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  • MPEC 2019-U16 : 2018 BN3

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    M.P.E.C. 2019-U16                              Issued 2019 October 18, 00:54 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
    
                                    2018 BN3                                 
    
    
                               Revision to MPEC 2018-B104                           
    
    Additional Observations:
         K18B03N  C2013 12 11.56918307 04 05.533+21 09 54.29         22.7 GVEU016F51
         K18B03N  C2013 12 11.58430707 04 04.356+21 10 03.02         23.0 GVEU016F51
         K18B03N  C2013 12 11.59944507 04 03.218+21 10 11.43         22.6 GVEU016F51
         K18B03N  C2013 12 26.37158106 41 00.693+23 47 26.12         21.6 GVEU016F51
         K18B03N  C2013 12 26.38696906 40 58.943+23 47 36.66         21.9 GVEU016F51
         K18B03N  C2013 12 26.40239606 40 57.201+23 47 47.04         21.7 GVEU016F51
         K18B03N  C2013 12 26.41784806 40 55.439+23 47 57.64         21.8 GVEU016F51
         K18B03N  C2016 01 02.53110807 49 53.327+26 58 21.44         22.1 GVEU016F51
         K18B03N  C2016 01 02.55641007 49 50.849+26 58 45.40         21.2 GVEU016F51
         K18B03N  C2016 01 02.56891407 49 49.646+26 58 57.60         21.4 GVEU016F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, E. 
       Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. 
       Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    131211 F51 36.7+  4.5+    160102 F51 23.6+  1.1+    MPO457148   +0.00 days
    
    Orbital elements:
    2018 BN3                                                 Earth MOID = 0.0986 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
    M 149.69388              (2000.0)            P               Q
    n   0.50971176     Peri.  147.81440     -0.43743941     +0.87166759
    a   1.5520997      Node    95.39887     -0.86491513     -0.34057304
    e   0.2995535      Incl.   12.82582     -0.24610685     -0.35242818
    P   1.93           H   20.4           G   0.15           U   2
    Residuals in seconds of arc
    131211 F51  0.1-  0.0     180122 I52  0.0   0.4-    180322 V06  0.1+  0.1+
    131211 F51  0.1-  0.0     180122 I52  0.3+  0.2+    180322 V06  0.2+  0.1-
    131211 F51  0.4+  0.3-    180122 I52  0.2+  0.1+    180322 V06  0.2+  0.5+
    131226 F51  0.0   0.1-    180123 I52  0.1-  0.1-    180322 V06  0.3+  0.0
    131226 F51  0.2-  0.0     180123 I52  0.3-  0.3+    180326 H21  0.0   0.1-
    131226 F51  0.1-  0.0     180123 I52  0.3+  0.2+    180326 H21  0.2+  0.1-
    131226 F51  0.2-  0.2+    180125 I52  0.1-  0.2-    180326 H21  0.2+  0.1+
    160102 F51  0.2+  0.2+    180125 I52  0.2-  0.7-    180405 H21  0.8+  0.2-
    160102 F51  0.0   0.0     180125 I52  0.4+  0.0     180405 H21  0.2-  0.1+
    160102 F51  0.2+  0.3+    180125 I52  0.1+  0.4+    180405 H21  0.3-  0.1-
    180112 G96  0.5-  0.3-    180127 G96  0.1-  0.2+    180411 H21  0.3-  0.5+
    180112 G96  1.0-  0.3+    180127 G96  0.6+  0.3+    180411 H21  0.0   0.4+
    180112 G96  0.4+  0.2-    180127 G96  0.4+  0.1+    180411 H21  0.1-  0.1-
    180112 G96  0.6+  0.7-    180127 G96  0.3-  0.2+    180418 H21  0.2+  0.4-
    180120 G96  0.4+  0.6+    180204 I52  0.4-  0.3-    180418 H21  0.1-  0.3-
    180120 G96  0.1+  0.0     180204 I52  1.0-  0.7-    180418 H21  0.1-  0.7-
    180120 G96  0.6+  0.3-    180204 I52  1.3-  0.4-    180511 H21  0.2-  0.8+
    180120 I52  0.1+  0.0     180204 I52  0.4-  0.1+    180511 H21  0.4+  0.7+
    180120 I52  0.1-  0.0     180208 I52  1.2-  0.2-    180511 H21  0.8+  0.3+
    180120 I52  0.1+  0.2-    180208 I52  0.8-  0.5-    180806 807  0.8-  0.5-
    180120 I52  0.1+  0.1-    180209 I52  0.5-  0.3-    180806 807  0.0   0.1-
    180121 L01  0.8+  0.9+    180209 I52  0.3+  0.3-    180806 807  0.1+  0.1-
    180121 L01  0.5+  0.1+    180209 I52  0.3+  0.0
    180122 I52  0.0   0.3-    180209 I52  0.0   0.4-
    
    Ephemeris:
    2018 BN3                 a,e,i = 1.55, 0.30, 13                  q = 1.0872
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 09 18    07 46 27.0 +19 47 14   2.2435  1.9395    59.6    26.5    24.8
    ...
    2019 10 03    08 16 14.3 +19 14 21   2.0577  1.9096    67.3    28.9    24.6
    ...
    2019 10 11    08 31 48.6 +18 54 20   1.9538  1.8917    71.5    30.0    24.5
    ...
    2019 10 17    08 43 20.0 +18 39 00   1.8742  1.8775    74.8    30.8    24.5
    2019 10 18    08 45 14.4 +18 36 27   1.8608  1.8750    75.3    30.9    24.4
    2019 10 19    08 47 08.6 +18 33 56   1.8474  1.8725    75.9    31.1    24.4
    ...
    2019 10 25    08 58 28.3 +18 19 09   1.7663  1.8572    79.2    31.7    24.3
    ...
    2019 11 02    09 13 18.4 +18 01 21   1.6569  1.8357    83.7    32.5    24.2
    ...
    2019 11 17    09 40 11.1 +17 39 46   1.4508  1.7919    92.6    33.5    23.9
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-U16
    


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