MPEC 2007-S20 : COMET C/2007 Q1 (GARRADD)

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M.P.E.C. 2007-S20                                Issued 2007 Sept. 19, 15:08 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 C/2007 Q1 (GARRADD)

Observations:
    CK07Q010  C2007 09 12.93082 01 06 33.17 -17 24 26.4          18.5 T ES020215
    CK07Q010  C2007 09 14.37631 01 04 32.44 -17 21 30.1          18.7 T ES020703
    CK07Q010  C2007 09 14.38163 01 04 32.05 -17 21 29.3          19.0 T ES020703
    CK07Q010  C2007 09 14.38698 01 04 31.54 -17 21 28.2          19.3 T ES020703
    CK07Q010  C2007 09 14.39235 01 04 31.08 -17 21 27.4          19.0 T ES020703

Observer details:
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  0.68-m Schmidt + CCD.

Orbital elements:
    C/2007 Q1 (Garradd)
T 2006 Dec. 10.844 TT                                   MPC
q   2.97763              (2000.0)            P               Q
                   Peri.  281.837       +0.218339       +0.970495
                   Node     5.932       +0.278558       +0.038501
e   1.0            Incl.   81.871       -0.935272       +0.238028
From 41 observations 2007 Aug. 21-Sept. 14.

Ephemeris:
    C/2007 Q1 (Garradd)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 09 17    01 00.85   -17 15.6    3.095    4.026   154.6     6.1  19.0
2007 09 27    00 46.57   -16 45.9    3.132    4.089   160.0     4.8  19.1
2007 10 07    00 32.56   -16 04.2    3.206    4.152   158.3     5.1  19.2
2007 10 17    00 19.57   -15 10.8    3.317    4.216   150.8     6.6  19.4
2007 10 27    00 08.23   -14 07.3    3.462    4.280   140.9     8.4  19.5
2007 11 06    23 58.87   -12 56.2    3.637    4.345   130.4    10.0  19.7
2007 11 16    23 51.65   -11 39.7    3.836    4.411   119.8    11.2  19.9
2007 11 26    23 46.54   -10 19.7    4.052    4.477   109.4    12.0  20.0

     Further observations of this comet are very desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-S20

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