MPEC 2004-S43 : 2004 SD20
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M.P.E.C. 2004-S43 Issued 2004 Sept. 22, 19:51 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
2004 SD20
Observations:
K04S20D* C2004 09 21.74452 03 25 17.82 -71 02 27.4 17.7 R ES043E12
K04S20D C2004 09 21.75594 03 25 16.10 -71 03 07.4 17.6 R ES043E12
K04S20D C2004 09 21.76734 03 25 14.47 -71 03 47.2 17.6 R ES043E12
K04S20D C2004 09 21.77876 03 25 12.76 -71 04 28.4 17.3 R ES043E12
K04S20D C2004 09 21.79168 03 25 10.75 -71 05 12.5 17.8 R ES043E12
K04S20D C2004 09 21.79214 03 25 10.83 -71 05 14.9 17.8 R ES043E12
K04S20D C2004 09 21.79262 03 25 10.75 -71 05 16.2 17.6 R ES043E12
K04S20D C2004 09 21.79309 03 25 10.49 -71 05 17.3 17.9 R ES043E12
K04S20D 2C2004 09 22.00813 03 24 49.90 -71 17 33.7 17.8 R ES043I05
K04S20D 2C2004 09 22.00910 03 24 49.75 -71 17 37.4 17.6 R ES043I05
K04S20D 2C2004 09 22.01007 03 24 49.61 -71 17 41.0 17.5 R ES043I05
K04S20D 2C2004 09 22.01590 03 24 48.98 -71 18 02.4 17.6 R ES043I05
K04S20D 2C2004 09 22.01688 03 24 48.89 -71 18 05.7 17.2 R ES043I05
K04S20D C2004 09 22.66620 03 23 18.23 -71 57 20.9 ES043E12
K04S20D C2004 09 22.66713 03 23 18.08 -71 57 24.7 ES043E12
K04S20D C2004 09 22.66807 03 23 17.83 -71 57 28.3 ES043E12
K04S20D C2004 09 22.66899 03 23 17.71 -71 57 31.7 ES043E12
K04S20D C2004 09 22.67145 03 23 17.22 -71 57 40.1 ES043E12
K04S20D C2004 09 22.67215 03 23 17.21 -71 57 42.7 ES043E12
K04S20D C2004 09 22.67888 03 23 16.01 -71 58 07.6 ES043E12
K04S20D C2004 09 22.67981 03 23 15.97 -71 58 11.4 ES043E12
K04S20D C2004 09 22.68074 03 23 15.64 -71 58 14.6 ES043E12
K04S20D C2004 09 22.68168 03 23 15.46 -71 58 18.1 ES043E12
K04S20D C2004 09 22.76612 03 23 00.62 -72 03 21.8 ES043E12
K04S20D C2004 09 22.76706 03 23 00.49 -72 03 25.4 ES043E12
K04S20D C2004 09 22.76801 03 23 00.35 -72 03 28.6 ES043E12
K04S20D C2004 09 22.76894 03 23 00.04 -72 03 32.0 ES043E12
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson, R. H. McNaught.
0.5-m Uppsala Schmidt + CCD.
I05 Las Campanas Observatory-TIE. Observers G. Masi, F. Mallia. Measurer
G. Masi. 0.36-m SoTIE reflector + CCD.
Orbital elements:
2004 SD20
Epoch 2004 Sept. 12.0 TT = JDT 2453260.5 MPC
M 244.77044 (2000.0) P Q
n 1.19114931 Peri. 94.62294 -0.71556645 -0.64520180
a 0.8813706 Node 45.51070 +0.39246246 -0.68838586
e 0.4719093 Incl. 22.04267 +0.57787358 -0.33142050
P 0.83 H 17.9 G 0.15
From 27 observations 2004 Sept. 21-22.
Ephemeris:
2004 SD20 a,e,i = 0.88, 0.47, 22 q = 0.4654
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 09 22 03 24.78 -71 17.3 0.338 1.122 101.7 61.1 18.0
2004 09 27 03 07.03 -76 26.0 0.316 1.093 98.3 65.1 17.9
2004 10 02 02 14.79 -81 49.2 0.296 1.062 93.8 70.1 17.8
2004 10 07 22 39.94 -85 33.6 0.277 1.029 88.2 76.2 17.8
2004 10 12 18 34.53 -81 32.8 0.260 0.993 81.4 83.6 17.9
2004 10 17 17 30.67 -73 51.2 0.247 0.955 73.2 92.5 18.0
2004 10 22 17 04.77 -64 49.0 0.238 0.914 63.5 103.0 18.4
2004 10 27 16 48.79 -54 49.8 0.234 0.872 52.6 115.1 18.9
2004 11 01 16 36.16 -44 18.6 0.238 0.827 40.7 128.5 19.9
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-S43
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