• Processing (Info)

    • MPEC 2007-U09 : COMET P/2007 S1 (ZHAO)

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2007-U08 Read MPEC 2007-U10 

    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

    Read MPEC 2007-U08 Read MPEC 2007-U10

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)