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IAU Minor Planet Center

Minor Planet Center

MPEC 2008-D54 : COMET P/2007 R1 (LARSON)

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M.P.E.C. 2008-D54                                Issued 2008 Feb. 29, 03:35 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 R1 (LARSON)

Observations:
    PK07R010  C2007 12 09.83176 23 51 23.92 -02 15 32.0          19.7 N ED054J70
    PK07R010  C2007 12 09.83256 23 51 23.34 -02 15 34.9          19.8 N ED054J70
    PK07R010  C2007 12 09.83315 23 51 23.34 -02 15 35.7          19.6 N ED054J70
    PK07R010  C2008 01 19.08435 00 13 55.45 -00 18 42.2          19.8 T ED054G96
    PK07R010  C2008 01 19.08926 00 13 55.66 -00 18 41.9          19.1 T ED054G96
    PK07R010  C2008 01 19.09414 00 13 55.88 -00 18 40.9          20.6 T ED054G96
    PK07R010  C2008 01 19.09904 00 13 56.10 -00 18 38.5          19.7 T ED054G96
    PK07R010  C2008 02 02.78182 00 25 39.72 +00 47 57.3          18.8 N ED054204
    PK07R010  C2008 02 22.77201 00 43 38.18 +02 30 41.9          19.5 N ED054204

