MPEC 2009-A35 : COMET C/2008 Y3 (McNAUGHT)
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M.P.E.C. 2009-A35 Issued 2009 Jan. 5, 17:42 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 C/2008 Y3 (McNAUGHT)
Observations:
CK08Y030 C2009 01 01.41047 08 51 35.64 -22 05 34.1 19.7 T EA035H55
CK08Y030 C2009 01 01.41533 08 51 35.43 -22 05 35.4 19.7 T EA035H55
CK08Y030 C2009 01 01.42007 08 51 35.35 -22 05 37.7 19.8 T EA035H55
CK08Y030 C2009 01 01.66573 08 51 28.61 -22 07 25.4 17.7 T EA035E12
CK08Y030 C2009 01 01.73323 08 51 26.68 -22 07 55.5 17.9 T EA035E12
CK08Y030 C2009 01 02.08190 08 51 17.03 -22 10 33.3 17.8 N EA035204
CK08Y030 C2009 01 02.16826 08 51 14.56 -22 11 11.6 EA035204
CK08Y030 C2009 01 02.70217 08 50 59.52 -22 15 03.6 17.9 T EA035E12
CK08Y030 C2009 01 03.72806 08 50 30.08 -22 22 30.2 EA035372
CK08Y030 C2009 01 03.73450 08 50 30.04 -22 22 32.6 EA035372
CK08Y030 C2009 01 03.73728 08 50 29.82 -22 22 34.3 18.3 N EA035372
CK08Y030 C2009 01 04.41252 08 50 10.17 -22 27 16.1 18.8 N EA035E85
CK08Y030 C2009 01 04.41403 08 50 10.01 -22 27 17.1 19.3 N EA035E85
CK08Y030 C2009 01 04.41706 08 50 10.00 -22 27 18.7 19.1 N EA035E85
CK08Y030 C2009 01 04.57095 08 50 05.39 -22 28 23.5 17.9 T EA035E12
CK08Y030 C2009 01 04.57444 08 50 05.29 -22 28 25.0 17.8 T EA035E12
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
372 Geisei. Observers T. Seki, K. Muraoka, S. Shimomoto. 0.70-m f/7
reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
E85 Farm Cove. Observer J. McCormick. 0.35-m f/10 Schmidt-Cassegrain + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
C/2008 Y3 (McNaught)
T 2008 Apr. 3.662 TT MPC
q 3.90538 (2000.0) P Q
Peri. 189.733 -0.076815 -0.755047
Node 267.023 +0.953012 +0.136340
e 1.0 Incl. 40.695 +0.293032 -0.641339
From 43 observations 2008 Dec. 31-2009 Jan. 4.
Ephemeris:
C/2008 Y3 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 12 30 08 52.67 -21 46.9 3.916 4.543 124.3 10.3 18.0
2009 01 09 08 47.83 -22 57.5 3.889 4.586 130.2 9.4 18.1
2009 01 19 08 42.20 -23 49.7 3.884 4.630 134.8 8.7 18.1
2009 01 29 08 36.23 -24 22.6 3.901 4.676 137.6 8.2 18.2
2009 02 08 08 30.39 -24 36.4 3.942 4.722 138.0 8.0 18.2
2009 02 18 08 25.14 -24 32.9 4.006 4.769 136.2 8.2 18.3
2009 02 28 08 20.85 -24 15.1 4.092 4.817 132.5 8.7 18.4
2009 03 10 08 17.83 -23 46.6 4.198 4.865 127.3 9.3 18.5
2009 03 20 08 16.21 -23 11.4 4.322 4.915 121.4 10.0 18.6
2009 03 30 08 16.04 -22 32.9 4.461 4.965 114.9 10.5 18.7
2009 04 09 08 17.31 -21 54.6 4.612 5.015 108.2 10.9 18.8
2009 04 19 08 19.91 -21 19.0 4.771 5.067 101.4 11.2 18.9
2009 04 29 08 23.73 -20 48.0 4.937 5.119 94.7 11.3 19.1
Further observations of this comet are very desirable.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-A35
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