MPEC 2009-A43 : COMET P/2008 Y3 (McNAUGHT)
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M.P.E.C. 2009-A43 Issued 2009 Jan. 7, 21:57 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 Y3 (McNAUGHT)
Observations:
PK08Y030 C2009 01 04.59045 08 50 04.75 -22 28 31.3 18.5 T EA043423
PK08Y030 C2009 01 04.63446 08 50 03.40 -22 28 49.3 18.3 T EA043423
PK08Y030 C2009 01 05.55762 08 49 35.72 -22 35 09.8 17.7 T EA043423
PK08Y030 C2009 01 05.57642 08 49 35.27 -22 35 18.9 18.3 T EA043423
PK08Y030 C2009 01 06.05196 08 49 20.70 -22 38 35.7 EA043J95
PK08Y030 C2009 01 06.05768 08 49 20.54 -22 38 37.7 EA043J95
PK08Y030 C2009 01 06.06403 08 49 20.34 -22 38 40.2 18.3 N EA043J95
PK08Y030 C2009 01 07.38185 08 48 39.86 -22 47 18.7 19.2 N EA043E85
PK08Y030 C2009 01 07.38338 08 48 39.45 -22 47 19.7 19.0 N EA043E85
PK08Y030 C2009 01 07.38794 08 48 39.42 -22 47 25.3 19.3 N EA043E85
PK08Y030 C2009 01 07.39491 08 48 39.09 -22 47 29.4 17.9 T EA043673
PK08Y030 C2009 01 07.39931 08 48 38.90 -22 47 30.7 EA043673
PK08Y030 C2009 01 07.40532 08 48 38.73 -22 47 33.5 EA043673
PK08Y030 C2009 01 07.40995 08 48 38.58 -22 47 34.9 EA043673
PK08Y030 C2009 01 07.73525 08 48 28.22 -22 49 41.6 EA043900
PK08Y030 C2009 01 07.74681 08 48 27.87 -22 49 45.2 18.5 T EA043900
Observer details:
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
E85 Farm Cove. Observer J. McCormick. 0.35-m f/10 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2008 Y3 (McNaught)
T 2009 Jan. 15.107 TT MPC
q 4.44511 (2000.0) P Q
n 0.043050 Peri. 238.518 -0.596668 -0.504935
a 8.06280 Node 263.165 +0.761281 -0.602010
e 0.44869 Incl. 38.916 -0.253847 -0.618566
P 22.9
From 57 observations 2008 Dec. 31-2009 Jan. 7.
Ephemeris:
P/2008 Y3 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 12 30 08 52.66 -21 47.0 3.818 4.446 124.3 10.5 17.9
2009 01 09 08 47.80 -22 57.7 3.746 4.445 130.2 9.7 17.8
2009 01 19 08 42.00 -23 50.8 3.696 4.445 134.8 9.0 17.8
2009 01 29 08 35.69 -24 24.6 3.669 4.446 137.5 8.6 17.8
2009 02 08 08 29.38 -24 38.7 3.666 4.447 137.9 8.5 17.8
2009 02 18 08 23.58 -24 34.3 3.685 4.449 136.0 8.9 17.8
2009 02 28 08 18.74 -24 14.0 3.726 4.452 132.1 9.5 17.8
2009 03 10 08 15.22 -23 41.5 3.788 4.455 126.8 10.3 17.9
2009 03 20 08 13.23 -23 01.1 3.867 4.459 120.7 11.1 17.9
2009 03 30 08 12.88 -22 16.6 3.960 4.463 114.2 11.8 18.0
2009 04 09 08 14.16 -21 31.9 4.065 4.469 107.5 12.3 18.0
2009 04 19 08 16.98 -20 49.9 4.178 4.475 100.7 12.7 18.1
2009 04 29 08 21.24 -20 13.0 4.297 4.481 94.0 13.0 18.2
Further observations of this comet are desirable.
Further observations of comet C/2008 Y1 are very desirable.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-A43
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