MPEC 2005-A54 : COMET P/2004 Y1 (CHRISTENSEN)
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M.P.E.C. 2005-A54 Issued 2005 Jan. 14, 16:02 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 P/2004 Y1 (CHRISTENSEN)
Observations:
PK04Y010 2005 01 06.78993 11 06 25.42 +25 19 13.8 17.5 T EA054372
PK04Y010 C2005 01 06.98250 11 06 25.51 +25 21 12.7 16.4 N EA054A54
PK04Y010 C2005 01 06.98897 11 06 25.44 +25 21 18.8 16.2 N EA054A54
PK04Y010 C2005 01 07.97846 11 06 22.73 +25 31 29.4 17.7 N EA054J87
PK04Y010 C2005 01 08.05393 11 06 22.40 +25 32 16.8 17.9 N EA054J87
PK04Y010 C2005 01 08.08155 11 06 22.20 +25 32 34.2 16.9 N EA054213
PK04Y010 C2005 01 08.08447 11 06 22.19 +25 32 35.9 16.9 N EA054213
PK04Y010 C2005 01 08.08740 11 06 22.19 +25 32 37.2 17.0 N EA054213
PK04Y010 C2005 01 08.71459 11 06 19.40 +25 39 09.7 17.1 T EA054900
PK04Y010 C2005 01 08.72120 11 06 19.17 +25 39 14.0 17.1 T EA054900
PK04Y010 C2005 01 10.94942 11 06 03.21 +26 02 47.5 17.6 T EA054561
PK04Y010 C2005 01 10.95394 11 06 03.16 +26 02 50.4 17.6 T EA054561
PK04Y010 C2005 01 10.95787 11 06 03.12 +26 02 53.2 17.7 T EA054561
PK04Y010 C2005 01 11.06138 11 06 01.95 +26 03 59.6 17.4 N EA054118
PK04Y010 C2005 01 11.06608 11 06 01.91 +26 04 02.5 17.5 N EA054118
PK04Y010 C2005 01 11.06959 11 06 01.89 +26 04 04.8 17.5 N EA054118
PK04Y010 C2005 01 11.07313 11 06 01.83 +26 04 07.1 17.4 N EA054118
Observer details:
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/6.6 Schmidt-Cassegrain + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
561 Piszkesteto. Observer J. Kelemen. 0.6-m Schmidt + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
A54 Ostrorog. Observer M. Reszelski. 0.13-m reflector + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m f/10 Schmidt-Cassegrain + CCD.
Orbital elements:
P/2004 Y1 (Christensen)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 21.89373 TT MPC
q 1.6457482 (2000.0) P Q
n 0.14260454 Peri. 325.45211 +0.56315300 -0.77760499
a 3.6283888 Node 88.68973 +0.80715936 +0.44511664
e 0.5464245 Incl. 16.24209 +0.17706629 +0.44407394
P 6.91
From 101 observations 1998 Jan. 24-2005 Jan. 11, mean residual 0".74.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-A54
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