MPEC 2007-S55 : COMET P/2007 R4 (GARRADD)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2007-S54
Read MPEC 2007-S56
M.P.E.C. 2007-S55 Issued 2007 Sept. 25, 15:47 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2007 R4 (GARRADD)
Observations:
PK07R040 C2007 09 18.73916 02 15 51.03 -26 52 21.0 19.6 N ES055415
PK07R040 C2007 09 18.74485 02 15 51.08 -26 52 21.3 19.7 N ES055415
PK07R040 C2007 09 23.08281 02 16 02.54 -27 06 18.8 17.8 N ES055204
Observer details:
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2007 R4 (Garradd)
T 2007 Sept. 27.325 TT MPC
q 1.92120 (2000.0) P Q
n 0.069787 Peri. 282.899 +0.923558 -0.166607
a 5.84280 Node 87.491 +0.301932 +0.871185
e 0.67119 Incl. 20.225 -0.236383 +0.461821
P 14.1
From 25 observations 2007 Aug. 12-Sept. 23.
Ephemeris:
P/2007 R4 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 17 02 15.59 -26 45.5 1.078 1.924 134.9 21.7 17.5
2007 09 27 02 15.66 -27 13.9 1.050 1.921 138.8 20.1 17.4
2007 10 07 02 12.54 -27 08.9 1.036 1.924 141.8 18.7 17.4
2007 10 17 02 07.16 -26 20.9 1.039 1.932 143.2 18.0 17.4
2007 10 27 02 00.94 -24 45.3 1.058 1.945 142.7 18.0 17.5
2007 11 06 01 55.28 -22 24.9 1.096 1.963 140.1 18.9 17.6
2007 11 16 01 51.36 -19 27.7 1.153 1.986 135.8 20.3 17.8
2007 11 26 01 49.90 -16 05.6 1.228 2.014 130.4 21.9 18.0
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-S55
Read MPEC 2007-S54
Read MPEC 2007-S56
Our Web policy. Index to the CBAT/MPC/ICQ pages.
