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  • MPEC 2017-V30 : 2010 EK44

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    M.P.E.C. 2017-V30                                Issued 2017 Nov. 10, 15:38 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
    
                                       2010 EK44
    
                               Revision to MPEC 2010-E82
    
    Additional Observations:
         K10E44K  C2010 10 22.55655604 36 26.389+06 47 32.19         22.0 GUEV030T12
         K10E44K  C2010 10 22.55958704 36 26.093+06 47 30.38         22.0 GUEV030T12
         K10E44K  C2010 10 22.56262204 36 25.787+06 47 28.41         22.0 GUEV030T12
         K10E44K  C2010 11 01.52234004 19 17.151+05 10 04.40         21.9 GUEV030T12
         K10E44K  C2010 11 01.52469004 19 16.882+05 10 03.08         21.9 GUEV030T12
         K10E44K  C2010 11 01.52702404 19 16.629+05 10 01.87         21.7 GUEV030T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers M. Micheli,
        G. T. Elliott.  Measurer D. J. Tholen.  2.24-m University of Hawaii
        reflector.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    101022 T12 21.9+ 14.2-    101101 T12 24.3+ 13.7-    MPO190719   +2.5 day
    
    Orbital elements:
    2010 EK44                                           PHA, Earth MOID = 0.0230 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 182.31436              (2000.0)            P               Q
    n   0.20655417     Peri.  107.58797     +0.31456079     +0.94923379
    a   2.8343060      Node   180.76102     -0.92801517     +0.30695286
    e   0.7726083      Incl.   11.25276     -0.19959800     +0.06881244
    P   4.77           H   19.8           G   0.15           U   4
    Residuals in seconds of arc
    100313 G96  0.0   0.2+    100321 291  0.2-  0.1+    100406 587  0.6+  0.8-
    100313 G96  0.2-  0.2+    100321 291  0.7+  0.6+    100406 587  0.7+  0.9-
    100313 G96  0.6-  0.1+    100321 291  0.1-  0.4-    100406 587  0.3-  0.6-
    100313 H01  0.1+  0.0     100321 G96  0.3+  0.5-    100409 H21  0.1+  0.2+
    100313 H01  0.1+  0.0     100321 G96  0.1-  0.2-    100409 H21  0.1+  0.1+
    100313 H01  0.2+  0.0     100321 G96  0.0   0.0     100409 H21  0.0   0.1+
    100313 H01  0.1+  0.2-    100321 G96  0.2+  0.2-    100409 J87  0.1+  0.4-
    100314 H01  0.1+  0.6-    100322 926  1.0+  0.3-    100409 J87  0.1-  0.4-
    100314 H01  0.2+  0.3-    100322 926  0.6+  0.7-    100409 J87  0.3-  0.2-
    100314 H01  0.5+  0.3-    100322 926  0.3-  0.4-    100411 H21  0.3-  0.0
    100314 H01  0.3+  0.5-    100323 H21  0.0   0.1-    100411 H21  0.4-  0.3-
    100314 926  0.7+  0.1-    100323 H21  0.2+  0.1+    100411 H21  0.0   0.2+
    100314 926  0.4-  0.3+    100323 H21  0.9+  0.3+    100411 H21  0.1+  0.2+
    100314 926  0.2-  0.9+    100401 H21  0.2-  1.5+    100413 157  0.3-  0.1+
    100314 473  0.1-  0.2+    100401 H21  0.3-  0.5+    100413 157  0.6-  0.4-
    100314 473  0.0   0.3+    100401 H21  0.1+  0.4-    100414 291  0.1-  0.2+
    100315 926  0.9+  0.1+    100402 B23  0.6-  1.2+    100414 291  0.3-  0.2+
    100315 926  0.2+  0.0     100405 448  0.3+  0.0     100421 H21  0.8+  1.1-
    100315 926  0.0   0.4+    100405 448  0.4+  0.1-    100421 H21  0.9-  1.3-
    100315 474  0.7+  0.5-    100405 448  0.5+  0.0     100429 H21  0.4+  0.2+
    100315 474  0.4+  0.0     100405 204  0.0   0.1-    100429 H21  0.2+  0.5+
    100315 474  0.2+  0.2-    100405 204  0.1+  0.2-    100429 H21  0.1+  1.1+
    100315 474  0.0   0.1+    100405 204  0.0   0.1-    100429 H21  0.1+  0.7+
    100317 926  0.1+  0.8+    100406 H21  0.9-  0.2+    101022 T12  0.2-  0.3-
    100317 926  0.4+  0.2-    100406 H21  0.0   0.8-    101022 T12  0.0   0.2-
    100317 926  0.3+  0.1+    100406 H21  0.1+  0.2+    101022 T12  0.1-  0.2-
    100318 291  0.0   0.0     100406 291  0.0   0.1-    101101 T12  0.1+  0.2-
    100318 291  0.0   0.1-    100406 291  0.1-  0.1-    101101 T12  0.0   0.2-
    100319 291  0.1-  0.4+    100406 291  0.2-  0.1-    101101 T12  0.0   0.2-
    100319 291  0.0   0.2+    100406 587  0.5+  0.8-
    100319 291  0.0   0.3+    100406 587  0.1-  0.0
    
    Ephemeris:
    2010 EK44                a,e,i = 2.83, 0.77, 11                  q = 0.6445
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 11    08 07 51.6 +09 40 27   5.1637  5.0136    75.8    11.1    27.6
    ...
    2017 10 26    08 11 15.2 +09 00 36   4.9146  5.0060    89.5    11.5    27.5
    ...
    2017 11 03    08 11 54.8 +08 41 43   4.7800  5.0011    97.1    11.4    27.4
    ...
    2017 11 09    08 11 50.2 +08 29 04   4.6801  4.9971   103.0    11.1    27.3
    2017 11 10    08 11 46.5 +08 27 06   4.6637  4.9964   104.0    11.1    27.3
    2017 11 11    08 11 41.9 +08 25 10   4.6472  4.9957   105.0    11.0    27.3
    ...
    2017 11 17    08 10 55.9 +08 14 36   4.5503  4.9912   111.0    10.7    27.3
    ...
    2017 11 25    08 09 04.7 +08 03 25   4.4270  4.9847   119.3     9.9    27.2
    ...
    2017 12 10    08 03 04.1 +07 52 51   4.2229  4.9709   135.3     8.0    27.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-V30
    

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