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  • MPEC 2012-T15 : 2009 TK

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    M.P.E.C. 2012-T15                                Issued 2012 Oct. 6, 20:30 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                        2009 TK
    
                               Revision to MPEC 2009-T25
    
    Additional Observations:
         K09T00K  C2012 10 06.17719 23 41 58.92 +01 23 49.3          16.5 VrET015703
         K09T00K  C2012 10 06.18507 23 42 05.47 +01 20 11.4          16.3 VrET015703
         K09T00K  C2012 10 06.19240 23 42 11.59 +01 16 48.3          16.4 VrET015703
         K09T00K  C2012 10 06.19970 23 42 17.64 +01 13 26.5          16.4 VrET015703
         K09T00K  C2012 10 06.23356 23 42 45.64 +00 57 49.0          16.3 VrET015703
         K09T00K  C2012 10 06.23399 23 42 46.04 +00 57 36.5          16.4 VrET015703
         K09T00K  C2012 10 06.23444 23 42 46.40 +00 57 23.7          16.3 VrET015703
         K09T00K  C2012 10 06.23486 23 42 46.76 +00 57 12.6          16.3 VrET015703
         K09T00K  C2012 10 06.27632323 43 17.17 +00 37 43.5          16.4 VvET015H21
         K09T00K  C2012 10 06.27760623 43 18.25 +00 37 08.3          16.5 VvET015H21
         K09T00K  C2012 10 06.27890223 43 19.34 +00 36 32.2          16.4 VvET015H21
         K09T00K  C2012 10 06.28036923 43 20.56 +00 35 51.4          16.3 VvET015H21
         K09T00K  C2012 10 06.28052 23 43 24.42 +00 36 07.9          16.5 VrET015703
         K09T00K  C2012 10 06.28098 23 43 24.78 +00 35 55.2          16.2 VrET015703
         K09T00K  C2012 10 06.28143 23 43 25.17 +00 35 42.6          16.4 VrET015703
         K09T00K  C2012 10 06.28183623 43 21.79 +00 35 11.1          16.5 VvET015H21
         K09T00K  C2012 10 06.28190 23 43 25.53 +00 35 30.0          16.4 VrET015703
         K09T00K  C2012 10 06.28330423 43 23.02 +00 34 30.4          16.4 VvET015H21
         K09T00K %C2012 10 06.35396 23 44 24.68 +00 02 13.9          16.0 RoET015H06
         K09T00K %C2012 10 06.36086 23 44 30.51 -00 00 57.9          16.0 RoET015H06
         K09T00K %C2012 10 06.36906 23 44 37.45 -00 04 44.4          16.0 RoET015H06
         K09T00K KC2012 10 06.75040523 50 34.78 -03 00 41.8          16.4 VvET015B03
         K09T00K KC2012 10 06.75268923 50 36.71 -03 01 43.5          16.4 VvET015B03
         K09T00K KC2012 10 06.75496723 50 38.69 -03 02 46.5          16.9 VvET015B03
         K09T00K KC2012 10 06.75724823 50 40.64 -03 03 49.7          16.4 VvET015B03
         K09T00K KC2012 10 06.75952723 50 42.63 -03 04 52.3          16.9 VvET015B03
         K09T00K KC2012 10 06.81060523 51 27.73 -03 28 20.5                uET015J95
         K09T00K KC2012 10 06.81107 23 51 27.72 -03 28 12.9          16.2 RuET015A81
         K09T00K KC2012 10 06.81187423 51 28.84 -03 28 55.5                uET015J95
         K09T00K KC2012 10 06.81317123 51 29.94 -03 29 31.0          16.3 RuET015J95
         K09T00K KC2012 10 06.81326 23 51 29.55 -03 29 12.6          16.2 RuET015A81
         K09T00K KC2012 10 06.81826 23 51 33.75 -03 31 29.7          16.3 RuET015A81
         K09T00K KC2012 10 06.82058 23 51 35.72 -03 32 33.4          16.4 RuET015A81
    
    Observer details:
    703 Catalina Sky Survey.  Observer A. Boattini.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
    A81 Balzaretto Observatory, Rome.  Observer L. Franco.  0.20-m f/5.3 reflector
        + CCD.
    B03 Alter Satzberg, Vienna.  Observer M. Pietschnig.  0.35-m f/5.8
        Schmidt-Cassegrain + CCD.
    H06 RAS Observatory, Mayhill.  Observers E. Guido, G. Sostero, L. Donato,
        N. Howes.  0.25-m f/3.4 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Vorobjov, L. Buzzi, S. Foglia.  0.61-m f/4.0 astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    121006 703 7.96- 0.44-    121006 A81 7.95- 0.29-    MPO166370   +0.32 day
    
