MPEC 2007-U09 : COMET P/2007 S1 (ZHAO)
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M.P.E.C. 2007-U09 Issued 2007 Oct. 16, 21:09 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 S1 (ZHAO)
Observations:
PK07S010 C2007 10 09.58998 00 35 09.92 -04 13 41.9 18.0 T EU009D29
PK07S010 C2007 10 09.61446 00 35 08.92 -04 13 50.2 17.8 T EU009D29
PK07S010 C2007 10 09.63382 00 35 08.27 -04 13 56.6 17.6 T EU009D29
PK07S010 C2007 10 09.65408 00 35 07.53 -04 14 02.0 17.6 T EU009D29
PK07S010 C2007 10 09.67265 00 35 06.78 -04 14 09.7 17.3 T EU009D29
PK07S010 C2007 10 09.69162 00 35 06.20 -04 14 14.0 17.8 T EU009D29
PK07S010 C2007 10 09.71050 00 35 05.40 -04 14 19.9 17.5 T EU009D29
PK07S010 C2007 10 09.73771 00 35 04.42 -04 14 28.9 16.9 T EU009D29
PK07S010 C2007 10 14.85797 00 32 08.24 -04 39 52.8 EU009246
PK07S010 C2007 10 14.85882 00 32 08.16 -04 39 53.2 EU009246
PK07S010 C2007 10 14.85978 00 32 08.16 -04 39 54.1 EU009246
PK07S010 C2007 10 14.86096 00 32 08.12 -04 39 55.2 EU009246
PK07S010 C2007 10 15.87222 00 31 34.91 -04 44 26.7 19.6 N EU009A77
PK07S010 C2007 10 15.90598 00 31 33.74 -04 44 35.9 19.5 N EU009A77
PK07S010 C2007 10 15.90721 00 31 33.67 -04 44 36.3 EU009246
PK07S010 C2007 10 15.90852 00 31 33.63 -04 44 36.6 EU009246
PK07S010 C2007 10 15.91177 00 31 33.44 -04 44 38.8 EU009246
PK07S010 C2007 10 15.91483 00 31 33.39 -04 44 39.1 EU009246
Observer details:
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
0.5-m f/3 reflector + CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao,
J. S. Yao, Y. Z. Wu, G. T. Zhaori, M. Wang, R. Q. Hong, L. F. Hu.
Measurers H. B. Zhao, G. T. Zhaori, H. Lu, F. Zeng. 1.04-m f/1.8 Schmidt
+ CCD.
Orbital elements:
P/2007 S1 (Zhao)
T 2007 Dec. 6.5889 TT MPC
q 2.494238 (2000.0) P Q
n 0.1331580 Peri. 245.3619 +0.8881449 -0.4549997
a 3.798025 Node 141.6126 +0.4502343 +0.8332928
e 0.343280 Incl. 5.9718 +0.0921285 +0.3140038
P 7.40
From 65 observations 2007 Sept. 8-Oct. 15.
Ephemeris:
P/2007 S1 (Zhao)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 10 07 00 36.71 -03 59.5 1.533 2.524 170.3 3.8 17.9
2007 10 17 00 30.98 -04 49.3 1.553 2.515 160.6 7.6 18.0
2007 10 27 00 26.41 -05 22.6 1.597 2.508 150.0 11.4 18.0
2007 11 06 00 23.69 -05 36.4 1.663 2.502 139.5 14.9 18.1
2007 11 16 00 23.23 -05 29.8 1.748 2.498 129.6 17.8 18.2
2007 11 26 00 25.19 -05 03.6 1.847 2.495 120.3 20.0 18.3
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-U09
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