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  • MPEC 2013-M15 : 2012 TQ78

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    M.P.E.C. 2013-M15                                Issued 2013 June 17, 23:18 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
    
                                       2012 TQ78
    
                               Revision to MPEC 2012-T50
    
    Additional Observations:
         K12T78Q |C2013 05 16.41966 23 10 08.99 -19 27 46.5          19.9 VuEM015807
         K12T78Q |C2013 05 16.42212 23 10 09.05 -19 27 51.7          19.9 VuEM015807
         K12T78Q |C2013 05 16.42458 23 10 09.10 -19 27 56.9          19.8 VuEM015807
         K12T78Q |C2013 05 16.42704 23 10 09.16 -19 28 02.2          19.8 VuEM015807
         K12T78Q |C2013 05 19.42214 23 11 46.64 -21 11 50.7          20.1 VuEM015807
         K12T78Q |C2013 05 19.42461 23 11 46.72 -21 11 55.8          20.0 VuEM015807
         K12T78Q |C2013 05 19.42708 23 11 46.78 -21 12 00.6          20.0 VuEM015807
         K12T78Q |C2013 05 19.42954 23 11 46.82 -21 12 05.5          20.2 VuEM015807
         K12T78Q |C2013 06 06.42751 23 19 40.03 -30 40 44.5          20.2 VuEM015807
         K12T78Q |C2013 06 06.42997 23 19 40.04 -30 40 49.1          19.8 VuEM015807
         K12T78Q |C2013 06 06.43242 23 19 40.04 -30 40 54.2          19.7 VuEM015807
         K12T78Q |C2013 06 06.43486 23 19 40.05 -30 40 58.4          19.7 VuEM015807
         K12T78Q |C2013 06 06.43731 23 19 40.03 -30 41 02.9          20.1 VuEM015807
         K12T78Q |C2013 06 08.43779 23 19 53.14 -31 43 24.9          20.0 VuEM015807
         K12T78Q |C2013 06 08.44021 23 19 53.12 -31 43 29.6          20.3 VuEM015807
         K12T78Q |C2013 06 08.44264 23 19 53.11 -31 43 34.1          20.3 VuEM015807
         K12T78Q |C2013 06 08.44483 23 19 53.10 -31 43 38.1          20.2 VuEM015807
         K12T78Q |C2013 06 13.42838 23 19 25.57 -34 20 56.2          19.6 VuEM015807
         K12T78Q |C2013 06 13.43086 23 19 25.50 -34 21 01.2          19.7 VuEM015807
         K12T78Q |C2013 06 13.43338 23 19 25.44 -34 21 05.9          19.8 VuEM015807
         K12T78Q |C2013 06 13.43590 23 19 25.37 -34 21 10.7          19.5 VuEM015807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    130516 807  0.8-  0.3+    130613 807  2.6-  2.3-    MPO252118   -0.00002 day
    
