MPEC 2004-S26 : 2004 SY4
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M.P.E.C. 2004-S26 Issued 2004 Sept. 20, 13:56 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 SY4
Observations:
K04S04Y* C2004 09 19.59069 23 13 28.55 -32 29 12.6 19.7 R ES026E12
K04S04Y C2004 09 19.59233 23 13 29.00 -32 29 04.3 19.2 R ES026E12
K04S04Y C2004 09 19.59396 23 13 29.41 -32 28 56.2 19.1 R ES026E12
K04S04Y C2004 09 19.59560 23 13 29.84 -32 28 47.7 19.4 R ES026E12
K04S04Y C2004 09 19.59723 23 13 30.29 -32 28 39.5 19.5 R ES026E12
K04S04Y C2004 09 19.59885 23 13 30.67 -32 28 31.4 19.9 R ES026E12
K04S04Y C2004 09 19.60049 23 13 31.05 -32 28 22.3 19.4 R ES026E12
K04S04Y C2004 09 19.60212 23 13 31.48 -32 28 15.8 19.2 R ES026E12
K04S04Y C2004 09 19.60375 23 13 31.84 -32 28 07.1 19.5 R ES026E12
K04S04Y C2004 09 19.60538 23 13 32.25 -32 27 59.3 19.6 R ES026E12
K04S04Y C2004 09 19.60700 23 13 32.72 -32 27 50.8 19.5 R ES026E12
K04S04Y C2004 09 19.60863 23 13 33.18 -32 27 42.2 19.7 R ES026E12
K04S04Y C2004 09 19.71116 23 14 00.54 -32 18 51.1 18.4 R ES026E12
K04S04Y C2004 09 19.71209 23 14 00.91 -32 18 45.7 18.6 R ES026E12
K04S04Y C2004 09 19.71303 23 14 01.15 -32 18 39.9 18.6 R ES026E12
K04S04Y C2004 09 19.71788 23 14 02.50 -32 18 15.3 19.4 R ES026E12
K04S04Y C2004 09 19.71882 23 14 02.82 -32 18 09.7 19.0 R ES026E12
K04S04Y C2004 09 19.71976 23 14 03.05 -32 18 04.8 19.1 R ES026E12
K04S04Y C2004 09 19.72068 23 14 03.28 -32 18 00.1 19.8 R ES026E12
K04S04Y C2004 09 20.25571 23 17 08.36 -31 33 44.5 19.5 R ES026649
K04S04Y C2004 09 20.25811 23 17 08.82 -31 33 34.1 19.1 R ES026649
K04S04Y C2004 09 20.26051 23 17 09.68 -31 33 18.7 19.4 R ES026649
K04S04Y C2004 09 20.26289 23 17 10.31 -31 33 05.8 19.4 R ES026649
K04S04Y C2004 09 20.26530 23 17 11.05 -31 32 51.1 19.0 R ES026649
K04S04Y "C2004 09 20.42204 23 18 06.55 -31 17 39.9 ES026568
K04S04Y "C2004 09 20.42499 23 18 07.38 -31 17 22.5 ES026568
K04S04Y C2004 09 20.44929 23 18 20.14 -31 12 26.1 ES026474
K04S04Y C2004 09 20.45057 23 18 20.54 -31 12 19.8 ES026474
K04S04Y C2004 09 20.45207 23 18 21.00 -31 12 12.0 18.7 R ES026474
K04S04Y C2004 09 20.45334 23 18 21.38 -31 12 04.9 18.5 R ES026474
K04S04Y C2004 09 20.45508 23 18 21.96 -31 11 54.4 18.7 R ES026474
K04S04Y C2004 09 20.45635 23 18 22.32 -31 11 47.4 18.5 R ES026474
K04S04Y C2004 09 20.49521 23 18 37.75 -31 08 21.1 19.4 R ES026E14
K04S04Y C2004 09 20.50683 23 18 41.28 -31 07 14.1 19.0 R ES026E14
K04S04Y C2004 09 20.51847 23 18 44.82 -31 06 07.0 19.2 R ES026E14
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers J. Pittichova, J. Bedient. Measurer N. Munford.
