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  • MPEC 2016-R55 : 2013 BN73

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    M.P.E.C. 2016-R55                                Issued 2016 Sept. 6, 11:42 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 BN73
    
                               Revision to MPEC 2013-B99
    
    Additional Observations:
         K13B73N  C2016 09 05.23892 21 28 46.61 +12 22 28.3          20.2 VqER055G96
         K13B73N  C2016 09 05.24436 21 28 45.85 +12 22 37.4                qER055G96
         K13B73N  C2016 09 05.24977 21 28 45.00 +12 22 46.5          20.2 VqER055G96
         K13B73N  C2016 09 05.25520 21 28 44.13 +12 22 55.8          20.2 VqER055G96
         K13B73N HC2016 09 05.29965 21 28 37.32 +12 24 11.3          20.7 VoER055691
         K13B73N HC2016 09 05.32121 21 28 33.98 +12 24 47.8          20.8 VoER055691
         K13B73N  C2016 09 05.32928 21 28 32.73 +12 25 02.0          20.4 VqER055G96
         K13B73N  C2016 09 05.33118 21 28 32.46 +12 25 04.8          18.9 VqER055G96
         K13B73N  C2016 09 05.33304 21 28 32.12 +12 25 08.7          19.5 VqER055G96
         K13B73N KC2016 09 05.33727 21 28 31.50 +12 25 15.9                oER055291
         K13B73N KC2016 09 05.33884 21 28 31.28 +12 25 18.4          20.2 RoER055291
         K13B73N KC2016 09 05.34042 21 28 31.05 +12 25 21.1          20.5 RoER055291
         K13B73N  C2016 09 05.38408 21 28 24.40 +12 26 35.0          21.3 VqER055G96
         K13B73N  C2016 09 05.38534 21 28 24.14 +12 26 36.9          21.0 VqER055G96
         K13B73N  C2016 09 05.38660 21 28 23.93 +12 26 39.6          22.0 VqER055G96
         K13B73N  C2016 09 05.38789 21 28 23.78 +12 26 40.9          20.9 VqER055G96
         K13B73N  C2016 09 06.16022 21 26 30.08 +12 48 37.3          20.1 VqER055G96
         K13B73N  C2016 09 06.17226 21 26 28.21 +12 48 57.6          19.8 VqER055G96
         K13B73N  C2016 09 06.17829 21 26 27.33 +12 49 07.9          19.6 VqER055G96
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    G96 Mt. Lemmon Survey.  Observers R. G. Matheny, D. C. Fuls.  Measurers
        E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
        F. C. Shelly.  1.5-m reflector + 10K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    160905 G96 2.15- 2.97-    160906 G96 2.13- 3.01-    MPO253286   +2.4 day
    
    Orbital elements:
    2013 BN73                                                Earth MOID = 0.4494 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 330.13828              (2000.0)            P               Q
    n   0.23832336     Peri.   93.78244     +0.56540292     -0.77412716
    a   2.5764693      Node   317.31924     +0.48513936     +0.59125702
    e   0.5460855      Incl.   24.83120     +0.66705273     +0.22614660
    P   4.14           H   20.0           G   0.15           U   3
    Residuals in seconds of arc
    130121 G96  0.1-  0.2+    130131 G96  0.3-  0.4+    160905 G96  0.2-  0.0
    130121 G96  0.4-  0.1+    130131 G96  0.1+  0.5+    160905 691  0.3+  0.4-
    130121 G96  0.1-  0.0     130131 G96  0.1+  0.2-    160905 691  0.1-  0.6-
    130121 G96  0.2+  0.1+    130131 G96  0.3+  0.5+    160905 G96  0.1-  0.0
    130121 G96  0.2-  0.3-    130131 G96  0.1+  0.4+    160905 G96  0.2+  0.4-
    130121 G96  1.1-  0.2+    130131 G96  0.2-  0.2-    160905 G96  0.6-  0.3+
    130122 G96  0.5+  0.1+    130131 G96  0.7+  0.1+    160905 291  0.2-  0.2+
    130122 G96  0.0   0.3+    130209 568  0.0   0.0     160905 291  0.1+  0.0
    130122 G96  0.2+  0.2+    130209 568  0.0   0.0     160905 291  0.2+  0.1+
    130122 G96  0.1+  0.2+    130209 568  0.0   0.0     160905 G96  0.7+  0.1+
    130122 G96  0.0   0.1-    130213 J04  0.0   0.3+    160905 G96  0.3-  0.2-
    130122 G96  0.2+  0.2-    130213 J04  0.3+  0.1+    160905 G96  0.6-  0.4+
    130122 711  0.1-  0.1-    130213 J04  0.2-  0.1+    160905 G96  0.1+  0.5-
    130122 G96  0.1-  0.5-    160905 G96  0.7-  0.4+    160906 G96  0.1-  0.5+
    130122 711  0.1-  0.4-    160905 G96  0.5+  0.2+    160906 G96  0.4-  0.3+
    130122 G96  0.3-  0.0     160905 G96  0.3+  0.0     160906 G96  0.3+  0.3+
    
    Ephemeris:
    2013 BN73                a,e,i = 2.58, 0.55, 25                  q = 1.1695
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 08 07    22 28 21.1 -01 08 42   0.7617  1.7351   155.1    14.2    21.4
    ...
    2016 08 22    22 02 19.4 +05 29 10   0.6377  1.6313   162.7    10.6    20.8
    ...
    2016 08 30    21 44 05.5 +09 21 49   0.5953  1.5770   157.8    14.0    20.7
    ...
    2016 09 05    21 29 22.3 +12 15 43   0.5745  1.5369   151.2    18.4    20.7
    2016 09 06    21 26 53.6 +12 44 09   0.5719  1.5303   150.0    19.2    20.7
    2016 09 07    21 24 25.1 +13 12 21   0.5696  1.5238   148.8    20.0    20.7
    ...
    2016 09 13    21 09 51.1 +15 55 32   0.5600  1.4848   141.2    25.1    20.8
    ...
    2016 09 21    20 52 09.5 +19 12 55   0.5578  1.4346   131.3    31.7    20.9
    ...
    2016 10 06    20 28 33.4 +24 18 03   0.5741  1.3474   115.1    42.2    21.1
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-R55
    

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