MPEC 2005-W51 : COMET C/2005 W2 (CHRISTENSEN)
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M.P.E.C. 2005-W51 Issued 2005 Nov. 24, 15:37 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2005 W2 (CHRISTENSEN)
Observations:
CK05W020 C2005 11 21.37089 03 46 42.85 +35 51 54.7 17.5 T EW051703
CK05W020 C2005 11 21.37895 03 46 42.60 +35 51 54.3 17.8 T EW051703
CK05W020 C2005 11 21.38697 03 46 42.34 +35 51 53.6 17.9 T EW051703
CK05W020 C2005 11 21.39506 03 46 42.06 +35 51 53.1 17.8 T EW051703
CK05W020 C2005 11 21.88656 03 46 25.19 +35 51 27.4 17.9 N EW051213
CK05W020 C2005 11 21.88806 03 46 25.12 +35 51 27.3 17.9 N EW051213
CK05W020 C2005 11 21.89107 03 46 25.04 +35 51 27.1 17.9 N EW051213
CK05W020 C2005 11 21.89409 03 46 24.91 +35 51 26.8 17.9 N EW051213
CK05W020 C2005 11 22.68021 03 45 57.15 +35 50 41.7 EW051349
CK05W020 C2005 11 22.68451 03 45 56.99 +35 50 41.4 EW051349
CK05W020 C2005 11 22.68882 03 45 56.84 +35 50 41.2 17.9 T EW051349
CK05W020 C2005 11 23.18666 03 45 39.65 +35 50 10.2 18.2 N EW051649
CK05W020 C2005 11 23.21870 03 45 38.48 +35 50 07.9 18.3 N EW051649
CK05W020 C2005 11 24.34010 03 44 59.10 +35 48 51.5 17.5 T EW051G96
CK05W020 C2005 11 24.34171 03 44 58.99 +35 48 51.4 17.6 T EW051G96
CK05W020 C2005 11 24.34249 03 44 59.00 +35 48 51.2 17.7 T EW051G96
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
649 Powell Observatory, Louisburg. Observers R. Fredrick, R. Trentman.
0.75-m Newtonian reflector + CCD.
703 Catalina Sky Survey. Observer R. Hill. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer E. J. Christensen. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
C/2005 W2 (Christensen)
T 2006 May 29.685 TT MPC
q 3.07956 (2000.0) P Q
Peri. 132.497 -0.274751 -0.957392
Node 333.063 +0.814525 -0.182591
e 1.0 Incl. 11.324 +0.510941 -0.223743
From 54 observations 2005 Nov. 20-24.
Ephemeris:
C/2005 W2 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 11 16 03 49.79 +35 54.7 2.655 3.609 161.9 4.9 17.2
2005 11 26 03 44.02 +35 46.7 2.600 3.560 164.3 4.3 17.1
2005 12 06 03 38.39 +35 27.3 2.573 3.514 159.7 5.6 17.0
2005 12 16 03 33.69 +34 59.0 2.573 3.469 151.4 7.8 17.0
2005 12 26 03 30.55 +34 25.3 2.598 3.426 141.9 10.2 16.9
It still seems likely that this comet is of moderately short period.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-W51
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