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  • MPEC 2018-K98 : 2015 TK178

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    M.P.E.C. 2018-K98                                Issued 2018 May 28, 11:15 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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
    
                                      2015 TK178
    
                              Revision to MPEC 2015-T112
    
    Additional Observations:
         K15TH8K  C2018 05 10.27211610 25 51.054+24 41 31.81         23.88GVEK098T12
         K15TH8K  C2018 05 10.28379010 25 51.159+24 41 27.13         23.81GVEK098T12
         K15TH8K KC2018 05 15.36429410 27 07.236+24 05 49.54         24.15GVEK098T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Hung.  Measurer
        D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180510 T12  8.6-  8.4+    180515 T12  8.1-  8.1+    MPO361282   -0.018 day
    
    Orbital elements:
    2015 TK178                                          PHA, Earth MOID = 0.0354 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 291.31083              (2000.0)            P               Q
    n   0.27956082     Peri.  212.02629     +0.46163290     +0.86502898
    a   2.3164264      Node    86.13778     -0.76666076     +0.50050065
    e   0.5655030      Incl.   11.35964     -0.44623575     +0.03498516
    P   3.53           H   19.3           G   0.15           U   2
    Residuals in seconds of arc
    151008 F51  0.1+  0.0     151016 H21  0.3+  0.3+    151106 291  0.0   0.1+
    151008 F51  0.1+  0.1-    151016 H21  0.2+  0.1+    151106 291  0.1-  0.4+
    151008 F51  0.1-  0.2-    151016 H21  0.3+  0.2+    151110 H21  0.1+  0.0
    151008 F51  0.2+  0.2+    151017 H21  0.3+  0.2-    151110 H21  0.4+  0.4-
    151009 F51  0.4-  0.1-    151017 H21  0.5+  0.3-    151110 H21  0.1+  0.0
    151009 F51  0.2-  0.2-    151017 H21  0.4+  0.4-    151111 H21  0.4+  0.0
    151009 568  0.0   0.0     151018 H21  0.0   0.2+    151111 H21  0.5+  0.1+
    151009 568  0.0   0.0     151018 H21  0.0   0.1+    151111 H21  0.1+  0.1-
    151009 568  0.0   0.0     151018 H21  0.1+  0.0     151113 H21  1.3-  0.4+
    151010 H21  1.4-  0.0     151019 H21  0.2+  0.1+    151113 H21  1.4-  0.2+
    151010 H21  1.0-  0.1+    151019 H21  0.1-  0.3+    151113 H21  1.1-  0.2+
    151010 H21  1.0-  0.3+    151019 H21  0.2-  0.1+    151116 H21  0.2-  0.6-
    151013 291  0.1-  0.1+    151020 H21  0.3-  0.0     151116 H21  0.3-  0.5-
    151013 291  0.0   0.2+    151020 H21  0.5-  0.4-    151116 H21  0.1-  0.1+
    151013 291  0.1-  0.4+    151020 H21  0.6-  0.4-    151120 H21  0.2-  0.4+
    151014 291  1.1+  0.9+    151022 H21  0.1+  0.2-    151120 H21  0.1-  0.1+
    151014 291  0.4+  0.2-    151022 H21  0.2+  0.2-    151120 H21  0.3-  0.5+
    151015 H21  0.1-  0.1-    151022 H21  0.1+  0.3-    151202 F51  0.0   0.1+
    151015 H21  0.2-  0.0     151102 H21  0.1+  0.3+    151202 F51  0.2+  0.2-
    151015 H21  0.0   0.3+    151102 H21  0.1-  0.6+    151202 F51  0.1+  0.2-
    151015 H21  0.2+  0.3+    151102 H21  0.0   0.4+    151203 F51  0.2+  0.1+
    151015 568  0.0   0.0     151103 568  0.1+  0.1-    151203 F51  0.3-  0.1+
    151015 568  0.0   0.1-    151104 H21  0.1-  0.3-    151203 F51  0.1-  0.1+
    151016 291  0.8-  0.1-    151104 H21  0.2+  0.1+    180510 T12  0.1-  0.0
    151016 291  0.7+  0.0     151104 H21  0.2+  0.4-    180510 T12  0.0   0.0
    151016 291  0.1+  0.2+    151106 291  0.4+  0.1+    180515 T12  0.0   0.0
    
    Ephemeris:
    2015 TK178               a,e,i = 2.32, 0.57, 11                  q = 1.0065
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 04 28    10 26 07.0 +25 50 08   1.7886  2.3398   110.5    23.8    23.5
    ...
    2018 05 13    10 26 26.2 +24 22 53   1.8805  2.2429    97.2    26.5    23.6
    ...
    2018 05 21    10 29 24.9 +23 22 01   1.9298  2.1897    90.7    27.5    23.7
    ...
    2018 05 27    10 32 48.0 +22 30 50   1.9654  2.1490    86.1    28.1    23.7
    2018 05 28    10 33 27.2 +22 21 53   1.9712  2.1421    85.4    28.1    23.7
    2018 05 29    10 34 08.0 +22 12 48   1.9769  2.1353    84.6    28.2    23.7
    ...
    2018 06 04    10 38 42.1 +21 15 53   2.0100  2.0938    80.3    28.5    23.7
    ...
    2018 06 12    10 46 02.7 +19 53 43   2.0504  2.0375    74.9    28.8    23.7
    ...
    2018 06 27    11 03 14.6 +17 01 01   2.1113  1.9292    65.7    28.7    23.6
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-K98
    

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