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  • MPEC 2013-C45 : 2008 AU26

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    M.P.E.C. 2013-C45                                Issued 2013 Feb. 11, 03:37 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.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2008 AU26
    
                               Revision to MPEC 2008-A58
    
    Additional Observations:
         K08A26U KC2013 02 07.59342 12 03 26.01 -04 55 45.2          21.5 RoEC045474
         K08A26U KC2013 02 07.59694 12 03 25.92 -04 55 46.5          21.3 RoEC045474
         K08A26U KC2013 02 07.60045 12 03 25.80 -04 55 47.6          21.6 RoEC045474
         K08A26U KC2013 02 07.60397 12 03 25.75 -04 55 48.5          20.5 RoEC045474
         K08A26U KC2013 02 08.61044 12 03 03.05 -05 00 17.9          20.9 RoEC045474
         K08A26U KC2013 02 08.61396 12 03 02.97 -05 00 18.9          20.8 RoEC045474
         K08A26U KC2013 02 08.61748 12 03 02.85 -05 00 19.5          20.6 RoEC045474
         K08A26U KC2013 02 08.62100 12 03 02.75 -05 00 20.7          20.7 RoEC045474
         K08A26U KC2013 02 08.62453 12 03 02.65 -05 00 21.1          20.7 RoEC045474
         K08A26U KC2013 02 08.62804 12 03 02.58 -05 00 22.5          20.5 RoEC045474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    130207 474 0.08+ 0.03-    130208 474 0.08+ 0.04-    MPO136012   -0.055 day
    
    Orbital elements:
    2008 AU26                                                Earth MOID = 0.2685 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 114.48813              (2000.0)            P               Q
    n   0.59833585     Peri.  128.48729     +0.37097723     -0.92776544
    a   1.3947810      Node   299.69155     +0.83690150     +0.35283816
    e   0.1023235      Incl.    2.66149     +0.40245716     +0.12147646
    P   1.65           H   20.9           G   0.15           U   4
    Residuals in seconds of arc
    071230 G96  0.4+  0.4-    080114 691  0.1-  0.1-    080210 704  0.3+  0.3+
    071230 G96  0.8+  0.6-    080118 448  0.3+  0.2-    080210 704  0.2+  0.3+
    071230 G96  0.7+  0.2-    080118 448  0.3-  0.7+    080210 704  0.2-  0.2+
    071230 G96  0.1+  0.7-    080118 448 (0.4+  2.6-)   080210 704  0.8+  0.6+
    080110 691  0.1+  0.1-    080127 H55  0.1-  0.3+    080212 691  0.1-  0.2-
    080110 691  0.3+  0.1-    080127 H55  0.2+  0.2+    080212 691  0.1+  0.0
    080110 691  0.1-  0.8+    080127 H55  0.0   0.2+    080212 691  0.2-  0.2+
    080111 291  0.8-  0.3+    080203 704  1.3+  0.5+    080221 H55  0.1-  0.2+
    080111 291  0.6-  0.5+    080203 704  0.7+  0.2+    080221 H55  0.0   0.4+
    080111 291  0.8-  0.3+    080203 704  0.6+  0.5-    080221 H55  0.3+  0.4-
    080111 G96  0.0   0.6-    080203 448  0.0   0.0     080301 H55  0.0   0.2+
    080111 G96  0.6+  0.3-    080203 448  0.1+  0.1-    080301 H55  0.3-  0.1-
    080111 G96  0.0   0.6-    080203 448  0.1-  0.1-    080301 H55  0.3-  0.3+
    080111 G96  0.1+  0.6-    080203 703 (0.4+  1.8-)   080310 G96  0.1+  0.3-
    080112 G96  0.4+  0.2-    080203 703  0.4+  1.1-    080310 G96  0.1+  0.5-
    080112 G96  0.6-  0.1-    080203 703 (1.9+  0.2-)   080310 G96  0.6+  0.2-
    080112 701  0.4+  0.2-    080207 G96  0.3+  0.4-    080310 G96  0.1+  0.2-
    080112 G96  0.2+  0.3-    080207 G96  0.4+  0.3-    130207 474  0.2-  0.0
    080112 G96  0.8+  0.4-    080207 G96  0.2+  0.3-    130207 474  0.1-  0.3-
    080112 701  1.4+  0.1-    080208 291  1.0-  0.3+    130207 474  0.6-  0.4-
    080112 701  0.3-  0.3-    080208 291  0.8-  0.2+    130207 474  0.0   0.3-
    080112 291  0.3-  0.2+    080208 291  0.8-  0.4+    130208 474  0.2-  0.1+
    080112 291  0.2-  0.2+    080208 G96  0.1-  0.3-    130208 474  0.2+  0.0
    080112 291  0.3-  0.3+    080208 G96  0.3+  0.3-    130208 474  0.1-  0.3+
    080112 701  0.4+  0.1+    080208 G96  0.1-  0.3-    130208 474  0.0   0.0
    080114 691  0.2-  0.1+    080208 G96  0.2+  0.2-    130208 474  0.1+  0.5+
    080114 691  0.2-  0.1-    080210 704  1.3+  0.0     130208 474  0.6+  0.0
    
    Ephemeris:
    2008 AU26                a,e,i = 1.39, 0.10, 3                   q = 1.2521
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 01 12    11 52 23.9 -00 59 16   0.5867  1.3283   113.1    42.9    22.0
    ...
    2013 01 27    12 03 18.5 -03 37 57   0.5189  1.3497   124.8    36.8    21.6
    ...
    2013 02 04    12 04 15.4 -04 36 45   0.4867  1.3615   132.2    32.4    21.4
    ...
    2013 02 10    12 02 25.4 -05 06 03   0.4655  1.3704   138.4    28.5    21.2
    2013 02 11    12 01 53.9 -05 09 35   0.4623  1.3719   139.5    27.8    21.1
    2013 02 12    12 01 18.7 -05 12 42   0.4591  1.3734   140.6    27.1    21.1
    ...
    2013 02 18    11 56 31.6 -05 22 47   0.4425  1.3824   147.6    22.5    20.9
    ...
    2013 02 26    11 47 07.5 -05 12 50   0.4273  1.3944   157.5    15.8    20.6
    ...
    2013 03 13    11 24 02.3 -03 50 58   0.4248  1.4165   172.8     5.0    20.2
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-C45
    

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