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  • MPEC 2017-M30 : 2014 BR8

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    M.P.E.C. 2017-M30                                Issued 2017 June 20, 15:48 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
    
                                       2014 BR8
    
                               Revision to MPEC 2014-B39
    
    Additional Observations:
         K14B08R |C2017 06 19.10771 19 29 58.29 -50 59 15.5          21.4 VuEM030807
         K14B08R |C2017 06 19.11846 19 29 56.35 -50 59 15.1          21.6 VuEM030807
         K14B08R |C2017 06 19.12920 19 29 54.42 -50 59 14.1          21.4 VuEM030807
         K14B08R |C2017 06 20.20716 19 26 44.80 -50 55 12.3          21.8 VuEM030807
         K14B08R |C2017 06 20.22035 19 26 42.27 -50 55 10.1          21.7 VuEM030807
         K14B08R |C2017 06 20.23325 19 26 39.87 -50 55 06.0          21.4 VuEM030807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    170619 807 31.8+ 16.2+    170620 807 32.4+ 15.7+    MPO292220   -0.0070 day
    
    Orbital elements:
    2014 BR8                                                 Earth MOID = 0.0536 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 286.44654              (2000.0)            P               Q
    n   0.73148931     Peri.  114.28630     +0.48052112     -0.84291756
    a   1.2199182      Node   304.79794     +0.65905044     +0.52917443
    e   0.2391470      Incl.   17.14348     +0.57857754     +0.09728523
    P   1.35           H   21.6           G   0.15           U   2
    Residuals in seconds of arc
    140119 F51  0.0   0.1+    140124 B75  0.2-  1.3-    140128 B67  0.1+  0.7-
    140119 F51  0.1-  0.2+    140125 204  0.2+  0.1+    140128 B67  0.2-  0.8-
    140119 F51  0.0   0.0     140125 204  0.1-  0.2-    140130 H45  0.2-  0.2+
    140123 J75  0.2-  0.3-    140125 204  0.0   0.0     140130 H45  0.1+  0.1-
    140123 J75  0.1-  0.1+    140125 204  0.0   0.2-    140130 H45  0.1+  0.2-
    140123 J75  0.5-  0.8-    140125 204  0.0   0.1-    140130 H45  0.0   0.1-
    140124 J75  0.2-  0.1+    140125 J95  0.1+  0.2+    140130 H45  0.2+  0.2-
    140124 J75  0.1+  0.3+    140125 J95  0.1+  0.1+    140130 H45  0.1-  0.4-
    140124 J75  0.1+  0.3+    140125 J95  0.1+  0.0     140130 H45  0.1+  0.4-
    140124 J75  0.4-  0.4+    140126 J53  0.2+  0.4+    140130 H45  0.4+  0.1+
    140124 J75  0.1+  0.1-    140126 J53  0.0   0.3+    140131 474  0.4-  0.2-
    140124 H21  0.0   0.2-    140126 J53  0.2+  0.3+    140131 474  0.3-  0.1-
    140124 H21  0.0   0.2-    140126 J53  0.2+  0.5+    140131 474  0.2-  0.3-
    140124 H21  0.0   0.3-    140126 J53  0.3+  0.3+    140131 474  0.2+  0.1+
    140124 H36  0.0   0.1-    140126 H45  0.3-  0.2-    140131 355  0.0   0.3+
    140124 H36  0.2+  0.6+    140126 H45  0.0   0.0     140131 355  0.5-  0.1+
    140124 H36  0.3-  0.4-    140126 H45  0.1+  0.2+    140131 355  0.0   0.2+
    140124 900  0.1-  0.0     140126 H45  0.1-  0.1+    140131 355  0.5+  0.4+
    140124 900  0.1+  0.1-    140126 H45  0.1+  0.1+    140131 355  0.0   0.3+
    140124 900  0.1+  0.2+    140126 H45  0.1-  0.1+    140202 474  0.0   0.0
    140124 900  0.2+  0.1-    140126 H45  0.0   0.0     140202 474  0.1+  0.1-
    140124 D90  0.1+  0.1-    140126 H45  0.2-  0.1-    140202 474  0.2+  0.1-
    140124 D90  0.1-  0.2-    140126 H45  0.1+  0.0     140203 474  0.1+  0.1+