    Orbital elements:
    2012 TQ78                                                Earth MOID = 0.0815 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M  20.61070              (2000.0)            P               Q
    n   0.74862148     Peri.  118.95287     -0.97395449     -0.16501642
    a   1.2012347      Node    51.98454     +0.06608719     -0.86263975
    e   0.3835029      Incl.   11.38391     +0.21689891     -0.47814459
    P   1.32           H   19.5           G   0.15           U   3
    Residuals in seconds of arc
    121006 F51  0.2+  0.2-    121022 926  0.0   0.1+    121205 H21  0.0   0.5+
    121006 F51  0.3+  0.2-    121022 926  1.3-  0.0     121205 H21  0.8-  1.0+
    121006 F51  0.2+  0.1-    121023 926  0.4+  0.2-    121214 H21  0.1-  0.0
    121006 F51  0.2+  0.2-    121023 926  0.1+  0.6-    121214 H21  0.1-  0.2-
    121008 H01  0.2-  0.1+    121023 926  0.1-  0.6+    121214 H21  0.2-  0.2-
    121008 H01  0.2-  0.1+    121024 F51  0.0   0.0     121214 H21  0.2+  0.2+
    121008 H01  0.4-  0.6+    121024 F51  0.1+  0.1+    121219 H21  0.3+  0.1+
    121008 H01  0.3-  0.1+    121024 F51  0.5+  0.0     121219 H21  0.0   0.0
    121008 H21  0.3+  0.1-    121024 F51  0.2+  0.2-    121219 H21  0.2-  0.0
    121008 H21  0.1+  0.3-    121025 H21  0.5-  0.0     130120 G96  0.4-  0.0
    121008 H21  0.0   0.0     121025 H21  0.4-  0.3+    130120 G96  1.8-  0.4-
    121008 H21  0.2-  0.1+    121025 H21  0.2-  0.0     130120 G96  0.0   0.1+
    121008 E10  0.1+  0.0     121101 H21  0.1+  0.4-    130120 G96  0.8-  0.9-
    121008 E10  0.1+  0.0     121101 H21  0.1-  0.1-    130516 807  0.2+  0.4+
    121008 E10  0.0   0.1-    121102 H21  0.2-  0.2-    130516 807  0.2+  0.5+
    121008 E10  0.0   0.1+    121102 H21  0.0   0.1-    130516 807  0.2+  0.6+
    121008 E10  0.0   0.0     121102 H21  0.0   0.1+    130516 807  0.2+  0.6+
    121009 854  1.0-  0.6+    121102 448  0.6-  0.5-    130519 807  0.2+  0.5-
    121009 854  0.1+  0.8+    121102 448 (0.2+  2.4-)   130519 807  0.5+  0.5-
    121009 854  0.4-  0.3+    121102 448 (1.9+  0.9-)   130519 807  0.5+  0.2-
    121009 F51  0.2+  0.1+    121104 703  0.2+  0.5-    130519 807  0.2+  0.1-
    121009 F51  0.1+  0.0     121104 703  1.0-  0.6-    130606 807  0.8-  0.0
    121011 H01  0.4-  0.1+    121104 703  0.5-  0.5-    130606 807  0.6-  0.0
    121011 H01  0.4-  0.2+    121104 703  0.4+  0.4+    130606 807  0.6-  0.5-
    121011 H01  0.3-  0.3+    121107 204  0.0   0.1+    130606 807  0.5-  0.1-
    121011 H01  0.3-  0.4+    121107 204  0.1-  0.0     130606 807  0.7-  0.0
    121020 H36  0.4+  0.7+    121107 204  0.2-  0.2+    130608 807  0.1+  0.2+
    121020 H36  0.4+  0.3+    121108 291  0.4-  0.2+    130608 807  0.0   0.0
    121020 H36  0.3+  0.1-    121108 291  0.3-  0.2+    130608 807  0.1+  0.1+
    121020 H36  0.1+  0.2+    121110 I42  1.0-  0.5-    130608 807  0.2+  0.2+
    121020 H36  0.1-  0.1-    121110 I42  0.6-  0.5-    130613 807  0.2+  0.2+
    121020 807  0.3+  0.0     121122 H21  0.5+  0.1-    130613 807  0.1+  0.1-
    121020 807  0.1+  0.1+    121122 H21  0.1+  0.3-    130613 807  0.2+  0.1+
    121020 807  0.1+  0.1+    121122 H21  0.2-  0.0     130613 807  0.1+  0.1+
    121020 807  0.2+  0.2+    121205 H21  0.7+  0.1+
    
    Ephemeris:
    2012 TQ78                a,e,i = 1.20, 0.38, 11                  q = 0.7406
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 05 18    23 10 58.8 -20 23 15   0.3248  0.9890    76.8    84.6    20.0
    ...
    2013 06 02    23 18 30.9 -28 23 42   0.3498  1.0865    92.4    68.8    19.8
    ...
    2013 06 10    23 19 54.1 -32 32 22   0.3582  1.1375   100.7    61.3    19.7
    ...
    2013 06 16    23 18 32.4 -35 43 12   0.3634  1.1748   107.0    55.8    19.7
    2013 06 17    23 18 03.8 -36 15 24   0.3642  1.1810   108.1    54.9    19.7
    2013 06 18    23 17 30.4 -36 47 42   0.3650  1.1871   109.2    53.9    19.7
    ...
    2013 06 24    23 12 21.8 -40 02 41   0.3703  1.2231   115.6    48.5    19.6
    ...
    2013 07 02    22 59 52.3 -44 19 13   0.3792  1.2692   124.2    41.5    19.5
    ...
    2013 07 17    22 16 15.9 -50 55 21   0.4095  1.3496   138.2    30.1    19.5
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-M15
    

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