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IAU Minor Planet Center

Minor Planet Center

MPEC 2008-F15 : 2006 RG7

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M.P.E.C. 2008-F15                                Issued 2008 Mar. 21, 10:55 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

                                   2006 RG7

                           Revision to MPEC 2006-S05

Additional Observations:
     K06R07G 2C2008 02 27.55640914 20 00.061-05 35 10.34         22.9 R EF015568
     K06R07G 2C2008 02 27.56382314 20 00.053-05 35 06.18         22.9 R EF015568
     K06R07G 2C2008 03 13.59883714 16 55.451-02 49 55.81         22.6 R EF015568
     K06R07G 2C2008 03 13.60606314 16 55.254-02 49 50.33         22.5 R EF015568

Observer details:
568 Mauna Kea.  Observers F. Bernardi, M. Micheli.  Measurers F. Bernardi,
    D. J. Tholen.  2.24-m University of Hawaii reflector.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
080227 568 11.5-  0.9+    080313 568 13.0-  1.0+    MPO114781   +0.018 day

Orbital elements:
2006 RG7                                                 Earth MOID = 0.2279 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5                  MPC
M 216.19434              (2000.0)            P               Q
n   0.38090623     Peri.  191.96145     +0.97455656     -0.22403384
a   1.8847655      Node   181.06245     +0.22380276     +0.97431986
e   0.3502449      Incl.   22.02381     +0.01232202     +0.02257534
P   2.59           H   18.9           G   0.15           U   2
Residuals in seconds of arc
060915 704  1.7+  0.1+    060916 854  0.6+  0.2-    060921 246  0.4-  0.3+
060915 704  0.2+  0.6+    060916 854  0.5-  0.0     060921 246  0.1-  0.6+
060915 704  0.7+  0.2+    060917 113  0.0   0.0     060921 246  0.1-  0.8+
060915 704  0.8+  0.4-    060917 113  1.7+  0.5+    060925 448  0.3-  0.0
060915 704  0.1+  0.8+    060918 012  0.2-  0.1-    060925 448  1.4-  0.4+
060916 H55  1.8-  0.1-    060918 012  0.0   0.4+    060925 448  0.1-  0.0
060916 H55  1.6-  0.1-    060918 012  0.2-  0.1+    060928 E12  0.4-  0.1+
060916 H55  1.6-  0.1+    060918 012  0.1+  0.3+    060928 E12  0.0   0.2+
060916 734  0.1-  0.1-    060918 012  0.2-  0.4+    060928 E12  0.6-  0.6-
060916 734  0.1-  0.2-    060919 673  0.0   0.0     061011 448  0.1-  0.2+
060916 734  0.1-  0.6-    060919 448  0.1-  0.1-    061011 448  0.4-  0.1-
060916 734  0.1+  0.2-    060919 673  0.1-  0.1+    061011 448  0.3-  0.1+
060916 734  0.2-  0.2+    060919 448  0.0   0.1-    061011 448  0.5-  0.0
060916 850  0.5+  0.0     060919 673  0.0   0.1+    061011 448  0.2+  0.2-
060916 673  0.1+  0.5+    060919 448  0.1+  0.3-    061028 E12  0.4+  0.4+
060916 850  0.0   0.1+    060919 J68  0.6-  0.1+    061028 E12  0.5-  0.2-
060916 673  0.1-  0.1+    060919 J68  0.3+  0.5+    061028 E12  0.3+  0.1-
060916 673  0.0   0.5-    060919 J68  2.5+  0.6-    061028 E12  0.3+  0.5+
060916 850  0.2-  0.2-    060920 850  0.1+  0.2-    061108 E12  0.2+  0.2+
060916 673  0.1+  0.2+    060920 850  0.5+  0.1-    061108 E12  1.2-  1.6-
060916 704  0.6+  1.8-    060920 850  0.1+  0.3-    061108 E12  0.6+  0.3+
060916 704  0.8+  0.3+    060920 850  0.2-  0.1-    061108 E12  0.1+  0.3+
060916 704  0.7+  0.8-    060920 850  0.2+  0.3-    070117 291  0.9-  0.3+
060916 704  0.5-  0.3-    060920 850  0.5+  0.2-    070117 291  0.8+  0.9+
060916 704  0.6-  0.2-    060920 850  0.1+  0.1-    070117 291  0.4+  0.2+
060916 704  0.2+  0.3+    060920 850  0.2-  0.1-    080227 568  0.0   0.0
060916 704  0.1+  0.2+    060921 246  0.0   0.4+    080227 568  0.0   0.0
060916 704  0.1-  0.3+    060921 246  0.0   0.6+    080313 568  0.0   0.0
060916 854  0.9-  1.5+    060921 246  0.1-  0.5+    080313 568  0.0   0.1+

Ephemeris:
2006 RG7                 a,e,i = 1.88, 0.35, 22                  q = 1.2246
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 03 15    14 16.30   -02 32.2    1.685    2.535   140.8    14.4    22.9
2008 03 25    14 10.25   -00 16.5    1.606    2.529   151.6    10.8    22.6
2008 04 04    14 01.74   +02 09.1    1.553    2.521   161.2     7.3    22.4
2008 04 14    13 51.53   +04 33.5    1.529    2.511   165.0     5.9    22.3
2008 04 24    13 40.76   +06 44.2    1.534    2.500   159.3     8.2    22.4
2008 05 04    13 30.60   +08 31.0    1.566    2.487   149.3    11.9    22.6
2008 05 14    13 22.13   +09 47.7    1.623    2.473   138.6    15.7    22.8
2008 05 24    13 16.06   +10 33.2    1.698    2.457   128.2    18.9    23.0
2008 06 03    13 12.70   +10 49.7    1.788    2.439   118.3    21.5    23.1

Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-F15

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