MPEC 2006-S08 : 2004 SC56
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M.P.E.C. 2006-S08 Issued 2006 Sept. 17, 16:03 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
Supported in part by the TABASGO 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 SC56
Revision to MPEC 2004-S65
Additional Observations:
K04S56C C2006 09 16.24167 22 55 40.29 +24 10 01.9 18.4 V ES008703
K04S56C C2006 09 16.24811 22 55 35.83 +24 09 30.3 18.5 V ES008703
K04S56C C2006 09 16.25458 22 55 31.36 +24 08 58.6 18.6 V ES008703
K04S56C C2006 09 16.45863 22 53 10.92 +23 51 44.8 18.7 V ES008703
K04S56C C2006 09 16.46020 22 53 09.77 +23 51 36.8 18.2 V ES008703
K04S56C C2006 09 16.46177 22 53 08.74 +23 51 27.9 18.3 V ES008703
K04S56C C2006 09 16.94137 22 47 56.42 +23 10 28.1 18.6 V ES008585
K04S56C C2006 09 16.94287 22 47 55.04 +23 10 18.5 18.6 V ES008585
K04S56C C2006 09 16.94439 22 47 54.25 +23 10 13.4 18.6 V ES008585
K04S56C C2006 09 16.94850 22 47 51.83 +23 09 54.3 18.7 V ES008585
K04S56C C2006 09 16.95006 22 47 50.20 +23 09 42.1 18.7 V ES008585
K04S56C C2006 09 17.11275 22 46 06.16 +22 55 42.5 18.6 R ES008932
K04S56C C2006 09 17.12289 22 45 59.13 +22 54 49.4 18.5 R ES008932
K04S56C C2006 09 17.12811 22 45 55.52 +22 54 22.1 18.7 R ES008932
K04S56C C2006 09 17.12988 22 45 55.55 +22 54 21.0 18.6 R ES008850
K04S56C C2006 09 17.14092 22 45 47.89 +22 53 23.5 18.7 R ES008850
K04S56C 5C2006 09 17.14149 22 45 50.05 +22 53 11.9 18.4 R ES008673
K04S56C 5C2006 09 17.14809 22 45 45.53 +22 52 38.1 ES008673
K04S56C C2006 09 17.15043 22 45 41.29 +22 52 33.4 18.0 R ES008850
K04S56C 5C2006 09 17.15544 22 45 40.49 +22 52 00.4 ES008673
K04S56C 5C2006 09 17.15972 22 45 37.60 +22 51 38.7 ES008673
K04S56C C2006 09 17.20641 22 45 04.64 +22 47 40.5 18.5 V ES008703
K04S56C C2006 09 17.21940 22 44 55.64 +22 46 33.0 18.6 V ES008703
K04S56C C2006 09 17.23241 22 44 46.60 +22 45 24.8 18.5 V ES008703
K04S56C C2006 09 17.24535 22 44 37.50 +22 44 16.2 18.7 V ES008703
K04S56C C2006 09 17.29360 22 44 03.82 +22 39 59.6 18.5 R ES008651
K04S56C C2006 09 17.29436 22 44 03.31 +22 39 56.2 18.5 R ES008651
K04S56C C2006 09 17.29512 22 44 02.79 +22 39 51.6 18.9 R ES008651
K04S56C C2006 09 17.29589 22 44 02.24 +22 39 47.8 18.6 R ES008651
Observer details:
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observers E. J. Christensen, A. R. Gibbs. Measurers
