• Processing (Info)

    • MPEC 2007-S36 : COMET P/2007 S1 (ZHAO)

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    M.P.E.C. 2007-S36                                Issued 2007 Sept. 20, 23:11 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 09 08.41039 00 51 24.61 -01 04 13.6          18.1 N ES036699
    PK07S010  C2007 09 08.43229 00 51 24.05 -01 04 20.7                 ES036699
    PK07S010  C2007 09 08.45416 00 51 23.69 -01 04 28.9                 ES036699
    PK07S010  C2007 09 08.47608 00 51 23.20 -01 04 36.9                 ES036699
    PK07S010  C2007 09 15.32665 00 48 45.93 -01 45 23.0          18.0 N ES036699
    PK07S010  C2007 09 15.35225 00 48 45.09 -01 45 32.6                 ES036699
    PK07S010  C2007 09 15.37785 00 48 44.34 -01 45 42.0                 ES036699
    PK07S010  C2007 09 17.78693 00 47 37.51 -02 00 44.2          18.2 T ES036D29
    PK07S010  C2007 09 17.79947 00 47 37.13 -02 00 48.8          18.0 T ES036D29
    PK07S010  C2007 09 17.80967 00 47 36.81 -02 00 52.1          18.5 T ES036D29
    PK07S010  C2007 09 17.82219 00 47 36.54 -02 00 58.4          19.5 T ES036D29
    PK07S010  C2007 09 19.89913 00 46 35.13 -02 14 06.0          18.7 T ES036473
    PK07S010  C2007 09 19.91557 00 46 34.58 -02 14 12.3          19.3 T ES036473
    PK07S010  C2007 09 19.92368 00 46 34.37 -02 14 15.2          19.0 T ES036473
    PK07S010  C2007 09 19.98689 00 46 32.21 -02 14 38.6          18.7 N ES036204
    PK07S010  C2007 09 20.03868 00 46 30.71 -02 14 59.6                 ES036204
    PK07S010  C2007 09 20.30207 00 46 22.56 -02 16 40.6                 ES036701
    PK07S010  C2007 09 20.32429 00 46 21.92 -02 16 49.1                 ES036701
    PK07S010  C2007 09 20.34652 00 46 21.47 -02 16 52.6                 ES036701
    PK07S010  C2007 09 20.36874 00 46 20.41 -02 17 04.8                 ES036701
    PK07S010  C2007 09 20.39291 00 46 19.84 -02 17 13.9          18.4 T ES036H06
    PK07S010  C2007 09 20.39721 00 46 19.64 -02 17 15.0          17.8 T ES036H06
    PK07S010  C2007 09 20.88674 00 46 04.81 -02 20 23.0          18.9 N ES036473
    PK07S010  C2007 09 20.89190 00 46 04.46 -02 20 24.8          19.1 T ES036235
    PK07S010  C2007 09 20.89854 00 46 04.31 -02 20 27.4          18.9 N ES036473
    PK07S010  C2007 09 20.89938 00 46 04.24 -02 20 28.1          19.0 T ES036235
    PK07S010  C2007 09 20.90641 00 46 04.02 -02 20 30.4          19.1 N ES036473
    PK07S010  C2007 09 20.90685 00 46 04.05 -02 20 32.0          19.0 T ES036235

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, F. Luppi.  Measurer
    L. Buzzi.  0.60-m f/4.64 reflector + CCD.
235 CAST Observatory, Talmassons.  Observer R. Ligustri.  0.35-m f/5 reflector
    + CCD.
473 Remanzacco.  Observers L. Donato, V. Gonano.  0.45-m f/4.4 Newtonian
    reflector + CCD.
699 Lowell Observatory-LONEOS.  Observers J. J. Sanborn, B. W. Koehn.  0.59-m
    LONEOS Schmidt + CCD.
701 Junk Bond Observatory, Sierra Vista.  Observer D. Healy.  0.81-m f/4.4
    Ritchey-Chretien + CCD.
D29 Purple Mountain Observatory, XuYi Station.  Observers H. B. Zhao, J. S.
    Yao, Y. Z. Wu, G. T. Zhaori, R. Q. Hong, L. F. Hu.  Measurer H. B. Zhao.
    1.04-m f/1.8 Schmidt + CCD.
H06 RAS Observatory, Mayhill.  Observers E. Guido, G. Sostero.  0.25-m f/3.4
    reflector + CCD.

Orbital elements:
    P/2007 S1 (Zhao)
T 2007 Dec. 10.559 TT                                   MPC
q   2.50287              (2000.0)            P               Q
n   0.132123       Peri.  246.072       +0.879819       -0.470883
a   3.81784        Node   141.930       +0.465272       +0.825389
e   0.34443        Incl.    6.024       +0.097161       +0.311453
P   7.46
From 24 observations 2007 Sept. 8-20.

Ephemeris:
    P/2007 S1 (Zhao)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 09 17    00 48.00   -01 55.7    1.584    2.560   162.2     6.9  18.1
2007 09 27    00 42.70   -02 59.2    1.552    2.547   171.3     3.4  18.0
2007 10 07    00 36.73   -03 59.6    1.545    2.536   170.3     3.8  18.0
2007 10 17    00 30.99   -04 49.6    1.565    2.527   160.6     7.5  18.0
2007 10 27    00 26.41   -05 23.2    1.609    2.519   150.0    11.4  18.0
2007 11 06    00 23.67   -05 37.5    1.675    2.513   139.5    14.8  18.1
2007 11 16    00 23.18   -05 31.3    1.759    2.508   129.6    17.7  18.2
2007 11 26    00 25.09   -05 05.7    1.858    2.505   120.2    19.9  18.3

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-S36

    Read MPEC 2007-S35 Read MPEC 2007-S37

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