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M.P.E.C. 2004-J71 Issued 2004 May 15, 14:42 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 Steven and Michele Kirsch 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 F4 (BRADFIELD)
Observations:
CK04F040 C2004 05 10.75810 01 03 06.34 +41 06 57.1 EJ071349
CK04F040 C2004 05 10.75870 01 03 06.35 +41 06 58.6 EJ071349
CK04F040 C2004 05 10.77583 01 03 07.17 +41 07 35.9 EJ071349
CK04F040 C2004 05 10.77643 01 03 07.21 +41 07 37.2 8.6 T EJ071349
CK04F040 C2004 05 11.77098 01 03 54.96 +41 42 49.7 11.9 N EJ071379
CK04F040 C2004 05 11.77213 01 03 55.07 +41 42 52.7 12.1 N EJ071379
CK04F040 C2004 05 11.77557 01 03 55.17 +41 43 00.2 12.1 N EJ071379
CK04F040 C2004 05 12.06285 01 04 09.18 +41 52 51.8 EJ071557
CK04F040 C2004 05 12.06425 01 04 09.24 +41 52 55.0 EJ071557
CK04F040 C2004 05 12.06565 01 04 09.33 +41 52 57.7 EJ071557
CK04F040 C2004 05 12.06704 01 04 09.40 +41 53 00.6 EJ071557
CK04F040 C2004 05 12.06844 01 04 09.46 +41 53 03.6 EJ071557
CK04F040 C2004 05 12.07031 01 04 09.54 +41 53 07.6 EJ071557
CK04F040 C2004 05 14.74031 01 06 25.29 +43 20 32.9 EJ071349
CK04F040 C2004 05 14.74093 01 06 25.31 +43 20 34.3 EJ071349
CK04F040 C2004 05 14.74333 01 06 25.45 +43 20 38.9 EJ071349
CK04F040 C2004 05 14.74394 01 06 25.47 +43 20 40.0 9.4 T EJ071349
CK04F040 C2004 05 15.05694 01 06 41.68 +43 30 22.2 14.1 N EJ071J87
CK04F040 C2004 05 15.05988 01 06 41.83 +43 30 27.1 14.2 N EJ071J87
CK04F040 C2004 05 15.10569 01 06 44.33 +43 31 53.4 13.0 N EJ071213
CK04F040 C2004 05 15.10716 01 06 44.40 +43 31 56.2 13.1 N EJ071213
CK04F040 C2004 05 15.10921 01 06 44.51 +43 32 00.2 13.0 N EJ071213
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/6.6 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2004 F4 (Bradfield)
T 2004 Apr. 17.0902 TT MPC
q 0.168285 (2000.0) P Q
z +0.004040 Peri. 332.7912 -0.7929582 -0.0629426
Node 222.7777 -0.2528719 -0.8709376
e 0.999320 Incl. 63.1646 -0.5543221 +0.4873458
From 63 observations 2004 Apr. 23-May 15.
Ephemeris:
C/2004 F4 (Bradfield)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 05 15 01 06.64 +43 28.7 1.397 0.874 38.5 46.1 10.1
2004 05 25 01 15.37 +47 59.6 1.574 1.097 43.9 39.8 11.4
2004 06 04 01 22.90 +51 40.3 1.719 1.303 49.0 36.0 12.3
2004 06 14 01 28.09 +54 53.9 1.839 1.495 54.4 33.5 13.1
2004 06 24 01 29.98 +57 50.3 1.935 1.678 60.1 31.7 13.7
2004 07 04 01 27.55 +60 33.0 2.014 1.852 66.1 30.1 14.2
2004 07 14 01 19.64 +63 00.8 2.077 2.018 72.4 28.7 14.6
2004 07 24 01 04.97 +65 08.2 2.130 2.179 79.0 27.2 15.0
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-J71
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