E. C. Beshore, E. J. Christensen, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt
+ CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, T. E Stegall,
E. A. Pierce. 0.30-m f/5 Schmidt-Cassegrain + 1530x1020 CCD.
932 John J. McCarthy Obs., New Milford. Observer W. Cloutier. Measurers
W. Cloutier, M. Robson. 0.4-m f/6.5 Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
060916 703 6.76+ 3.18+ 060917 651 6.68+ 3.37+ MPO 70475 -1.1 day
Orbital elements:
2004 SC56 Earth MOID = 0.0113 AU
Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC
M 207.26315 (2000.0) P Q
n 1.46699767 Peri. 322.48784 -0.96451797 -0.26211904
a 0.7670961 Node 202.37819 +0.25785622 -0.90953033
e 0.4289278 Incl. 4.76140 +0.05670320 -0.32256501
P 0.67 H 22.9 G 0.15 U 4
Residuals in seconds of arc
040925 704 0.1+ 0.8+ 041001 941 0.2- 0.1+ 041005 185 0.5+ 0.6+
040925 704 0.1+ 0.6+ 041002 G72 (3.6- 0.8-) 041005 185 0.6- 0.1+
040925 704 0.3- 0.5+ 041002 G72 0.6+ 1.1+ 041005 185 0.3+ 0.6+
040925 704 0.3+ 0.6+ 041002 G72 (7.3+ 2.8+) 041005 185 0.1- 0.2-
040925 176 0.1- 0.1- 041002 G72 (4.5- 3.0-) 041005 185 0.1+ 0.7+
040925 176 0.2- 0.1- 041002 G72 (5.2- 1.0-) 041005 185 0.0 0.1+
040925 176 0.1- 0.1- 041002 G72 1.0- 1.4- 041005 185 0.2+ 0.1-
040925 176 0.2- 0.0 041002 G72 (6.2- 3.2-) 041005 185 0.8- 0.9-
040925 176 0.3- 0.0 041002 G72 0.1- 0.8- 041005 185 0.6+ 0.9+
040926 734 0.6+ 0.2+ 041002 G72 0.9+ 0.1- 041005 A35 0.3+ 1.0+
040926 734 0.4+ 0.0 041003 G70 0.3- 0.2+ 041005 A35 0.4+ 0.3+
040926 734 0.8+ 0.0 041003 G70 0.1- 0.2+ 041005 A35 0.6- 0.0
040926 734 0.6+ 0.1+ 041003 G70 0.1- 0.0 041005 176 1.2- 0.7-
040926 704 0.1- 0.3+ 041003 A35 0.0 0.1+ 041005 176 1.3- 0.7-
040926 704 0.3- 0.8+ 041003 A35 0.4+ 0.5+ 041005 176 1.3- 0.7-
040926 854 0.4- 0.1+ 041003 A35 0.2+ 1.1+ 041005 176 1.4- 0.8-
040926 854 0.2- 0.4+ 041003 A35 0.7- 0.6+ 041005 A13 1.2+ 1.2-
040926 854 0.4+ 0.1+ 041003 246 1.0+ 0.7+ 041005 A13 1.7+ 1.2-
040926 854 0.9- 0.3+ 041003 246 0.5+ 0.7+ 041005 A13 0.4+ 0.3-
040926 704 0.4+ 0.2+ 041003 246 0.6+ 1.0+ 041005 A13 0.2+ 0.3-
040926 A13 0.6- 0.2+ 041003 246 0.9+ 0.9+ 041006 J95 0.6+ 0.2-
040926 A13 (5.5+ 0.0 ) 041003 246 0.6+ 0.5+ 041006 J95 0.1- 0.4-
040926 A13 (5.5+ 1.3+) 041003 246 1.2+ 1.1+ 041006 J95 0.2+ 0.0
040926 A13 (6.4- 0.2-) 041004 649 0.4- 0.2- 041008 696 0.1- 0.0
040928 G72 (3.1- 0.7-) 041004 649 0.2- 0.1- 041008 696 0.4- 0.1+
040928 G72 1.6+ 0.5- 041004 649 0.3- 0.2- 060916 703 0.4- 0.1-
040928 G72 0.1+ 0.5+ 041004 649 0.2- 0.5- 060916 703 0.3- 0.2-
040928 G72 (4.9- 0.8-) 041004 649 0.1+ 0.2- 060916 703 0.0 0.2-
040928 G72 (6.2+ 0.1+) 041004 649 0.2- 0.3- 060916 703 0.0 0.1-
040928 938 0.7+ 0.5- 041004 649 0.5- 0.3- 060916 703 1.3- 0.1+
040928 938 0.3- 0.5- 041004 G70 0.3- 0.2+ 060916 703 0.9- 0.7-
040928 938 0.3+ 0.6+ 041004 G70 0.4- 0.0 060916 585 (4.8+ 1.4+)
