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  • MPEC 2020-K44 : 2013 EO20

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    M.P.E.C. 2020-K44                                  Issued 2020 May 18, 15:00 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
    
                                    2013 EO20                                
    
    
                               Revision to MPEC 2013-E34                            
    
    Additional Observations:
         K13E20O KC2016 09 28.48908400 49 33.096-12 16 33.03         24.43GVEK044T12
         K13E20O KC2016 09 29.51529100 48 00.278-12 47 37.05         24.47GVEK044T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers Y. Ramanjooloo, Z. 
       Claytor, D. Fohring.  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
    160928 T12 37.3-  8.4-    160929 T12 37.2-  8.3-    MPO268497   -0.01 days
    
    Orbital elements:
    2013 EO20                                                Earth MOID = 0.1160 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 316.40098              (2000.0)            P               Q
    n   0.68104672     Peri.   62.01449     -0.67381132     +0.73631721
    a   1.2794347      Node   165.10571     -0.73378271     -0.65697518
    e   0.1895154      Incl.   13.90470     -0.08684029     -0.16192769
    P   1.45           H   24.6           G   0.15           U   0
    Residuals in seconds of arc
    130307 G96  0.2+  0.2+    130308 G96  0.3-  0.2+    130403 H21  1.0+  0.2+
    130307 G96  0.2+  0.2-    130308 G96  1.0-  0.6+    130403 H21 (1.8+  0.6-)
    130307 G96  0.1+  0.2-    130308 G96  0.2-  0.0     130710 568  0.0   0.1-
    130307 G96  0.8+  0.1+    130308 G96  0.2+  0.6-    130710 568  0.0   0.0
    130307 G96  0.2-  0.5+    130308 G96  0.5-  0.6-    130710 568  0.1-  0.2+
    130307 G96  0.8-  0.5-    130308 G96  0.1-  0.0     130811 568  0.1+  0.1+
    130307 G96  0.1-  0.1-    130308 H21  0.1+  0.2-    130811 568  0.1+  0.0
    130307 G96  0.1-  0.0     130308 H21  0.2-  0.2-    130811 568  0.0   0.1-
    130308 G96  0.4+  0.4+    130308 H21  0.2+  0.1-    130811 568  0.1-  0.0
    130308 G96  0.3-  0.4+    130314 H36  0.7+  0.8+    160928 T12  0.0   0.0
    130308 G96  0.0   0.2+    130314 H36  0.3+  0.7-    160929 T12  0.0   0.0
    130308 G96  0.1-  0.4+    130403 H21  0.4+  0.5+
    
    Ephemeris:
    2013 EO20                a,e,i = 1.28, 0.19, 14                  q = 1.0370
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 04 18    05 54 03.2 +16 42 57   1.3887  1.2528    60.6    44.3    27.5
    ...
    2020 05 03    06 39 53.7 +18 44 45   1.4173  1.2088    56.8    44.3    27.5
    ...
    2020 05 11    07 05 43.0 +19 27 52   1.4272  1.1856    55.1    44.3    27.4
    ...
    2020 05 17    07 25 39.2 +19 49 20   1.4325  1.1686    53.8    44.3    27.4
    2020 05 18    07 29 01.2 +19 51 58   1.4332  1.1658    53.7    44.3    27.4
    2020 05 19    07 32 24.0 +19 54 20   1.4338  1.1630    53.5    44.4    27.4
    ...
    2020 05 25    07 52 55.6 +20 02 37   1.4366  1.1466    52.4    44.4    27.4
    ...
    2020 06 02    08 20 53.5 +19 57 38   1.4376  1.1257    51.2    44.6    27.4
    ...
    2020 06 17    09 14 44.8 +18 57 24   1.4320  1.0906    49.4    45.0    27.3
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-K44
    


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