MPEC 2008-A31 : COMET C/2007 Y2 (McNAUGHT)
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M.P.E.C. 2008-A31 Issued 2008 Jan. 7, 00:38 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/2007 Y2 (McNAUGHT)
Observations:
CK07Y020 C2008 01 02.70267 06 40 43.86 -51 03 37.2 18.6 T EA031E12
CK07Y020 C2008 01 02.71244 06 40 42.60 -51 03 41.6 18.6 T EA031E12
CK07Y020 C2008 01 02.72221 06 40 41.30 -51 03 46.2 18.5 T EA031E12
CK07Y020 C2008 01 02.73197 06 40 40.15 -51 03 52.2 18.5 T EA031E12
CK07Y020 C2008 01 04.08074 06 37 47.85 -51 14 42.3 18.8 N EA031I77
CK07Y020 C2008 01 04.08429 06 37 47.39 -51 14 44.9 18.8 N EA031I77
CK07Y020 C2008 01 04.08740 06 37 47.00 -51 14 46.2 18.6 N EA031I77
CK07Y020 C2008 01 05.03757 06 35 45.09 -51 21 56.4 17.9 N EA031I77
CK07Y020 C2008 01 05.04155 06 35 44.59 -51 21 57.8 18.4 N EA031I77
Observer details:
E12 Siding Spring Survey. Observer G. J. Garradd. 0.5-m Uppsala Schmidt
+ CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2007 Y2 (McNaught)
T 2008 Mar. 20.376 TT MPC
q 4.23445 (2000.0) P Q
Peri. 254.576 -0.028043 +0.561543
Node 303.283 +0.654321 -0.615120
e 1.0 Incl. 98.413 -0.755697 -0.553441
From 22 observations 2007 Dec. 31-2008 Jan. 5.
Ephemeris:
C/2007 Y2 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 01 05 06 35.83 -51 21.6 3.909 4.281 105.7 12.8 18.3
2008 01 15 06 14.25 -52 15.3 3.925 4.270 103.9 12.9 18.3
2008 01 25 05 53.43 -52 30.4 3.961 4.260 101.0 13.1 18.3
2008 02 04 05 34.71 -52 12.6 4.012 4.251 97.3 13.3 18.3
2008 02 14 05 19.02 -51 30.0 4.074 4.245 93.2 13.4 18.3
2008 02 24 05 06.71 -50 31.7 4.143 4.240 88.8 13.5 18.4
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-A31
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