MPEC 2007-D09 : COMET P/2007 C1 (CHRISTENSEN)
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M.P.E.C. 2007-D09 Issued 2007 Feb. 16, 16:20 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2007 C1 (CHRISTENSEN)
Observations:
PK07C010 2007 02 11.61146 10 14 37.31 +27 14 56.3 18.3 T ED009372
PK07C010 2007 02 12.60382 10 13 57.82 +27 19 36.9 18.5 T ED009372
PK07C010 2007 02 12.62847 10 13 56.80 +27 19 44.9 18.4 T ED009372
PK07C010 C2007 02 15.41875 10 12 02.15 +27 31 48.0 19.0 T ED009673
PK07C010 C2007 02 15.42569 10 12 01.82 +27 31 50.7 ED009673
PK07C010 C2007 02 15.43263 10 12 01.52 +27 31 51.8 ED009673
PK07C010 C2007 02 15.43958 10 12 01.17 +27 31 53.6 ED009673
PK07C010 C2007 02 15.83914 10 11 45.21 +27 33 26.0 18.7 N ED009104
PK07C010 C2007 02 15.84653 10 11 44.76 +27 33 28.8 18.4 N ED009104
PK07C010 C2007 02 15.85347 10 11 44.46 +27 33 30.7 19.0 N ED009104
PK07C010 C2007 02 15.85729 10 11 44.35 +27 33 30.4 19.0 T ED009215
PK07C010 C2007 02 15.85835 10 11 44.32 +27 33 30.7 19.1 T ED009215
PK07C010 C2007 02 15.85941 10 11 44.30 +27 33 31.0 19.2 T ED009215
PK07C010 C2007 02 15.88700 10 11 43.00 +27 33 38.1 19.4 N ED009A13
PK07C010 C2007 02 15.90581 10 11 42.18 +27 33 42.7 19.5 N ED009A13
PK07C010 C2007 02 15.91621 10 11 41.77 +27 33 45.4 18.7 N ED009213
PK07C010 C2007 02 15.91973 10 11 41.62 +27 33 46.8 18.7 N ED009213
PK07C010 C2007 02 15.92091 10 11 41.57 +27 33 47.1 18.7 N ED009213
PK07C010 C2007 02 15.92445 10 11 41.35 +27 33 47.3 19.3 N ED009A13
PK07C010 C2007 02 16.27843 10 11 26.26 +27 35 11.9 19.9 N ED009850
PK07C010 C2007 02 16.30889 10 11 24.99 +27 35 18.4 19.7 N ED009850
PK07C010 C2007 02 16.34018 10 11 23.46 +27 35 25.3 19.9 N ED009850
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, A. Boattini,
M. Mazzucato, F. Dolfi, M. Tombelli. Measurers G. Forti, L. Tesi,
A. Boattini. 0.60-m f/4 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.6-m
reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig,
T. R. Williams, J. K. Bates. 0.30-m f/3.7 Schmidt-Cassegrain + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
Orbital elements:
P/2007 C1 (Christensen)
T 2007 Mar. 7.163 TT MPC
q 2.04436 (2000.0) P Q
n 0.151759 Peri. 96.655 -0.886995 -0.446823
a 3.48097 Node 56.865 +0.349232 -0.814249
e 0.41270 Incl. 8.002 +0.302121 -0.370605
P 6.49
From 62 observations 2007 Feb. 9-16.
Ephemeris:
P/2007 C1 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 02 09 10 16.29 +27 01.8 1.089 2.054 163.6 7.8 18.3
2007 02 19 10 09.52 +27 44.7 1.080 2.048 163.8 7.8 18.3
2007 03 01 10 02.68 +28 02.6 1.095 2.045 157.4 10.7 18.3
2007 03 11 09 57.28 +27 51.4 1.130 2.045 148.6 14.7 18.4
2007 03 21 09 54.41 +27 12.0 1.185 2.047 139.5 18.4 18.5
2007 03 31 09 54.65 +26 08.3 1.256 2.053 130.8 21.6 18.6
2007 04 10 09 58.05 +24 45.3 1.341 2.061 122.6 24.2 18.8
2007 04 20 10 04.29 +23 07.5 1.436 2.072 115.1 26.1 19.0
2007 04 30 10 12.99 +21 18.2 1.541 2.086 108.1 27.3 19.1
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-D09
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