2.2-m reflector + CCD.
649 Powell Observatory, Louisburg. Observer R. Trentman. 0.75-m Newtonian
reflector + CCD.
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.
E14 Hunters Hill Observatory, Ngunnawal. Observer D. Higgins. Measurer
A. Engine. 0.36-m f/2.95 Schmidt-Cassegrain + CCD.
Orbital elements:
2004 SY4
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 335.35862 (2000.0) P Q
n 0.25992562 Peri. 22.80025 +0.87971587 -0.47528763
a 2.4316626 Node 5.63977 +0.41095295 +0.74493634
e 0.5908791 Incl. 8.30823 +0.23920212 +0.46815757
P 3.79 H 24.3 G 0.15 U 7
Residuals in seconds of arc
040919 E12 0.5- 0.7- 040919 E12 1.2- 0.3- 040920 568 0.3- 0.2-
040919 E12 0.1- 0.5- 040919 E12 0.1+ 0.2+ 040920 568 0.4- 0.0
040919 E12 0.1- 0.5- 040919 E12 0.2- 0.9+ 040920 474 0.6- 1.1+
040919 E12 0.0 0.2- 040919 E12 0.6- 0.4- 040920 474 0.5- 0.1+
040919 E12 0.5+ 0.1- 040919 E12 0.0 0.2+ 040920 474 0.5- 0.7-
040919 E12 0.1+ 0.1- 040919 E12 0.5- 0.1+ 040920 474 0.6- 0.8-
040919 E12 0.4- 0.8+ 040919 E12 0.9- 0.2- 040920 474 0.0 0.3-
040919 E12 0.2- 0.8- 040920 649 0.9+ 0.9+ 040920 474 0.3- 0.5-
040919 E12 0.9- 0.2- 040920 649 2.0- 2.2- 040920 E14 0.5- 0.8-
040919 E12 1.0- 0.6- 040920 649 0.1+ 0.3- 040920 E14 0.3- 0.4-
040919 E12 0.3- 0.2- 040920 649 0.7- 0.8- 040920 E14 0.1+ 0.4-
040919 E12 0.2+ 0.2+ 040920 649 0.1- 0.3+
Ephemeris:
2004 SY4 a,e,i = 2.43, 0.59, 8 q = 0.9948
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 09 12 22 48.93 -38 01.4 0.104 1.094 145.3 31.6 20.9
2004 09 14 22 53.30 -37 11.1 0.093 1.084 145.2 32.0 20.7
2004 09 16 22 58.88 -36 00.5 0.082 1.074 145.5 32.0 20.4
2004 09 18 23 06.12 -34 20.2 0.071 1.064 146.4 31.5 20.0
2004 09 20 23 15.71 -31 54.6 0.060 1.055 148.1 30.2 19.6
2004 09 22 23 28.77 -28 15.0 0.049 1.047 151.2 27.5 19.1
2004 09 24 23 47.21 -22 26.1 0.039 1.039 156.7 22.5 18.4
2004 09 26 00 14.33 -12 37.9 0.030 1.032 166.1 13.5 17.6
2004 09 28 00 56.09 +04 08.9 0.024 1.025 170.5 9.3 16.8
2004 09 30 02 01.57 +27 55.7 0.021 1.019 146.1 33.2 17.4
2004 10 02 03 35.37 +47 47.9 0.025 1.014 121.1 57.7 18.4
2004 10 04 05 16.35 +56 33.6 0.032 1.009 105.1 73.1 19.4
2004 10 06 06 33.78 +58 34.3 0.041 1.005 96.2 81.5 20.2
2004 10 08 07 24.16 +58 15.9 0.051 1.001 91.2 85.9 20.8
2004 10 10 07 56.69 +57 23.2 0.061 0.999 88.4 88.1 21.3
2004 10 12 08 18.66 +56 27.7 0.071 0.997 86.9 89.0 21.7
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-S26
Read MPEC 2004-S25
Read MPEC 2004-S27
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