MPEC 2006-S66 : COMET C/2006 S4 (CHRISTENSEN)
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M.P.E.C. 2006-S66 Issued 2006 Sept. 26, 17:14 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
COMET C/2006 S4 (CHRISTENSEN)
Observations:
CK06S040 C2006 09 22.88973 01 50 15.47 -16 24 32.2 17.0 T ES066585
CK06S040 C2006 09 22.89471 01 50 15.03 -16 24 31.2 17.0 T ES066585
CK06S040 C2006 09 22.90644 01 50 14.32 -16 24 30.8 16.9 T ES066585
CK06S040 C2006 09 23.40961 01 49 46.81 -16 23 05.9 17.8 T ES066673
CK06S040 C2006 09 23.41296 01 49 46.60 -16 23 05.2 ES066673
CK06S040 C2006 09 23.41794 01 49 46.33 -16 23 04.3 ES066673
CK06S040 C2006 09 23.45950 01 49 43.79 -16 22 57.4 17.7 T ES066682
CK06S040 C2006 09 23.47401 01 49 42.97 -16 22 54.7 18.0 T ES066682
CK06S040 C2006 09 23.48850 01 49 42.24 -16 22 52.1 18.5 T ES066682
CK06S040 C2006 09 23.60590 01 49 35.94 -16 22 28.0 19.6 N ES066415
CK06S040 C2006 09 23.61992 01 49 35.15 -16 22 25.4 19.6 N ES066415
CK06S040 C2006 09 23.76879 01 49 26.71 -16 22 04.9 ES066349
CK06S040 C2006 09 23.77170 01 49 26.53 -16 22 04.2 ES066349
CK06S040 C2006 09 23.77463 01 49 26.36 -16 22 03.6 17.3 T ES066349
CK06S040 C2006 09 23.99815 01 49 13.88 -16 21 25.6 17.0 T ES066585
CK06S040 C2006 09 24.00888 01 49 13.37 -16 21 23.9 17.1 T ES066585
CK06S040 C2006 09 24.01378 01 49 13.23 -16 21 23.7 17.0 T ES066585
CK06S040 C2006 09 24.01868 01 49 12.92 -16 21 23.3 18.0 N ES066585
CK06S040 C2006 09 24.02359 01 49 12.63 -16 21 22.4 18.0 N ES066585
CK06S040 C2006 09 24.03162 01 49 12.24 -16 21 17.9 17.2 T ES066585
CK06S040 C2006 09 24.38489 01 48 52.00 -16 20 18.3 17.3 T ES066699
CK06S040 C2006 09 24.40682 01 48 50.80 -16 20 14.4 ES066699
CK06S040 C2006 09 24.42877 01 48 49.78 -16 20 09.6 ES066699
CK06S040 C2006 09 24.44457 01 48 49.05 -16 20 05.2 17.1 T ES066703
CK06S040 C2006 09 24.44509 01 48 49.00 -16 20 05.3 ES066703
CK06S040 C2006 09 24.44561 01 48 48.96 -16 20 04.7 ES066703
CK06S040 C2006 09 24.44613 01 48 48.90 -16 20 04.9 ES066703
CK06S040 C2006 09 26.33625 01 47 01.11 -16 14 13.3 17.8 N ES066850
CK06S040 C2006 09 26.35129 01 47 00.32 -16 14 11.0 18.3 N ES066850
CK06S040 C2006 09 26.36633 01 46 59.33 -16 14 08.7 17.8 N ES066850
CK06S040 C2006 09 26.38141 01 46 58.44 -16 14 05.5 18.0 N ES066850
CK06S040 C2006 09 26.39644 01 46 57.56 -16 14 01.9 17.9 N ES066850
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
585 Kiev comet station. Observer A. Baransky. 0.70-m f/4 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
682 Kanab. Observer E. Sheridan. 0.36-m f/5.5 Schmidt-Cassegrain + CCD.
699 Lowell Observatory-LONEOS. Observer M. E. Van Ness. 0.59-m LONEOS
Schmidt + CCD.
703 Catalina Sky Survey. Observer E. J. Christensen. 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, I. H. Gray.
0.30-m f/9.7 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2006 S4 (Christensen)
T 2007 Apr. 22.222 TT MPC
q 3.36286 (2000.0) P Q
Peri. 19.643 +0.754664 -0.531992
Node 27.179 +0.430846 -0.039598
e 1.0 Incl. 57.215 +0.494827 +0.845823
From 45 observations 2006 Sept. 22-26.
Ephemeris:
C/2006 S4 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 09 22 01 51.06 -16 26.9 3.012 3.895 147.4 8.0 17.8
2006 10 02 01 41.33 -15 53.9 2.924 3.850 154.1 6.5 17.7
2006 10 12 01 30.48 -15 06.2 2.868 3.806 157.0 5.9 17.6
2006 10 22 01 19.17 -14 01.9 2.843 3.765 154.2 6.6 17.5
2006 11 01 01 08.19 -12 40.4 2.851 3.725 147.2 8.3 17.5
2006 11 11 00 58.26 -11 03.3 2.890 3.686 138.0 10.3 17.5
2006 11 21 00 49.94 -09 13.3 2.956 3.650 128.1 12.3 17.5
2006 12 01 00 43.59 -07 13.4 3.045 3.615 118.0 13.9 17.5
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-S66
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