MPEC 2009-R31 : COMET P/2009 Q5 (McNAUGHT)
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M.P.E.C. 2009-R31 Issued 2009 Sept. 9, 16:13 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 04.73212 01 29 25.14 -18 44 17.7 16.5 T ER031349
PK09Q050 C2009 09 04.73557 01 29 25.16 -18 44 21.5 ER031349
PK09Q050 C2009 09 05.41799 01 29 26.77 -18 57 19.1 17.5 N ER031H06
PK09Q050 C2009 09 05.42361 01 29 26.74 -18 57 25.5 ER031H06
PK09Q050 C2009 09 06.08823 01 29 27.74 -19 10 03.7 ER031204
PK09Q050 C2009 09 06.13371 01 29 27.69 -19 10 55.6 17.4 N ER031204
PK09Q050 C2009 09 06.64834 01 29 28.20 -19 20 41.1 ER031900
PK09Q050 C2009 09 06.65200 01 29 28.24 -19 20 46.4 16.5 T ER031900
PK09Q050 C2009 09 08.10092 01 29 27.42 -19 48 18.0 16.3 N ER031B74
PK09Q050 C2009 09 08.10682 01 29 27.39 -19 48 25.1 16.4 N ER031B74
PK09Q050 C2009 09 08.11219 01 29 27.35 -19 48 31.2 16.9 N ER031B74
PK09Q050 C2009 09 09.33889 01 29 25.11 -20 11 49.4 16.9 N ER031850
PK09Q050 C2009 09 09.36462 01 29 24.88 -20 12 18.6 17.0 N ER031850
Observer details:
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.30-m f/2.5
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
B74 Santa Maria de Montmagastrell. Observer J. M. Bosch. 0.31-m f/4.9
Newtonian reflector + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.25-m f/3.4 reflector + CCD.
Orbital elements:
P/2009 Q5 (McNaught)
T 2009 Sept. 8.976 TT MPC
q 2.92671 (2000.0) P Q
n 0.047027 Peri. 209.301 +0.945387 -0.238935
a 7.60161 Node 160.283 +0.176592 +0.947166
e 0.61499 Incl. 41.083 -0.273969 -0.213978
P 21.0
From 83 observations 2009 Aug. 31-Sept. 9.
Ephemeris:
P/2009 Q5 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 09 06 01 29.46 -19 08.3 2.072 2.927 141.3 12.4 16.2
2009 09 16 01 28.70 -22 17.2 2.038 2.927 146.1 11.0 16.2
2009 09 26 01 26.21 -25 16.0 2.032 2.930 147.9 10.5 16.2
2009 10 06 01 22.49 -27 53.3 2.052 2.934 146.0 11.0 16.2
2009 10 16 01 18.16 -30 00.3 2.097 2.941 141.2 12.3 16.3
2009 10 26 01 13.99 -31 31.8 2.165 2.950 134.7 13.9 16.4
2009 11 05 01 10.72 -32 26.5 2.252 2.961 127.4 15.4 16.5
2009 11 15 01 08.88 -32 47.1 2.355 2.974 119.9 16.8 16.6
2009 11 25 01 08.86 -32 37.5 2.469 2.989 112.4 17.8 16.7
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-R31
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