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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-U63 : COMET P/2007 R4 (GARRADD)

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


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M.P.E.C. 2007-U63                                Issued 2007 Oct. 23, 16:28 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 R4 (GARRADD)

Observations:
    PK07R040  C2007 10 10.00817 02 11 06.04 -26 59 33.8          16.5 T EU063585
    PK07R040  C2007 10 10.01606 02 11 05.64 -26 59 28.7          16.4 T EU063585
    PK07R040  C2007 10 10.02174 02 11 05.46 -26 59 23.3          16.3 T EU063585
    PK07R040  C2007 10 13.57555 02 09 10.69 -26 42 38.2          18.2 T EU063423
    PK07R040  C2007 10 13.61429 02 09 09.23 -26 42 26.2          18.4 T EU063423
    PK07R040  C2007 10 13.68411 02 09 06.75 -26 42 02.9          19.7 N EU063415
    PK07R040  C2007 10 13.68975 02 09 06.52 -26 42 01.2          19.5 N EU063415
    PK07R040  C2007 10 16.71981 02 07 19.63 -26 22 54.9          18.0 T EU063E12
    PK07R040  C2007 10 18.55161 02 06 13.04 -26 09 12.9          18.1 T EU063423
    PK07R040  C2007 10 18.59788 02 06 11.20 -26 08 50.8          17.9 T EU063423
    PK07R040  C2007 10 19.68782 02 05 30.54 -25 59 54.7          20.5 N EU063415
    PK07R040  C2007 10 19.69908 02 05 29.99 -25 59 48.5          19.9 N EU063415
    PK07R040  C2007 10 20.56877 02 04 57.71 -25 52 15.5          18.0 T EU063423
    PK07R040  C2007 10 20.61090 02 04 55.99 -25 51 51.8          18.0 T EU063423

Observer details:
415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
    Schmidt-Cassegrain + CCD.
423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
    + CCD.
585 Kiev comet station.  Observer A. Baransky.  0.7-m f/4 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt
    + CCD.

Orbital elements:
    P/2007 R4 (Garradd)
Epoch 2007 Sept. 17.0 TT = JDT 2454360.5
T 2007 Sept. 27.27635 TT                                MPC
q   1.9214061            (2000.0)            P               Q
n   0.06969353     Peri.  282.86531     +0.92361137     -0.16626279
a   5.8480049      Node    87.50328     +0.30160004     +0.87133060
e   0.6714425      Incl.   20.22604     -0.23659977     +0.46167051
P  14.14
Residuals in seconds of arc
070812 E12  0.4+  0.1-    070916 474  0.0   0.1+    071004 423  0.3-  0.3+
070812 E12  0.8-  0.4-    070916 474  0.2+  0.3-    071008 474  0.5+  0.4+
070812 E12  0.4-  0.8-    070917 474  0.4+  0.0     071008 474  0.2+  0.2-
070812 E12  0.3+  0.6+    070917 474  0.1-  0.2+    071010 585 (1.4+  2.7-)
070914 E12  0.7-  0.3+    070917 E12  0.3+  0.1-    071010 585  0.4-  0.5+
070914 E12  1.4-  0.4-    070918 415  0.7-  0.7-    071010 585 (0.4-  4.6+)
070914 E12  0.6-  0.4-    070918 415  0.3-  0.2+    071013 423  0.2-  0.8+
070914 E12  0.1-  0.1+    070923 204  0.4-  0.1+    071013 423  0.4-  0.0
070914 E12  0.3+  0.0     071001 423  0.4-  0.5+    071013 415  1.0+  0.5-
070914 E12  0.3+  0.3-    071001 423  0.8-  0.0     071013 415  0.7+  0.8-
070915 E12  0.1-  0.2-    071002 423  0.6-  0.3-    071016 E12  0.1-  0.5-
070915 E12  0.7+  0.4-    071002 423  0.2-  0.5+    071018 423  0.5-  0.0
070915 E12  0.8+  0.1-    071004 673  0.4-  0.8-    071018 423  0.2-  0.2+
070916 I77  1.3+  1.4+    071004 673  0.4+  0.6-    071019 415  1.6+  1.0-
070916 I77  0.1-  1.1+    071004 673  0.7+  0.2-    071019 415  0.3+  0.6-
070916 I77  1.2+  0.4+    071004 673  0.7+  0.1+    071020 423  0.8-  0.1+
070916 474  0.2+  0.3+    071004 423  0.8-  0.3+    071020 423  0.9-  1.3+

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-U63

Read MPEC 2007-U62 Read MPEC 2007-U64


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