MPEC 2005-T12 : COMET C/2005 S4 (McNAUGHT)
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M.P.E.C. 2005-T12 Issued 2005 Oct. 1, 20:14 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
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 07 27.79709 23 02 31.56 -37 53 27.0 18.7 N ET012E12
CK05S040 C2005 07 27.80390 23 02 31.34 -37 53 28.5 18.5 N ET012E12
CK05S040 C2005 07 27.81052 23 02 31.05 -37 53 29.7 18.9 N ET012E12
CK05S040 C2005 07 27.81719 23 02 30.69 -37 53 30.9 18.6 N ET012E12
CK05S040 C2005 08 10.48379 22 51 33.40 -38 22 42.6 19.2 N ET012E12
CK05S040 C2005 08 10.49509 22 51 32.83 -38 22 43.3 19.5 N ET012E12
CK05S040 C2005 08 10.50640 22 51 32.25 -38 22 45.1 18.9 N ET012E12
CK05S040 C2005 08 10.51782 22 51 31.68 -38 22 45.6 19.1 N ET012E12
CK05S040 C2005 08 28.61544 22 35 07.47 -38 40 32.7 18.8 N ET012E12
CK05S040 C2005 08 28.62407 22 35 06.90 -38 40 33.3 18.6 N ET012E12
CK05S040 C2005 08 28.63274 22 35 06.43 -38 40 33.8 18.6 N ET012E12
CK05S040 C2005 08 28.64134 22 35 06.00 -38 40 33.7 18.7 N ET012E12
CK05S040 C2005 09 30.55673 22 06 03.85 -37 48 49.1 18.9 N ET012E12
CK05S040 C2005 09 30.56199 22 06 03.63 -37 48 47.6 18.0 N ET012E12
CK05S040 C2005 09 30.56726 22 06 03.38 -37 48 46.1 18.6 N ET012E12
CK05S040 C2005 09 30.57252 22 06 03.09 -37 48 46.0 18.2 N ET012E12
CK05S040 C2005 09 30.58801 22 06 02.45 -37 48 42.4 18.9 N ET012E12
CK05S040 C2005 09 30.58957 22 06 02.34 -37 48 42.0 18.9 N ET012E12
CK05S040 C2005 09 30.59115 22 06 02.26 -37 48 41.2 18.8 N ET012E12
CK05S040 C2005 09 30.59271 22 06 02.21 -37 48 40.7 18.7 N ET012E12
CK05S040 C2005 09 30.60569 22 06 01.49 -37 48 37.6 18.8 N ET012E12
CK05S040 C2005 09 30.60634 22 06 01.55 -37 48 37.9 19.0 N ET012E12
CK05S040 C2005 09 30.60699 22 06 01.57 -37 48 37.4 18.6 N ET012E12
CK05S040 C2005 09 30.60764 22 06 01.43 -37 48 37.9 18.6 N ET012E12
CK05S040 C2005 10 01.23070 22 05 32.94 -37 46 36.0 18.6 N ET012651
CK05S040 C2005 10 01.24018 22 05 32.51 -37 46 35.3 18.6 N ET012651
CK05S040 C2005 10 01.39933 22 05 25.33 -37 46 02.6 18.7 N ET012E12
CK05S040 C2005 10 01.40788 22 05 25.00 -37 46 01.2 18.6 N ET012E12
CK05S040 C2005 10 01.41651 22 05 24.54 -37 45 58.2 18.9 N ET012E12
CK05S040 C2005 10 01.42508 22 05 24.10 -37 45 57.1 19.0 N ET012E12
CK05S040 C2005 10 01.45068 22 05 22.94 -37 45 52.2 18.6 N ET012474
CK05S040 C2005 10 01.45265 22 05 22.78 -37 45 51.4 18.7 N ET012474
CK05S040 C2005 10 01.45450 22 05 22.72 -37 45 51.2 19.2 N ET012474
CK05S040 C2005 10 01.45635 22 05 22.65 -37 45 50.8 18.8 N ET012474
CK05S040 C2005 10 01.47626 22 05 21.73 -37 45 46.8 18.7 N ET012474
CK05S040 C2005 10 01.60613 22 05 15.81 -37 45 21.0 18.8 ET012E12
CK05S040 C2005 10 01.60870 22 05 15.71 -37 45 20.4 18.8 ET012E12
CK05S040 C2005 10 01.61123 22 05 15.60 -37 45 20.4 18.9 ET012E12
CK05S040 C2005 10 01.61374 22 05 15.49 -37 45 19.5 18.5 ET012E12
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
reflector + CCD.
E12 Siding Spring Survey. Observers G. J. Garradd, R. H. McNaught. Measurers
E. C. Beshore, C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer,
R. E. Hill, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
C/2005 S4 (McNaught)
T 2007 July 18.0603 TT MPC
q 5.851768 (2000.0) P Q
Peri. 31.3980 +0.5300384 -0.5643305
Node 318.2820 -0.8284556 -0.1854047
e 1.0 Incl. 107.9924 +0.1808882 +0.8044602
From 39 observations 2005 July 27-Oct. 1.
Ephemeris:
C/2005 S4 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 09 27 22 08.86 -37 59.7 6.736 7.432 131.0 5.8 17.9
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 7.278 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-T12
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