    Orbital elements:
    2009 TK                                                  Earth MOID = 0.0410 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 354.99103              (2000.0)            P               Q
    n   0.65832934     Peri.  181.08737     +0.97098739     -0.22657759
    a   1.3087014      Node   192.80958     +0.22191919     +0.97290644
    e   0.2047902      Incl.   20.17334     +0.08908067     +0.04599617
    P   1.50           H   22.2           G   0.15           U   1
    Residuals in seconds of arc
    091008 E12  0.0   0.2+    091011 H55  0.4+  0.4+    121006 703  0.2+  0.1-
    091008 E12  0.1-  0.1+    091011 H55  0.3+  0.3+    121006 703  0.1+  0.4-
    091008 E12  0.3+  0.5-    091011 H55  0.0   0.3+    121006 703  0.3+  0.1+
    091008 E12  0.4+  0.6-    091011 H55  0.2-  0.3+    121006 H21  0.0   0.1+
    091008 E12  0.4-  0.2+    091011 474  0.1-  0.6+    121006 H21  0.0   0.4+
    091008 E12  0.2+  0.3+    091011 474  0.1+  0.4+    121006 H21  0.0   0.2+
    091008 E12  0.3+  0.0     091011 474  0.1-  0.2+    121006 H21  0.2-  0.0
    091008 E12  0.2-  0.2+    091011 474  0.1+  0.4+    121006 703  0.2-  0.1-
    091008 J95  0.1-  0.1-    091011 474  0.0   0.4+    121006 703  0.5-  0.1-
    091008 J95  0.0   0.1-    091013 D21  0.1-  0.3+    121006 703  0.2-  0.2-
    091008 J95  0.1-  0.5-    091013 D21  0.6-  0.1+    121006 H21  0.2-  0.3+
    091009 704  1.5+  0.2+    091013 D21  0.2-  0.2+    121006 703  0.6-  0.2+
    091009 704  0.8+  0.5+    091013 D21  0.9-  0.3+    121006 H21  0.3-  0.3+
    091009 704  0.6+  1.0-    091013 D21  0.1+  0.6+    121006 H06  0.1-  0.6+
    091009 704  1.0+  0.4+    091014 D21  0.6+  0.4+    121006 H06  0.1+  0.3-
    091009 704  0.3-  0.3-    091014 D21  0.2+  0.4+    121006 H06  0.1+  0.1+
    091009 E12  0.1-  0.2-    091014 D21  0.7+  0.3+    121006 B03  0.4+  0.2-
    091009 E12  0.2-  0.1+    091019 E12  0.0   0.0     121006 B03  0.2-  0.9+
    091009 E12  0.1+  0.0     091019 E12  0.0   0.2-    121006 B03  0.1+  0.5+
    091009 E12  0.1-  0.2-    091022 E12  0.1+  0.1-    121006 B03  0.1-  0.0
    091010 474  0.2-  0.1-    091022 E12  0.4+  0.1-    121006 B03  0.4+  0.0
    091010 474  0.1-  0.2-    091109 E12  0.5+  0.1-    121006 J95  0.0   0.1+
    091010 474  0.6-  0.5-    091109 E12  1.2-  0.0     121006 A81  0.5+  0.5-
    091010 474  0.5-  0.2-    121006 703  0.3-  0.1-    121006 J95  0.2+  0.1-
    091010 587  0.7-  1.2-    121006 703  0.5-  0.2+    121006 J95  0.0   0.0
    091010 587  0.7-  0.8-    121006 703  0.1-  0.0     121006 A81  0.2+  0.1-
    091010 587  0.3-  0.9+    121006 703  0.2-  0.3+    121006 A81  0.0   0.0
    091010 587  0.7-  0.5-    121006 703  0.4-  0.5+    121006 A81  0.3+  0.0
    
    Ephemeris:
    2009 TK                  a,e,i = 1.31, 0.20, 20                  q = 1.0407
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 09 06    19 48 08.7 +61 02 13   0.1922  1.0677   103.0    66.9    21.1
    ...
    2012 09 21    20 46 21.7 +55 47 41   0.1060  1.0483   112.0    62.6    19.7
    ...
    2012 09 29    22 01 20.0 +42 08 59   0.06305 1.0428   129.3    48.0    18.1
    ...
    2012 10 05    23 24 16.2 +10 22 38   0.04356 1.0409   159.4    19.7    16.5
    2012 10 06    23 39 13.8 +02 47 38   0.04291 1.0408   162.8    16.5    16.3
    2012 10 07    23 54 09.4 -04 51 29   0.04323 1.0407   162.4    16.9    16.4
    ...
    2012 10 13    01 15 47.0 -38 09 40   0.06155 1.0415   134.1    43.5    17.9
    ...
    2012 10 21    02 28 55.2 -52 29 32   0.1046  1.0456   116.1    58.8    19.5
    ...
    2012 11 05    03 29 28.2 -57 02 35   0.1924  1.0625   106.6    63.4    21.0
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-T15
    

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