• MPC Preparation (Info)

  • MPEC 2020-B06 : 2015 BK509

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    M.P.E.C. 2020-B06                              Issued 2020 January 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
    
                                   2015 BK509                                
    
    
                               Revision to MPEC 2015-B122                           
    
    Additional Observations:
         K15Bo9K KC2020 01 17.03361510 30 45.964+20 26 40.42         21.8 GVEB006J04
         K15Bo9K KC2020 01 17.05488310 30 45.919+20 26 43.94         21.5 GVEB006J04
         K15Bo9K KC2020 01 17.07578410 30 45.834+20 26 47.00         21.4 GVEB006J04
         K15Bo9K KC2020 01 18.11144710 30 47.450+20 29 12.11         21.0 GVEB006J04
         K15Bo9K KC2020 01 18.12804310 30 47.276+20 29 14.94         20.9 GVEB006J04
         K15Bo9K KC2020 01 18.14460410 30 47.124+20 29 17.56         21.1 GVEB006J04
    
    Observer details:
    J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M. 
       Micheli, D. Koschny, L. Conversi, M. Busch, A. Knofel, E. Schwab.  1.0-m 
       f/4.4 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    200117 J04 0.21- 0.11-    200118 J04 0.21- 0.12-    MPO335351   -0.10 days
    
    Orbital elements:
    2015 BK509                                               Earth MOID = 0.0082 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M  25.04711              (2000.0)            P               Q
    n   0.79018975     Peri.  280.67140     -0.27798422     +0.95936160
    a   1.1587288      Node   333.03627     -0.83423999     -0.26613190
    e   0.4293121      Incl.    6.13747     -0.47620207     -0.09380370
    P   1.25           H   22.3           G   0.15           U   4
    Residuals in seconds of arc
    150120 G96  0.3+  0.3-    150123 G96  0.1-  0.2-    150210 J04 (1.9-  0.0 )
    150120 G96  0.4+  0.0     150124 H01  0.1+  0.0     150210 J04 (1.8-  0.0 )
    150120 G96  0.0   0.2-    150124 H01  0.0   0.1+    150212 F51  0.2+  0.1-
    150120 G96  0.0   0.1+    150124 H01  0.0   0.1+    150212 F51  0.4-  0.1+
    150120 G96  0.0   0.2+    150124 H01  0.1-  0.1+    150212 F51  0.1-  0.0
    150120 G96  0.2-  0.0     150124 G96  0.3+  0.3-    150212 F51  0.1+  0.1+
    150120 G96  0.2-  0.0     150124 G96  0.0   0.2-    150216 G45  0.1+  0.5-
    150120 G96  0.2-  0.5+    150124 G96  0.4+  0.2-    150216 G45  0.4-  0.2+
    150120 291  0.1-  0.5+    150124 G96  0.6+  0.2-    150216 G45  0.2+  0.2+
    150120 291  0.9-  0.9+    150125 G96  0.0   0.0     150216 G45  0.3+  0.0
    150120 291  0.3+  0.0     150125 G96  0.2-  0.1-    200117 J04  0.2-  0.0
    150122 G96  0.5+  0.0     150125 G96  0.0   0.1-    200117 J04  0.1+  0.1+
    150122 G96  0.1-  0.3+    150125 G96  0.2+  0.1-    200117 J04  0.0   0.2-
    150122 G96 (1.8+  0.8-)   150125 G96  0.5+  0.1+    200118 J04  0.0   0.2-
    150122 G96  0.4+  0.0     150125 G96  0.0   0.0     200118 J04  0.1-  0.0
    150123 G96  0.8-  0.8-    150125 G96  0.2-  0.3+    200118 J04  0.1+  0.1+
    150123 G96  0.1-  0.4-    150125 G96  0.0   0.3-
    150123 G96  0.5-  0.2+    150210 J04 (2.1-  0.2+)
    
    Ephemeris:
    2015 BK509               a,e,i = 1.16, 0.43, 6                   q = 0.6613
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 12 19    10 09 53.7 +20 48 44   0.6795  1.4421   119.1    36.6    23.7
    ...
    2020 01 03    10 24 33.9 +20 18 38   0.5072  1.3687   130.6    33.0    22.9
    ...
    2020 01 11    10 29 15.0 +20 18 05   0.4217  1.3251   137.5    30.1    22.3
    ...
    2020 01 17    10 30 44.7 +20 26 42   0.3609  1.2903   143.0    27.3    21.9
    2020 01 18    10 30 47.0 +20 29 00   0.3511  1.2844   144.0    26.8    21.8
    2020 01 19    10 30 45.1 +20 31 34   0.3413  1.2784   145.0    26.2    21.7
    ...
    2020 01 25    10 28 52.5 +20 52 57   0.2847  1.2413   151.1    22.5    21.1
    ...
    2020 02 02    10 20 13.2 +21 39 22   0.2144  1.1894   160.4    16.2    20.2
    ...
    2020 02 17    09 16 47.6 +24 04 57   0.1002  1.0849   164.6    14.0    18.3
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-B06
    


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