MPEC 2008-S77 : COMET P/2008 S1 = 2008 JK (CATALINA-McNAUGHT)
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M.P.E.C. 2008-S77 Issued 2008 Sept. 27, 14:33 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2008 S1 = 2008 JK (CATALINA-McNAUGHT)
Observations:
PK08S010 C2008 09 21.21832 16 35 16.30 -26 04 58.5 17.7 T ES077F84
PK08S010 C2008 09 21.22136 16 35 16.95 -26 05 03.5 17.4 T ES077F84
PK08S010 C2008 09 21.22438 16 35 17.53 -26 05 07.8 17.6 T ES077F84
PK08S010 C2008 09 22.35780 16 39 31.60 -26 32 40.0 18.1 N ES077467
PK08S010 C2008 09 22.35891 16 39 31.82 -26 32 41.8 17.7 N ES077467
PK08S010 C2008 09 22.36003 16 39 32.07 -26 32 43.0 17.6 N ES077467
PK08S010 C2008 09 24.23117 16 46 40.81 -27 17 25.3 17.1 T ES077F84
PK08S010 C2008 09 24.39602 16 47 19.16 -27 21 14.9 17.9 T ES077423
PK08S010 C2008 09 25.34041 16 51 00.56 -27 43 17.4 17.7 N ES077E85
PK08S010 C2008 09 25.34343 16 51 01.19 -27 43 21.0 18.4 N ES077E85
PK08S010 C2008 09 25.34946 16 51 02.54 -27 43 28.9 18.4 N ES077E85
PK08S010 C2008 09 25.37775 16 51 09.11 -27 44 07.2 17.9 N ES077467
PK08S010 C2008 09 25.37961 16 51 09.61 -27 44 08.0 17.6 N ES077467
PK08S010 C2008 09 25.38145 16 51 09.96 -27 44 12.8 18.2 N ES077467
PK08S010 C2008 09 26.31728 16 54 52.67 -28 05 39.6 17.9 N ES077E85
PK08S010 C2008 09 26.33499 16 54 57.07 -28 06 08.6 18.4 N ES077E85
Observer details:
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
467 Auckland Observatory. Observers G. W. Christie, T. Natusch. Measurer
G. W. Christie. 0.40-m f/10 Schmidt-Cassegrain + CCD.
E85 Farm Cove. Observer J. McCormick. 0.35-m f/10 Schmidt-Cassegrain + CCD.
F84 Hibiscus Observatory, Punaauia. Observer M. Meyer. 0.35-m f/2.0 Schmidt
+ CCD.
Orbital elements:
P/2008 S1 = 2008 JK (Catalina-McNaught)
Epoch 2008 Oct. 21.0 TT = JDT 2454760.5
T 2008 Oct. 1.81600 TT MPC
q 1.1905188 (2000.0) P Q
n 0.14572536 Peri. 203.61414 +0.69409131 +0.67774004
a 3.5763989 Node 111.37589 -0.61197114 +0.73304780
e 0.6671180 Incl. 15.10769 -0.37911553 +0.05752699
P 6.76
Residuals in seconds of arc
080502 703 0.4- 0.7- 080918 673 0.4+ 0.5- 080921 423 0.7+ 0.2+
080502 703 0.9+ 1.3+ 080918 673 0.1+ 0.2- 080921 423 0.6+ 0.2-
080502 703 0.4- 1.4+ 080918 E12 0.1- 0.1- 080922 E85 0.4+ 0.5-
080502 703 0.4+ 0.1- 080918 E12 0.1- 0.1- 080922 E85 1.1- 0.4+
080502 703 0.9- 0.3- 080918 D90 0.6- 0.6- 080922 E85 0.1- 0.0
080502 703 0.5- 0.0 080918 D90 0.6- 0.3+ 080922 467 0.3+ 0.4-
080502 703 0.2- 0.4+ 080918 E12 0.1- 0.5- 080922 467 0.1- 0.6-
080502 703 0.4- 0.0 080918 D90 1.7- 0.8- 080922 467 0.1- 0.2-
080502 J95 0.1- 0.2+ 080919 E12 0.1- 0.1+ 080924 F84 0.7+ 0.2-
080502 J95 0.2- 0.0 080919 E12 0.0 0.0 080924 423 0.3+ 0.6+
080502 J95 0.6+ 0.6- 080919 423 1.0+ 0.4- 080925 E85 1.5+ 0.5-
080917 E12 0.4- 0.8+ 080919 423 0.6- 0.0 080925 E85 0.5+ 0.0
080917 E12 0.1- 0.4+ 080920 423 0.2+ 0.6- 080925 E85 0.3- 0.4+
080917 E12 0.5+ 0.4- 080920 E12 0.1- 0.1+ 080925 467 1.1- 0.9+
080917 E12 0.3- 0.3+ 080920 E12 0.1+ 0.1- 080925 467 (0.2- 2.7+)
080918 H55 0.1+ 0.5+ 080920 423 0.6+ 0.1+ 080925 467 1.3- 0.4+
080918 H55 0.0 0.4+ 080921 F84 0.7+ 0.7+ 080926 E85 (1.5+ 4.3+)
080918 H55 0.3+ 0.5+ 080921 F84 0.5+ 0.2+ 080926 E85 (4.2+ 0.7-)
080918 673 0.1+ 0.6- 080921 F84 0.6- 0.2+
080918 673 0.4- 0.1- 080921 E12 0.2+ 0.0
Ephemeris:
P/2008 S1 = 2008 JK (Catalina-McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 09 21 16 34.47 -25 59.6 1.020 1.199 72.6 53.1 15.8
2008 10 01 17 14.15 -29 47.9 1.023 1.191 72.1 53.1 15.8
2008 10 11 17 59.15 -32 47.4 1.033 1.196 72.1 52.6 15.8
2008 10 21 18 48.32 -34 38.4 1.055 1.216 72.7 51.4 16.0
2008 10 31 19 39.55 -35 07.1 1.091 1.248 73.4 49.7 16.2
2008 11 10 20 30.10 -34 12.3 1.142 1.291 74.1 47.5 16.4
2008 11 20 21 17.54 -32 05.6 1.211 1.344 74.6 45.1 16.7
2008 11 30 22 00.55 -29 06.2 1.296 1.404 74.6 42.6 17.0
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-S77
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