MPEC 2005-T78 : COMET C/2005 S4 (McNAUGHT)
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M.P.E.C. 2005-T78 Issued 2005 Oct. 11, 22:20 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
COMET C/2005 S4 (McNAUGHT)
Observations:
CK05S040 C2005 10 02.41848 22 04 39.12 -37 42 36.1 19.0 N ET078415
CK05S040 C2005 10 02.42591 22 04 38.84 -37 42 34.4 19.8 N ET078415
CK05S040 C2005 10 02.48802 22 04 36.05 -37 42 22.0 18.9 N ET078415
CK05S040 C2005 10 08.49159 22 00 18.52 -37 20 17.3 18.8 T ET078423
CK05S040 C2005 10 08.50698 22 00 17.85 -37 20 13.6 19.3 T ET078423
CK05S040 C2005 10 11.42931 21 58 21.62 -37 08 23.8 18.6 T ET078423
CK05S040 C2005 10 11.45159 21 58 20.72 -37 08 17.5 18.4 T ET078423
Observer details:
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
Orbital elements:
C/2005 S4 (McNaught)
T 2007 July 17.9874 TT MPC
q 5.852692 (2000.0) P Q
Peri. 31.3835 +0.5301438 -0.5642215
Node 318.2804 -0.8284374 -0.1856242
e 1.0 Incl. 107.9955 +0.1806626 +0.8044860
From 46 observations 2005 July 27-Oct. 11.
Ephemeris:
C/2005 S4 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 10 07 22 01.34 -37 26.1 6.815 7.391 121.8 6.6 17.9
2005 10 17 21 54.95 -36 44.1 6.914 7.350 112.3 7.2 17.9
2005 10 27 21 49.82 -35 55.3 7.028 7.310 102.6 7.6 17.9
2005 11 06 21 45.99 -35 01.4 7.151 7.270 92.9 7.8 17.9
2005 11 16 21 43.43 -34 03.8 7.279 7.230 83.3 7.8 17.9
2005 11 26 21 42.07 -33 03.8 7.404 7.191 73.8 7.6 17.9
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-T78
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