040928 938 0.5+ 0.4+ 041004 G70 0.5- 0.0 060916 585 0.0 0.3-
040928 A13 (2.4- 0.8-) 041004 185 0.2- 0.5- 060916 585 (3.5+ 2.6+)
040928 A13 (2.2- 0.6-) 041004 A13 0.0 0.1+ 060916 585 (9.1+ 5.2+)
040928 A13 1.9- 0.5- 041004 A13 0.2+ 0.0 060916 585 1.4+ 1.2+
040928 A13 (2.3- 0.3+) 041004 A13 0.2+ 0.0 060917 932 0.0 0.3-
040929 938 0.6- 0.6- 041004 A13 0.3+ 0.1+ 060917 932 0.0 0.5-
040929 938 0.3- 0.0 041004 A13 0.0 0.3- 060917 932 0.1+ 0.4-
040929 938 0.5+ 0.0 041004 J95 0.3+ 0.2+ 060917 850 0.2- 0.3-
040929 938 0.4- 0.4+ 041004 J95 0.1+ 0.2- 060917 850 0.0 0.3-
040929 938 0.1- 0.5- 041004 J95 0.0 0.0 060917 673 0.1- 0.2-
040929 938 0.2+ 0.1+ 041005 649 0.4- 0.1- 060917 673 0.1- 0.1-
041001 H06 0.1+ 0.1+ 041005 649 0.3- 0.2- 060917 850 0.3+ 0.8-
041001 H06 0.2- 0.1+ 041005 649 0.5- 0.4- 060917 673 0.1- 0.0
041001 H06 0.3+ 0.3+ 041005 649 0.3- 0.1- 060917 673 0.6+ 0.3+
041001 176 0.5- 0.2- 041005 A35 0.5- 0.6+ 060917 703 1.1- 0.8-
041001 176 0.5- 0.2- 041005 A35 0.4+ 0.3+ 060917 703 0.3- 0.1-
041001 176 0.4- 0.2- 041005 185 0.2- 0.1- 060917 703 0.3+ 0.2+
041001 176 0.3- 0.3- 041005 185 0.3- 0.1- 060917 703 0.4- 0.0
041001 176 0.3- 0.3- 041005 185 0.3+ 0.1+ 060917 651 0.8+ 0.3-
041001 176 0.2- 0.3- 041005 185 0.0 0.2- 060917 651 1.1+ 0.4+
041001 941 0.3- 0.1+ 041005 185 0.1- 0.4+ 060917 651 1.3+ 0.1-
041001 941 0.3- 0.1+ 041005 185 0.5- 0.3+ 060917 651 1.1+ 0.3+
041001 941 0.4- 0.2+ 041005 185 0.4+ 0.9+
Ephemeris:
2004 SC56 a,e,i = 0.77, 0.43, 5 q = 0.4381
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 09 12 23 40.25 +28 55.7 0.101 1.092 146.4 30.7 19.4
2006 09 14 23 19.79 +26 56.8 0.0965 1.090 149.4 28.0 19.3
2006 09 16 22 58.30 +24 30.0 0.0927 1.088 151.3 26.3 19.1
2006 09 18 22 36.29 +21 35.9 0.0899 1.085 151.5 26.2 19.0
2006 09 20 22 14.31 +18 18.2 0.0883 1.082 149.7 27.9 19.0
2006 09 22 21 52.92 +14 43.5 0.0878 1.078 146.1 31.3 19.1
2006 09 24 21 32.58 +11 00.1 0.0885 1.074 141.2 35.8 19.3
2006 09 26 21 13.64 +07 16.9 0.0902 1.069 135.7 41.0 19.4
2006 09 28 20 56.27 +03 41.3 0.0929 1.064 129.8 46.3 19.6
2006 09 30 20 40.54 +00 18.8 0.0965 1.059 124.0 51.6 19.9
2006 10 02 20 26.42 -02 47.5 0.101 1.053 118.4 56.7 20.1
2006 10 04 20 13.78 -05 36.5 0.106 1.046 113.1 61.5 20.3
2006 10 06 20 02.48 -08 08.4 0.111 1.040 108.1 66.1 20.5
2006 10 08 19 52.36 -10 24.5 0.117 1.033 103.4 70.3 20.8
2006 10 10 19 43.28 -12 26.1 0.123 1.025 98.9 74.3 21.0
2006 10 12 19 35.07 -14 15.1 0.129 1.017 94.7 78.0 21.2
2006 10 14 19 27.61 -15 52.9 0.135 1.008 90.7 81.6 21.4
2006 10 16 19 20.78 -17 21.1 0.142 0.999 86.9 84.9 21.6
2006 10 18 19 14.46 -18 40.8 0.148 0.990 83.3 88.2 21.8
2006 10 20 19 08.54 -19 53.4 0.154 0.980 79.7 91.3 22.0
2006 10 22 19 02.93 -20 59.6 0.161 0.970 76.3 94.4 22.2
Gareth V. Williams (C) Copyright 2006 MPC M.P.E.C. 2006-S08
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