MPEC 2004-U31 : COMET C/2004 Q2 (MACHHOLZ)
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M.P.E.C. 2004-U31 Issued 2004 Oct. 23, 16:31 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
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/2004 Q2 (MACHHOLZ)
Observations:
CK04Q020 C2004 09 21.18414 04 45 52.25 -25 01 50.8 12.4 N EU031J97
CK04Q020 C2004 09 21.18557 04 45 52.30 -25 01 51.6 12.3 N EU031J97
CK04Q020 2004 10 13.70611 05 05 41.75 -28 00 02.1 8.3 T EU031372
CK04Q020 2004 10 13.79566 05 05 45.01 -28 00 44.1 EU031372
CK04Q020 2004 10 16.76736 05 07 33.29 -28 23 23.7 7.8 T EU031372
CK04Q020 2004 10 16.77396 05 07 33.55 -28 23 27.0 EU031372
CK04Q020 C2004 10 17.15438 05 07 46.31 -28 26 17.8 11.6 N EU031A02
CK04Q020 C2004 10 17.15863 05 07 46.40 -28 26 19.6 11.6 N EU031A02
CK04Q020 C2004 10 17.16076 05 07 46.48 -28 26 20.7 11.6 N EU031A02
CK04Q020 C2004 10 21.78824 05 10 03.02 -28 59 21.1 11.4 N EU031379
CK04Q020 C2004 10 21.78939 05 10 03.07 -28 59 21.6 11.7 N EU031379
CK04Q020 C2004 10 21.79168 05 10 03.12 -28 59 22.7 11.4 N EU031379
CK04Q020 C2004 10 22.78126 05 10 27.45 -29 05 59.6 11.9 N EU031379
CK04Q020 C2004 10 22.78241 05 10 27.49 -29 06 00.3 11.9 N EU031379
CK04Q020 C2004 10 22.78470 05 10 27.52 -29 06 00.7 11.9 N EU031379
Observer details:
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
A02 Masia Cal Maciarol Modul 8. Observers J. L. Salto, A. Salto. Measurer
J. L. Salto. 0.25-m f/7.2 Schmidt-Cassegrain + CCD.
J97 Alginet. Observer T. Climent G. 0.25-m f/7 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2004 Q2 (Machholz)
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5
T 2005 Jan. 24.91460 TT MPC
q 1.2050877 (2000.0) P Q
z +0.0004132 Peri. 19.50231 -0.32005307 -0.71420060
+/-0.0000149 Node 93.62688 +0.76513824 -0.58231754
e 0.9995021 Incl. 38.58911 +0.55868552 +0.38836039
From 332 observations 2004 Aug. 27-Oct. 22, mean residual 0".35.
The "original" and "future" barycentric values of 1/a are +0.000404
and +0.001856 (+/- 0.000015) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-U31
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