MPEC 2004-Y47 : COMET P/2004 Y1 (CHRISTENSEN)
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M.P.E.C. 2004-Y47 Issued 2004 Dec. 22, 17:49 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 C2004 12 09.41915 10 54 11.17 +21 36 13.2 18.2 N EY047704
PK04Y010 C2004 12 09.43343 10 54 11.80 +21 36 18.1 18.3 N EY047704
PK04Y010 C2004 12 09.44767 10 54 12.51 +21 36 22.8 18.5 N EY047704
PK04Y010 C2004 12 09.46187 10 54 13.29 +21 36 26.8 18.2 N EY047704
PK04Y010 C2004 12 09.47618 10 54 14.13 +21 36 34.3 17.9 N EY047704
PK04Y010 C2004 12 15.42965 10 58 48.42 +22 10 55.4 18.1 N EY047704
PK04Y010 C2004 12 15.44392 10 58 48.94 +22 11 00.3 18.0 N EY047704
PK04Y010 C2004 12 15.45834 10 58 49.58 +22 11 06.5 18.3 N EY047704
PK04Y010 C2004 12 15.47319 10 58 50.15 +22 11 12.7 18.6 N EY047704
PK04Y010 C2004 12 15.48761 10 58 50.67 +22 11 18.8 18.2 N EY047704
PK04Y010 C2004 12 21.47360 11 02 23.99 +22 52 57.8 16.5 T EY047703
PK04Y010 C2004 12 21.48229 11 02 24.20 +22 53 01.5 16.4 T EY047703
PK04Y010 C2004 12 21.49091 11 02 24.45 +22 53 05.4 16.1 T EY047703
PK04Y010 C2004 12 21.49950 11 02 24.63 +22 53 09.1 16.0 T EY047703
PK04Y010 C2004 12 22.33669 11 02 49.79 +22 59 32.9 17.2 T EY047673
PK04Y010 C2004 12 22.35139 11 02 50.20 +22 59 39.5 17.2 T EY047673
PK04Y010 C2004 12 22.36227 11 02 50.49 +22 59 44.9 17.2 T EY047673
PK04Y010 C2004 12 22.39028 11 02 51.28 +22 59 57.6 17.2 T EY047673
PK04Y010 C2004 12 22.40035 11 02 51.54 +23 00 02.1 17.2 T EY047673
PK04Y010 C2004 12 22.41493 11 02 51.91 +23 00 08.5 17.2 T EY047673
PK04Y010 C2004 12 22.42340 11 02 51.95 +23 00 12.2 16.1 T EY047703
PK04Y010 C2004 12 22.42650 11 02 52.25 +23 00 14.3 17.2 T EY047673
PK04Y010 C2004 12 22.43210 11 02 52.18 +23 00 16.7 15.9 T EY047703
PK04Y010 C2004 12 22.44079 11 02 52.41 +23 00 20.5 16.0 T EY047703
PK04Y010 C2004 12 22.44953 11 02 52.62 +23 00 24.0 15.9 T EY047703
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
703 Catalina Sky Survey. Observer E. J. Christensen. Measurers E. C. Beshore,
C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
R. H. McNaught. 0.68-m Schmidt + 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.
Orbital elements:
P/2004 Y1 (Christensen)
T 2004 June 21.588 TT MPC
q 1.64584 (2000.0) P Q
n 0.143458 Peri. 325.364 +0.564369 -0.776724
a 3.61398 Node 88.689 +0.806460 +0.446378
e 0.54459 Incl. 16.242 +0.176379 +0.444349
P 6.87
From 24 observations 2004 Dec. 9-22.
Ephemeris:
P/2004 Y1 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 12 21 11 02.16 +22 49.4 1.814 2.352 110.9 23.0 16.0
2004 12 31 11 05.79 +24 13.1 1.761 2.410 120.1 20.7 16.0
2005 01 10 11 06.19 +25 52.8 1.721 2.469 129.8 17.8 16.1
2005 01 20 11 03.28 +27 42.3 1.696 2.527 139.6 14.6 16.2
2005 01 30 10 57.34 +29 32.4 1.693 2.586 148.7 11.4 16.3
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-Y47
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