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  • MPEC 2019-F91 : 2015 BD92

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    M.P.E.C. 2019-F91                                Issued 2019 Mar. 26, 20:46 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 BD92
    
                               Revision to MPEC 2015-B86
    
    Additional Observations:
         K15B92D  C2017 07 21.43185720 55 56.944-12 16 45.04         22.6 GVEF091F51
         K15B92D  C2017 07 21.48141820 55 52.819-12 16 31.54         22.7 GVEF091F51
         K15B92D  C2017 08 16.31600320 16 21.029-10 20 02.76         22.6 GVEF091F51
         K15B92D  C2017 08 16.32808320 16 19.884-10 19 59.45         22.8 GVEF091F51
         K15B92D  C2017 08 16.34021920 16 18.758-10 19 56.39         22.4 GVEF091F51
         K15B92D  C2017 08 26.29985920 02 13.821-09 37 47.55         22.2 GVEF091F51
         K15B92D  C2017 08 26.31389720 02 12.712-09 37 43.85         22.6 GVEF091F51
         K15B92D  C2017 08 26.32795020 02 11.602-09 37 40.03         22.4 GVEF091F51
    
    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
    170721 F51 13.3- 10.1-    170826 F51 11.3- 11.3-    MPO335327   +0.013 day
    
    Orbital elements:
    2015 BD92                                                Earth MOID = 0.2338 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 117.82281              (2000.0)            P               Q
    n   0.29272715     Peri.  134.38006     +0.20940600     -0.91387106
    a   2.2464360      Node   300.44405     +0.74253976     +0.38006760
    e   0.4957314      Incl.   23.79479     +0.63622624     -0.14278760
    P   3.37           H   19.3           G   0.15           U   2
    Residuals in seconds of arc
    150116 F51  0.0   0.1+    150121 807  0.3-  0.2-    150215 474  0.1+  0.0
    150116 F51  0.0   0.1+    150121 807  0.1-  0.5-    150215 474  0.1+  0.2-
    150116 F51  0.0   0.1+    150121 807  0.2-  0.3-    150215 474  0.2+  0.3-
    150116 F51  0.0   0.1+    150121 807  0.2-  0.0     150224 807  0.1-  0.2+
    150118 F51  0.1+  0.1-    150121 474  0.1-  0.1-    150224 807  0.3-  0.1-
    150118 F51  0.1+  0.1+    150121 474  0.1-  0.3+    150224 807  0.1+  0.4+
    150118 F51  0.0   0.0     150121 474  0.5-  0.6-    150310 807 (5.5-  6.2-)
    150118 F51  0.1+  0.0     150121 474  0.4+  0.1-    150310 807 (5.9-  6.6-)
    150118 F51  0.1+  0.0     150122 F51  0.0   0.0     150310 807 (6.5-  7.0-)
    150118 F51  0.0   0.0     150122 F51  0.0   0.0     150310 F51  0.1-  0.1+
    150118 F51  0.2+  0.0     150122 F51  0.0   0.0     150310 F51  0.2-  0.1-
    150119 807  0.3-  0.1-    150122 F51  0.0   0.1-    150310 F51  0.1+  0.2-
    150119 807  0.2-  0.2+    150123 807  0.2-  0.3+    150318 807  0.4-  0.2-
    150119 807  0.0   0.1+    150123 807  0.0   0.1-    150318 807  0.0   0.1+
    150120 807  0.0   0.3+    150123 807  0.2-  0.0     150318 807  0.1+  0.0
    150120 807  0.1+  0.0     150123 807  0.4-  0.1-    170721 F51  0.5-  0.2+
    150120 807  0.0   0.1+    150123 807  0.3-  0.2-    170721 F51  0.4+  0.1-
    150120 291  0.2+  0.1+    150128 807  0.0   0.6+    170816 F51  0.1+  0.0
    150120 291  0.1+  0.1-    150128 807  0.1-  0.3+    170816 F51  0.1-  0.2+
    150120 291  0.3+  0.0     150128 807  0.1-  0.1+    170816 F51  0.0   0.1+
    150120 F51  0.1-  0.1-    150204 448  0.4+  0.7+    170826 F51  0.2-  0.3-
    150120 F51  0.1-  0.1-    150204 448 (1.7-  0.6+)   170826 F51  0.0   0.1-
    150120 F51  0.1-  0.0     150209 448  0.3+  0.2-    170826 F51  0.1+  0.2+
    150120 F51  0.1-  0.0     150209 448  0.5+  0.3+
    150121 807  0.3-  0.1+    150209 448  1.4+  0.6+
    
    Ephemeris:
    2015 BD92                a,e,i = 2.25, 0.50, 24                  q = 1.1328
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 02 24    15 37 18.8 -45 30 59   2.6562  2.8592    91.5    20.2    24.7
    ...
    2019 03 11    15 41 09.2 -47 37 32   2.5141  2.9136   103.7    19.3    24.6
    ...
    2019 03 19    15 40 04.3 -48 37 46   2.4423  2.9412   110.4    18.5    24.5
    ...
    2019 03 25    15 37 42.3 -49 17 59   2.3919  2.9613   115.5    17.7    24.5
    2019 03 26    15 37 10.7 -49 24 10   2.3839  2.9646   116.4    17.5    24.5
    2019 03 27    15 36 36.7 -49 30 13   2.3759  2.9679   117.2    17.4    24.5
    ...
    2019 04 02    15 32 24.9 -50 02 41   2.3309  2.9873   122.3    16.4    24.4
    ...
    2019 04 10    15 24 45.9 -50 34 04   2.2790  3.0124   129.1    15.0    24.3
    ...
    2019 04 25    15 05 22.3 -50 45 36   2.2139  3.0570   140.4    12.1    24.2
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F91
    

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