MPEC 2009-R22 : COMET P/2009 Q5 (McNAUGHT)
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M.P.E.C. 2009-R22 Issued 2009 Sept. 5, 15:07 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/2009 Q5 (McNAUGHT)
Observations:
PK09Q050 C2009 09 01.62400 01 29 11.40 -17 45 32.4 16.8 T ER022900
PK09Q050 C2009 09 01.63006 01 29 11.36 -17 45 40.0 16.5 T ER022900
PK09Q050 C2009 09 02.40589 01 29 16.14 -18 00 10.1 16.4 N ER022E94
PK09Q050 C2009 09 02.41028 01 29 15.95 -18 00 19.3 16.4 N ER022E94
PK09Q050 C2009 09 02.41383 01 29 15.80 -18 00 25.3 17.4 T ER022H06
PK09Q050 C2009 09 02.41465 01 29 16.14 -18 00 21.5 16.6 N ER022E94
PK09Q050 C2009 09 02.41493 01 29 15.72 -18 00 26.9 17.1 N ER022H47
PK09Q050 C2009 09 02.41579 01 29 15.78 -18 00 28.0 ER022H06
PK09Q050 C2009 09 02.41775 01 29 15.78 -18 00 30.8 ER022H06
PK09Q050 C2009 09 02.41903 01 29 15.91 -18 00 25.5 16.9 N ER022E94
PK09Q050 C2009 09 02.42343 01 29 16.04 -18 00 32.3 17.2 N ER022E94
PK09Q050 C2009 09 02.42615 01 29 15.77 -18 00 39.7 17.1 N ER022H47
PK09Q050 C2009 09 02.43712 01 29 15.83 -18 00 52.4 17.2 N ER022H47
PK09Q050 C2009 09 02.66793 01 29 17.34 -18 05 09.9 17.1 N ER022D25
PK09Q050 C2009 09 02.68118 01 29 17.37 -18 05 24.4 17.1 N ER022D25
PK09Q050 C2009 09 03.31985 01 29 20.26 -18 17 33.2 16.9 T ER022H06
PK09Q050 C2009 09 03.32207 01 29 20.30 -18 17 36.0 ER022H06
PK09Q050 C2009 09 03.42393 01 29 20.55 -18 19 31.3 16.7 N ER022H47
PK09Q050 C2009 09 03.43212 01 29 20.60 -18 19 40.8 16.9 N ER022H47
PK09Q050 C2009 09 03.44019 01 29 20.66 -18 19 50.4 16.9 N ER022H47
Observer details:
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
D25 Tzec Maun Observatory, Pingelly. Observer D. Chestnov. 0.15-m f/7.3
refractor + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.41-m f/5.2
reflector + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.25-m f/3.4 reflector + CCD.
H47 Vicksburg. Observer C. Bell. 0.3-m f/4.7 Schmidt-Cassegrain + CCD.
Orbital elements:
P/2009 Q5 (McNaught)
T 2009 Sept. 20.276 TT MPC
q 2.89631 (2000.0) P Q
n 0.054339 Peri. 212.383 +0.933191 -0.280893
a 6.90339 Node 159.802 +0.221555 +0.940797
e 0.58045 Incl. 40.487 -0.282963 -0.189737
P 18.1
From 70 observations 2009 Aug. 31-Sept. 3.
Ephemeris:
P/2009 Q5 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 08 27 01 28.27 -16 00.9 2.103 2.902 134.5 14.4 16.2
2009 09 06 01 29.46 -19 08.3 2.042 2.898 141.3 12.6 16.2
2009 09 16 01 28.67 -22 17.6 2.007 2.896 146.1 11.1 16.1
2009 09 26 01 26.13 -25 17.1 1.998 2.897 147.9 10.6 16.1
2009 10 06 01 22.32 -27 55.2 2.016 2.899 146.0 11.1 16.1
2009 10 16 01 17.90 -30 02.7 2.059 2.903 141.1 12.4 16.2
2009 10 26 01 13.64 -31 34.2 2.124 2.909 134.6 14.1 16.3
2009 11 05 01 10.28 -32 28.7 2.208 2.918 127.3 15.7 16.4
2009 11 15 01 08.40 -32 48.4 2.308 2.928 119.8 17.1 16.5
2009 11 25 01 08.38 -32 37.5 2.419 2.940 112.4 18.1 16.6
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-R22
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