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  • MPEC 2019-D23 : 2015 KL157

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    M.P.E.C. 2019-D23                                Issued 2019 Feb. 23, 21:30 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 KL157
    
                               Revision to MPEC 2015-L10
    
    Additional Observations:
         K15KF7L  C2019 01 11.55020809 34 25.372-20 56 04.99         23.81GVED023T12
         K15KF7L  C2019 01 11.56161009 34 24.766-20 56 12.04         23.68GVED023T12
         K15KF7L  C2019 01 12.52863209 33 34.359-21 06 01.07         23.43GVED023T12
         K15KF7L  C2019 01 12.54021409 33 33.723-21 06 08.05         23.72GVED023T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer 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
    190111 T12  2.9+  1.8-    190112 T12  2.9+  1.9-    MPO369260   -0.0045 day
    
    Orbital elements:
    2015 KL157                                          PHA, Earth MOID = 0.0076 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 314.38415              (2000.0)            P               Q
    n   0.22971601     Peri.    5.07799     +0.23128058     +0.78552196
    a   2.6404334      Node   279.25594     -0.91183179     -0.03069441
    e   0.6182730      Incl.   35.56049     -0.33922275     +0.61807209
    P   4.29           H   19.1           G   0.15           U   0
    Residuals in seconds of arc
    150521 C51 (0.1+  3.5-)   150726 807  0.7-  0.0     151010 C51  0.3-  0.2-
    150521 C51  1.3+  0.1+    150802 204  0.1-  0.3+    151010 C51  0.3-  0.4-
    150521 C51  0.6-  0.5+    150802 204  0.3-  0.2+    151010 C51  0.0   0.2-
    150521 C51  0.6-  0.2-    150802 204  0.3-  0.0     151010 C51  0.0   0.5-
    150521 C51  0.3-  0.1+    150816 H21  0.1+  0.1+    151011 C51  0.1-  0.5-
    150521 C51  0.2-  0.2+    150816 H21  0.2-  0.3-    151011 C51  0.5-  0.4-
    150521 C51  0.2-  0.2+    150816 H21  0.1-  0.3-    151011 C51  0.2-  0.1+
    150522 C51  0.4-  0.6+    150819 291  0.4+  0.0     151011 C51  0.0   0.0
    150522 C51  0.2-  0.4+    150819 291  0.1+  0.2-    151011 C51  0.1-  0.3+
    150522 C51  0.2-  0.1-    150819 291  0.3+  0.1+    151011 C51  0.1+  0.0
    150522 C51  0.7-  1.1-    150826 H21  0.1+  0.1-    151011 C51  0.2+  0.1+
    150522 C51  0.1-  1.7-    150826 H21  0.4-  0.2-    151011 C51  0.3-  0.1-
    150522 C51  0.3+  0.2+    150826 H21  1.0-  0.1-    151011 C51  0.3+  0.1+
    150524 I11  0.1-  0.3-    150903 291  0.0   0.3+    151011 C51  0.1+  0.1+
    150524 I11  0.1-  0.2-    150903 291  0.1-  0.3+    151011 C51  0.4-  0.4-
    150524 I11  0.0   0.3-    150903 291  0.0   0.3+    151011 C51  0.4+  0.1+
    150524 I11  0.0   0.3-    150907 H21  0.5+  0.3+    151011 C51  0.1+  0.3-
    150530 I11  0.2+  0.3+    150907 H21  0.0   0.3+    151012 C51  0.3-  0.1-
    150530 I11  0.3+  0.2+    150907 H21  0.0   0.1+    151012 C51  0.0   0.3-
    150530 I11  0.1+  0.1+    150910 H21  0.1-  0.2+    151012 C51  0.2+  0.6-
    150530 I11  0.3+  0.1+    150910 H21  0.0   0.3+    151012 C51  0.3-  0.1-
    150616 474  0.1-  0.2+    150910 H21  0.1+  0.2+    151012 C51  0.3+  0.2-
    150616 474  0.6-  0.3+    150910 H21  0.0   0.1-    151012 C51  0.1+  0.1+
    150616 474  0.0   0.6+    150910 H21  0.3+  0.4-    151012 C51  0.6+  0.1+
    150616 474  0.6+  0.4+    150914 H21  0.4+  0.1+    151012 C51  0.3+  0.1-
