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IAU Minor Planet Center

Minor Planet Center

MPEC 2008-U16 : COMET C/2008 P1 (GARRADD)

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M.P.E.C. 2008-U16                                Issued 2008 Oct. 20, 18:10 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/2008 P1 (GARRADD)

Observations:
    CK08P010  C2008 09 07.61286 23 58 25.67 -47 10 57.8          16.3 T EU016E12
    CK08P010  C2008 10 07.52615 23 21 20.14 -44 37 48.5          16.3 T EU016423
    CK08P010  C2008 10 07.54044 23 21 19.17 -44 37 41.3          16.3 T EU016423
    CK08P010  C2008 10 08.51999 23 20 15.31 -44 29 16.2          16.5 T EU016423
    CK08P010  C2008 10 08.52601 23 20 14.92 -44 29 12.6          16.5 T EU016423
    CK08P010  C2008 10 08.55277 23 20 13.14 -44 28 59.3          16.2 N EU016E16
    CK08P010  C2008 10 08.55762 23 20 12.84 -44 28 56.9          16.3 N EU016E16
    CK08P010  C2008 10 08.57081 23 20 11.97 -44 28 49.4          16.3 N EU016E16
    CK08P010  C2008 10 08.57560 23 20 11.65 -44 28 47.3          16.3 N EU016E16
    CK08P010  C2008 10 10.90896 23 17 43.70 -44 07 57.2          16.0 N EU016J24
    CK08P010  C2008 10 10.92543 23 17 42.64 -44 07 47.1          16.1 N EU016J24
    CK08P010  C2008 10 10.93591 23 17 42.08 -44 07 40.6          15.8 N EU016J24
    CK08P010  C2008 10 18.55091 23 10 22.43 -42 52 32.1                 EU016900
    CK08P010  C2008 10 18.55804 23 10 22.09 -42 52 26.3          15.5 N EU016900

Observer details:
423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
    + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt
    + CCD.
E16 Grove Creek Observatory, Trunkey.  Observers P. Camilleri, G. Sostero,
    E. Guido.  0.35-m f/7 reflector + CCD.
J24 Observatorio Altamira.  Observer J. F. Hernandez.  Measurer 0.4-m f/10
    Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2008 P1 (Garradd)
Epoch 2009 July 28.0 TT = JDT 2455040.5
T 2009 July 22.91801 TT                                 MPC
q   3.8961628            (2000.0)            P               Q
z  -0.0004708      Peri.   11.86001     +0.98146017     -0.18815226
 +/-0.0000469      Node   357.67656     -0.02839331     +0.04577674
e   1.0018342      Incl.   64.30892     +0.18955144     +0.98107248
Residuals in seconds of arc
080813 E12  1.1-  0.2-    080825 423  0.4-  0.7+    080924 423  0.0   0.3+
080813 E12  0.5-  0.6-    080825 423  0.2-  0.5+    080924 415  0.1+  0.2-
080813 E12  0.8-  0.0     080827 E12  0.5-  0.0     080924 415  0.0   0.2-
080813 E12  0.5-  0.2+    080827 E12  0.7-  0.5-    080925 467  0.0   0.2-
080813 E12  0.9-  0.6-    080827 E12  0.9-  0.5-    080925 467  0.2+  0.4-
080813 E12  1.2-  0.4-    080827 E12  0.6-  0.1+    080925 467  0.1+  0.4-
080813 E12  0.4-  0.3-    080828 423  0.2+  0.1-    080925 423  0.1+  0.2-
080813 E12  1.3-  0.8-    080828 423  0.3-  0.1+    080925 423  0.1-  0.2-
080813 E12  0.8-  0.0     080829 423  0.1+  0.3+    080926 E16  0.5+  0.2-
080814 I77  0.1-  0.1+    080829 423  0.2-  0.3+    080926 E16  0.4+  0.2-
080814 I77  0.1-  0.1+    080831 423  0.1-  0.2+    080926 423  0.0   0.1-
080814 I77  0.1+  0.1-    080831 423  0.2-  0.2+    080926 423  0.1-  0.0
080814 E94 (1.0-  5.1+)   080901 423  0.1-  0.3+    080927 423  0.1+  0.5-
080814 E94 (1.8-  3.6+)   080901 423  0.1-  0.3+    080927 423  0.0   0.5-
080814 E94  1.7+  1.7+    080902 423  0.1-  0.1+    081001 423  0.1+  0.1-
080814 E94  0.2+  0.7-    080902 423  0.0   0.2+    081001 423  0.2+  0.2-
080814 E94 (5.7-  0.0 )   080907 E12  0.2+  0.3-    081002 423  0.1+  0.3-
080814 F85  0.8+  0.1-    080909 423  0.2-  0.2+    081002 423  0.6+  0.5-
080814 F85  0.1+  0.6+    080909 423  0.1-  0.1+    081004 D90  0.3+  1.3+
080815 808  1.6+  0.2-    080910 423  0.4-  0.6+    081004 D90  0.2+  0.2-
080815 808  0.3+  0.3+    080910 423  0.1+  0.6+    081004 D90  0.1+  0.1+
080815 I77  0.1-  0.0     080916 I32  0.5-  0.1+    081004 D90  0.0   0.2+
080815 808  1.0+  0.7-    080917 E16  0.1+  0.3-    081007 I32  0.1+  0.3-
080815 I77  0.2-  0.0     080917 415  0.2+  0.5-    081007 423  0.3+  0.1+
080815 I77  0.0   0.1-    080917 415  0.2+  0.2-    081007 423  0.1+  0.0
080815 808  0.8+  0.1+    080919 423  0.1-  0.1-    081008 423  0.1+  0.2-
080815 808  1.4+  0.3-    080919 423  0.4+  0.7-    081008 423  0.1+  0.2+
080815 808  0.8+  0.4-    080920 423  0.1+  0.1+    081008 E16  0.1-  0.5-
080815 808  0.2+  1.4+    080920 423  0.1-  0.2+    081008 E16  0.1+  0.6-
080815 808  0.1+  0.9+    080921 423  0.2+  0.4+    081008 E16  0.0   0.0
080815 808 (2.3+  1.4+)   080921 423  0.0   0.3+    081008 E16  0.0   0.4-
080815 808  1.4+  0.1+    080921 415  0.0   0.0     081010 J24  1.2-  0.4-
080818 E12  0.5+  0.0     080921 415  0.0   0.4-    081010 J24  1.4-  0.7+
080818 E12  0.5+  0.0     080923 423  0.3-  0.4+    081010 J24  0.3-  1.4+
080823 423  0.1+  0.0     080923 423  0.2-  0.4+    081018 900  0.1+  0.3-
080823 423  0.2-  1.0-    080924 423  0.1+  0.3+    081018 900  0.6+  0.9+

     The "original" and "future" barycentric values of 1/a are +0.000132
and +0.000222 (+/- 0.000047) AU^-1, respectively.

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-U16

Read MPEC 2008-U15 Read MPEC 2008-U17


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