Observer details:
204 Schiaparelli Observatory.  Observers L. Buzzi, F. Luppi.  Measurer
    L. Buzzi.  0.60-m f/4.64 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer R. Boattini.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  1.5-m reflector + CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P. Navarro P.
    0.25-m Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2007 R1 (Larson)
Epoch 2007 Aug. 8.0 TT = JDT 2454320.5
T 2007 Aug. 23.76187 TT                                 MPC
q   4.3521383            (2000.0)            P               Q
n   0.06667791     Peri.  175.14275     +0.99842552     +0.05595196
a   6.0230257      Node   181.66544     -0.05496751     +0.96175612
e   0.2774166      Incl.    7.87723     -0.01118304     +0.26813157
P  14.78
Residuals in seconds of arc
070904 G96  0.4+  0.1-    070916 900  0.9+  1.3+    071012 G96  0.0   0.4+
070904 G96  0.4+  0.2-    070916 900 (2.5-  1.9+)   071013 104  1.4-  1.9+
070904 G96  0.2-  0.7-    070917 355  1.3+  1.4-    071013 104  1.7-  0.6+
070904 G96  0.5+  0.2-    070917 355 (0.4+  2.0-)   071013 104  0.5+  1.2+
070905 699  0.3-  1.0+    070917 355  0.0   1.8-    071013 157  0.3+  0.5-
070905 699 (0.5+  2.1+)   070917 585 (1.1+  2.5+)   071014 G96  0.7+  0.4-
070905 699  0.0   0.4-    070917 585 (2.6+  0.3-)   071014 G96  0.5+  0.3-
070905 699  2.0-  0.4-    070917 585 (2.6-  0.2-)   071014 G96  0.7+  0.2-
070908 734  0.1+  0.3+    070917 585 (2.7-  0.4+)   071014 G96  0.4+  0.1-
070908 734  0.7+  0.1+    070918 900 (2.3+  0.0 )   071014 J70  1.5-  1.5+
070908 H06  0.5+  0.1-    070918 900  0.4-  0.8-    071014 J70 (2.6-  0.3+)
070908 734  0.4+  0.4-    070919 704  0.3+  0.1-    071014 J70  1.5-  0.7+
070908 H06  0.6+  0.1-    070919 704  1.7+  0.7+    071014 246  0.2+  0.9+
070908 G96  0.5-  0.2+    070919 704  0.0   0.1+    071014 246  0.6+  1.3+
070908 G96  0.2-  0.0     070928 585 (2.9+  1.8+)   071014 246  0.7+  0.6+
070908 G96  0.3-  0.3+    070928 585  0.5+  1.0+    071014 246  0.8+  1.6+
070908 G96  0.2+  0.2+    070928 585  1.4+  1.6+    071014 246  1.0+  0.1+
070908 204  0.1+  0.1-    071001 213  0.2-  0.1+    071015 G96  0.4+  0.1+
070908 B33  0.8+  0.8+    071001 213  0.1+  0.0     071015 G96  0.3-  0.3+
070908 B33  0.9+  0.1-    071001 213  0.2+  0.1-    071015 G96  0.1-  0.0
070908 157 (2.4+  1.5-)   071004 673  0.5+  0.2+    071015 G96  0.7+  0.1-
070908 204  0.0   0.2+    071004 673  0.3+  0.1-    071015 703  0.3-  0.5+
070909 B40  0.0   1.7-    071004 673  0.3+  0.3-    071015 703  0.6-  0.8-
070909 B40  1.0-  1.9-    071004 673  0.4+  0.2-    071015 703  1.0-  0.6+
070909 473  1.0+  0.9+    071005 J46  0.4+  0.6+    071015 703  0.1-  0.2-
070909 B40 (6.2-  4.2-)   071006 704  0.4-  0.9+    071015 A82  0.4+  0.3-
070909 204  0.1+  0.0     071006 704  0.1-  0.8-    071015 A82  0.0   0.3-
070909 232 (2.2-  1.5-)   071006 704  0.6+  1.0+    071015 A82  0.5-  0.3-
070909 473  0.8+  0.1-    071006 704  0.2+  0.3+    071017 585  0.9+  1.5-
070909 232 (0.4+  2.7-)   071006 704 (2.9-  0.5-)   071017 585 (2.3+  0.1-)
070909 I77  0.7-  1.3-    071007 246  0.4-  0.3+    071017 585  0.3-  0.1-
070909 I77  0.1-  0.8-    071007 246  0.5-  0.2+    071017 585  0.8-  0.9-
070909 I77  0.5-  0.8+    071007 246  0.2-  0.3+    071019 473  0.9-  0.3-
070909 232  1.3+  0.4-    071007 246  0.3-  0.5+    071019 473  1.9-  0.1-
070909 673  0.2+  0.0     071007 246  0.0   1.0+    071019 473  1.3-  0.3+
070909 673  0.1-  0.0     071009 585  1.2-  0.9+    071022 204  0.1-  0.7-
070909 673  0.0   0.0     071009 585  1.0-  0.7-    071022 204  0.4+  0.5-
070909 673  0.4+  0.1-    071009 585 (0.5-  2.1-)   071031 G96  1.0+  0.1-
070909 734  0.4+  0.2+    071010 G96  0.1-  0.1-    071031 G96  0.5+  0.5+
070909 734  0.2+  0.2-    071010 G96  0.0   0.4-    071031 G96  1.1+  0.4-
070909 734  0.1+  0.4-    071010 G96  0.5-  0.3-    071031 G96  1.0+  0.1-
070909 213  0.9-  0.2-    071010 G96  0.2+  0.1-    071103 104  1.3-  0.1-
070909 213  0.6-  0.2+    071010 246  0.5+  0.7+    071103 104  0.5+  0.8+
070909 213  0.6-  0.2+    071010 246  0.6+  0.5+    071103 130  0.4+  0.9-
070910 415  0.0   0.6-    071010 246  0.2-  0.4-    071103 130  0.5-  0.1-
070910 415  0.4+  0.2-    071010 246  0.1+  0.3+    071103 213  0.3+  0.4-
070910 B42  1.8+  0.9+    071010 246  0.8+  0.0     071103 130  0.6+  0.3-
070912 215  0.0   0.5-    071010 246  0.0   0.3+    071103 213  0.4+  0.5-
070912 215  0.1-  0.1-    071010 246  0.5+  0.1-    071103 213  0.7+  0.5-
070912 215  0.1-  0.5+    071010 246  0.6-  0.1+    071105 215  0.6+  0.6-
070913 699  0.9+  1.2+    071010 246  0.1+  0.7-    071114 J70 (2.0+  3.5-)
070913 699  0.8-  0.1-    071011 704  0.7+  0.6-    071114 J70 (0.5+  4.3-)
070913 699  0.2+  0.9-    071011 704  0.9+  0.4-    071114 J70 (2.1+  1.5-)
070913 699  1.2-  0.1-    071011 704  1.5-  0.0     071114 J70  0.5+  1.3-
070914 J51  0.8+  0.4+    071011 G96  0.0   0.0     071204 J47  1.1+  1.0-
070914 J51  0.2-  0.1+    071011 G96  0.0   0.2+    071204 J47  1.0+  0.6-
070914 J51  0.1+  0.5+    071011 G96  0.5-  0.1-    071204 J47  1.2+  0.1+
070915 349 (1.1-  2.2-)   071011 G96  0.1+  0.2-    071209 J70 (7.4+  3.1+)
070915 349  0.9-  1.7-    071012 703  0.7-  0.5+    071209 J70  1.5-  0.1+
070915 D35  0.3-  0.0     071012 703  0.5-  0.7+    071209 J70  1.7-  0.7-
070915 D35  0.4-  0.1-    071012 703  1.9-  0.1-    080119 G96  0.7+  0.1+
070915 D35  0.1-  0.2-    071012 703  1.3-  1.0+    080119 G96  0.6+  0.9-
070915 B42  1.3-  0.2+    071012 291  0.0   0.1-    080119 G96  0.7+  1.1-
070915 157  0.6-  0.3-    071012 291  0.0   0.1+    080119 G96  0.7+  0.1+
070916 704  0.5-  0.2-    071012 291  0.2-  0.1+    080202 204  1.8-  1.4+
070916 704 (0.7-  2.2-)   071012 G96  0.4+  0.3-    080222 204  0.2-  0.4+
070916 704  0.8-  0.6+    071012 G96  0.1-  0.0
070916 704  1.2-  0.4-    071012 G96  0.0   0.0

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-D54

Read MPEC 2008-D53 Read MPEC 2008-D55


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