    150616 W85  0.0   0.1+    150914 H21  0.2-  0.2+    151012 C51  0.4-  0.2+
    150616 W85  0.1-  0.1+    150914 H21  0.1-  0.1-    151012 C51  0.0   0.1+
    150616 W85  0.1-  0.1+    150917 H21  0.1+  0.2+    151012 C51  0.1+  0.2-
    150617 807  0.2+  0.3+    150917 H21  0.3+  0.5+    151012 C51  1.1+  0.4+
    150617 807  0.3+  0.1+    150917 H21  0.2-  0.1-    151012 C51  0.3+  0.2+
    150617 807  0.2+  0.2+    150930 291  0.3+  0.3+    151012 C51  0.0   0.1+
    150617 807  0.3+  0.3+    150930 291  0.1+  0.4+    151012 C51  0.2-  0.2-
    150620 807  0.2-  0.4-    150930 291  0.3+  0.3+    151013 C51  0.1-  0.1+
    150620 807  0.2-  0.0     151007 C51  0.1-  0.2-    151013 C51  0.5+  0.2-
    150620 807  0.1-  0.1-    151007 C51  0.2-  0.1+    151013 C51  0.1+  0.2+
    150701 807  0.5-  0.1+    151008 C51  0.1+  0.2+    151013 C51  0.2-  0.1-
    150701 807  0.0   0.0     151008 C51  0.1-  0.2-    151014 C51  0.7+  0.5+
    150701 807  0.0   0.4-    151008 C51  0.0   0.1+    151014 C51  1.0-  0.3-
    150703 807  0.3+  0.2+    151009 C51  0.1-  0.3-    151014 C51  0.2+  0.2+
    150703 807  0.5+  0.6+    151009 C51  0.3+  0.5+    151014 C51  0.0   0.4-
    150703 807  0.1-  0.1+    151009 C51  0.3+  0.3-    151014 C51  0.3+  0.3-
    150703 807  0.3-  0.0     151009 C51  0.1-  0.3-    151014 C51  0.5-  0.0
    150703 807  0.5-  0.2-    151009 C51  0.3-  0.4-    151014 C51  0.2-  0.0
    150713 J04  0.2+  0.2+    151009 C51  0.1-  0.1-    151015 C51  0.2-  0.6-
    150713 J04  0.5+  0.1+    151009 C51  0.1-  0.5-    151015 C51  0.2+  0.2-
    150716 807  0.2-  0.6+    151009 C51  0.0   0.2+    151016 291  0.3+  0.1+
    150716 807  0.3-  0.5+    151009 C51  0.3-  0.1-    151016 291  0.1+  0.3+
    150716 807  0.3-  0.1+    151010 C51  0.2-  0.1-    151123 695  0.4+  0.3+
    150723 807  0.3-  0.4-    151010 C51  0.2-  0.5-    151123 695  0.2+  0.2+
    150723 807  0.2+  0.1+    151010 C51  0.1+  0.4-    151123 695  0.2+  0.4+
    150723 807  0.0   0.2+    151010 C51  0.2-  0.0     190111 T12  0.0   0.0
    150726 807  0.1-  1.1-    151010 C51  0.1-  0.4-    190111 T12  0.0   0.0
    150726 807  0.1+  0.1-    151010 C51  0.1-  0.1-    190112 T12  0.0   0.0
    150726 807  0.2-  0.5-    151010 C51  0.1-  0.3-    190112 T12  0.0   0.0
    150726 807  0.4-  0.2-    151010 C51  0.0   0.1-
    
    Ephemeris:
    2015 KL157               a,e,i = 2.64, 0.62, 36                  q = 1.0079
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 01 24    09 21 47.6 -22 47 50   2.1881  2.9708   135.4    13.4    23.9
    ...
    2019 02 08    09 02 22.6 -24 07 58   2.0552  2.8836   140.3    12.6    23.7
    ...
    2019 02 16    08 51 08.8 -24 20 42   2.0085  2.8357   139.8    13.0    23.6
    ...
    2019 02 22    08 42 49.4 -24 16 08   1.9842  2.7991   138.1    13.7    23.6
    2019 02 23    08 41 28.0 -24 14 15   1.9810  2.7929   137.7    13.8    23.6
    2019 02 24    08 40 07.2 -24 12 02   1.9781  2.7868   137.2    13.9    23.6
    ...
    2019 03 02    08 32 21.7 -23 52 29   1.9655  2.7494   134.2    15.0    23.6
    ...
    2019 03 10    08 23 09.8 -23 11 35   1.9612  2.6987   129.0    16.6    23.6
    ...
    2019 03 25    08 10 45.9 -21 24 09   1.9839  2.6009   117.6    19.9    23.7
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-D23
    

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