MPEC 2005-B45 : COMET P/2004 Y1 (CHRISTENSEN)
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M.P.E.C. 2005-B45 Issued 2005 Jan. 21, 23:16 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 C2005 01 06.72672 11 06 25.49 +25 18 41.6 16.2 T EB045D74
PK04Y010 C2005 01 06.76383 11 06 25.51 +25 19 03.8 16.2 T EB045D74
PK04Y010 C2005 01 14.99957 11 05 08.24 +26 46 44.8 17.1 N EB045213
PK04Y010 C2005 01 15.00251 11 05 08.19 +26 46 46.8 17.1 N EB045213
PK04Y010 C2005 01 15.00546 11 05 08.10 +26 46 48.5 17.1 N EB045213
PK04Y010 C2005 01 15.00828 11 05 08.00 +26 46 51.2 18.0 N EB045167
PK04Y010 C2005 01 15.02201 11 05 07.69 +26 47 00.8 18.3 N EB045167
PK04Y010 C2005 01 15.03377 11 05 07.55 +26 47 07.6 18.0 N EB045167
PK04Y010 C2005 01 15.48527 11 04 59.20 +26 52 06.1 18.0 T EB045704
PK04Y010 C2005 01 15.49849 11 04 58.96 +26 52 15.3 18.5 T EB045704
PK04Y010 C2005 01 15.51150 11 04 58.72 +26 52 24.1 18.2 T EB045704
PK04Y010 C2005 01 15.52451 11 04 58.45 +26 52 32.7 18.8 T EB045704
PK04Y010 C2005 01 15.53787 11 04 58.13 +26 52 41.6 18.2 T EB045704
PK04Y010 C2005 01 17.07892 11 04 27.53 +27 09 44.3 16.9 N EB045945
PK04Y010 C2005 01 17.08265 11 04 27.45 +27 09 46.3 16.7 N EB045945
PK04Y010 C2005 01 17.08612 11 04 27.32 +27 09 47.3 16.6 N EB045945
PK04Y010 C2005 01 17.08958 11 04 27.35 +27 09 49.8 16.7 N EB045945
PK04Y010 C2005 01 17.09198 11 04 27.25 +27 09 52.0 16.8 N EB045945
PK04Y010 C2005 01 21.01404 11 02 48.33 +27 53 30.2 16.5 N EB045A61
PK04Y010 C2005 01 21.01823 11 02 48.32 +27 53 31.5 16.5 N EB045A61
PK04Y010 C2005 01 21.02534 11 02 48.10 +27 53 35.8 16.5 N EB045A61
Observer details:
167 Bulach OBservatory. Observer S. Meister. 0.50-m reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/6.6 Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
A61 Tortona. Observers F. Fratev, E. Mihaylova. Measurer F. Fratev. 0.25-m
f/4.7 reflector + CCD.
D74 Nakagawa. Observers H. Hori, H. Maeno. 1.13-m f/6.75 reflector + CCD.
Orbital elements:
P/2004 Y1 (Christensen)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 June 21.89346 TT MPC
q 1.6457528 (2000.0) P Q
n 0.14260454 Peri. 325.45198 +0.56315035 -0.77760619
a 3.6283888 Node 88.69002 +0.80716140 +0.44511421
e 0.5464233 Incl. 16.24220 +0.17706541 +0.44407425
P 6.91
From 129 observations 1998 Jan. 24-2005 Jan. 21, mean residual 0".96.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-B45
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