 568
SK03J180 C2003 02 27.44190 08 57 11.36 +17 29 45.9 23.5 R 568
SK03J180 C2003 02 27.45685 08 57 10.98 +17 29 47.7 23.6 R 568
SK03J180 C2003 03 25.28077 08 49 33.06 +18 15 24.8 568
SK03J180 C2003 03 25.29704 08 49 32.90 +18 15 25.9 568
SK03J180 C2003 03 25.31153 08 49 32.77 +18 15 26.7 568
SK03J180 C2003 03 27.29887 08 49 16.10 +18 17 37.8 23.7 R 568
SK03J180 C2003 03 27.31397 08 49 16.00 +18 17 38.6 23.7 R 568
SK03J180 C2003 03 27.33302 08 49 15.83 +18 17 40.2 23.6 R 568
Observer details:
568 Mauna Kea. Observers (Feb. 6, 24, 27, Mar. 25, 27) B. Gladman,
J. Kavelaars, J.-M. Petit, L. Allen, (Feb. 24) S. S. Sheppard, D. C.
Jewitt, J. Kleyna. Measurers L. Allen, B. Gladman, S. S. Sheppard.
3.6-m Canada-France-Hawaii Telescope + CCD.
Orbital elements:
S/2003 J 18
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 293.46165 (2000.0) P Q
n 0.59241530 Peri. 100.27776 +0.16715964 +0.98590076
a 0.1382573 Node 180.78548 +0.53848226 -0.08486029
e 0.1187086 Incl. 146.46769 +0.82589013 -0.14421659
P 1.66 H 16.5 P/d 607.68
Residuals in seconds of arc
030206 568 0.0 0.0 030224 568 0.4- 0.3- 030325 568 0.1+ 0.0
030206 568 0.1- 0.0 030224 568 0.5- 0.4- 030325 568 0.3+ 0.2-
030206 568 0.1+ 0.0 030227 568 0.3+ 0.2+ 030327 568 0.3- 0.0
030224 568 0.1+ 0.2- 030227 568 0.0 0.4+ 030327 568 0.0 0.1-
030224 568 0.1+ 0.0 030227 568 0.2+ 0.2+ 030327 568 0.1- 0.3+
030224 568 0.1+ 0.0 030325 568 0.1+ 0.0
Ephemeris:
S/2003 J 18 q = 0.1218
Date TT R. A. (2000) Decl. Delta r_J dR.A. ("/m) dDecl.m1"/')
2003 04 01 08 48.81 +18 22.0 4.850 0.145 5172+/6.06+ 2653-/ 44.2-
2003 04 11 08 48.72 +18 27.5 5.009 0.143 4896+/5.73+ 2229-/ 37.1-
2003 04 21 08 49.83 +18 28.1 5.176 0.142 4566+/5.35+ 1811-/ 30.2-
2003 05 01 08 52.06 +18 23.8 5.345 0.140 4189+/4.91+ 1401-/ 23.4-
2003 05 11 08 55.33 +18 15.0 5.514 0.139 3773+/4.41+ 1000-/ 16.7-
2003 05 21 08 59.51 +18 01.9 5.678 0.137 3324+/3.88+ 607-/ 10.1-
2003 05 31 09 04.50 +17 44.8 5.833 0.135 2850+/3.33+ 222-/ 3.7-
2003 06 10 09 10.18 +17 23.9 5.977 0.133 2358+/2.75+ 156+/ 2.6+
2003 06 20 09 16.44 +16 59.6 6.106 0.132 1855+/2.15+ 527+/ 8.8+
2003 06 30 09 23.19 +16 32.0 6.218 0.130 1347+/1.56+ 890+/ 14.8+
2003 07 10 09 30.32 +16 01.4 6.312 0.129 842+/0.97+ 1243+/ 20.7+
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-G20
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