    140124 D90  0.1-  0.2-    140126 H45  0.3+  0.2+    140203 474  0.1-  0.0
    140124 B49  0.3-  0.1-    140126 E23  0.0   0.0     140203 474  0.0   0.0
    140124 B49  0.4-  0.2-    140126 E23  0.4+  0.1-    140203 474  0.0   0.1-
    140124 B49  0.1-  0.2-    140126 E23  0.0   0.2+    140204 474  0.2-  0.1-
    140124 B49  0.2+  0.5-    140126 E23  0.0   0.2-    140204 474  0.3-  0.3+
    140124 B49  0.4+  0.2-    140126 E23  0.1+  0.1-    140204 474  0.2-  0.1-
    140124 B49  0.2+  0.6-    140126 E23  0.3-  0.0     140204 474  0.3+  0.2-
    140124 K32  0.3+  0.6+    140127 718 (0.1-  2.8-)   140206 474  0.2+  0.4+
    140124 K32  0.2+  0.2+    140127 718  0.4+  0.1+    140206 474  0.0   0.0
    140124 C77  0.1-  0.1-    140127 718  0.2+  0.0     140206 474  0.0   0.2-
    140124 C77  0.1-  0.1-    140127 474  0.0   0.1+    140206 474  0.1-  0.2-
    140124 C77  0.2-  0.0     140127 474  0.2-  0.0     140214 807  0.3-  0.0
    140124 C77  0.1+  0.1-    140127 474  0.1-  0.0     140214 807  0.6-  0.3+
    140124 C77  0.1-  0.3-    140127 474  0.2-  0.0     140214 807  0.8-  0.5+
    140124 K32 (0.8+  1.6+)   140127 474  0.3-  0.1-    140223 807  0.1+  0.0
    140124 B75  0.1-  0.2-    140127 300  0.5+  1.3+    140223 807  0.0   0.1-
    140124 B75  0.1-  0.5-    140127 300  0.5-  0.8+    140223 807  0.0   0.1-
    140124 B75  1.0+  0.8+    140127 300  0.5+  0.1-    140306 807  0.1-  0.1-
    140124 B75  0.2-  0.3-    140128 703  0.2+  0.1-    140306 807  0.1-  0.2+
    140124 B75  0.3+  0.1+    140128 703  0.1-  0.1+    140306 807  0.2+  0.5+
    140124 B75  0.3-  0.3-    140128 703  0.3+  0.2+    140307 807  0.0   0.1-
    140124 B75  0.1-  0.2-    140128 703  1.0-  1.2+    140307 807  0.2-  0.5-
    140124 B75  0.2+  0.1-    140128 G96  0.0   0.1-    140325 807  0.1-  0.2-
    140124 B75  0.3+  0.2+    140128 G96  0.1+  0.0     140325 807  0.1+  0.1-
    140124 B75  0.1+  0.2+    140128 G96  0.2+  0.1-    140325 807  0.1+  0.1-
    140124 B75  0.2-  0.5-    140128 G96  0.1-  0.1-    170619 807  0.2+  0.8+
    140124 B75  0.1-  0.4+    140128 G96  0.1-  0.0     170619 807  0.1-  0.2-
    140124 B75  0.1+  0.1+    140128 474  0.1-  0.0     170619 807  0.3-  0.7-
    140124 B75  0.2+  0.1+    140128 474  0.1+  0.1+    170620 807  0.1+  0.4+
    140124 B75  0.3-  0.3-    140128 474  0.1+  0.1-    170620 807  0.2-  0.4-
    140124 B75  0.0   0.1+    140128 474  0.0   0.2+    170620 807  0.2+  0.6+
    140124 B75  0.8-  0.5-    140128 474  0.1+  0.1-
    140124 B75  0.1+  0.2+    140128 B67  0.0   0.6-
    
    Ephemeris:
    2014 BR8                 a,e,i = 1.22, 0.24, 17                  q = 0.9282
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 05 21    20 04 28.7 -49 29 23   0.6759  1.4875   122.3    35.1    23.1
    ...
    2017 06 05    19 58 24.4 -50 43 40   0.5650  1.4659   134.3    29.7    22.5
    ...
    2017 06 13    19 45 13.4 -51 05 18   0.5134  1.4516   141.2    26.0    22.1
    ...
    2017 06 19    19 30 15.4 -50 59 36   0.4794  1.4397   146.3    23.1    21.9
    2017 06 20    19 27 21.3 -50 55 59   0.4742  1.4376   147.1    22.6    21.8
    2017 06 21    19 24 20.6 -50 51 27   0.4691  1.4355   147.9    22.1    21.8
    ...
    2017 06 27    19 04 19.0 -50 02 05   0.4419  1.4222   152.1    19.5    21.6
    ...
    2017 07 05    18 34 40.8 -47 46 05   0.4148  1.4029   154.7    18.1    21.4
    ...
    2017 07 20    17 45 26.2 -39 58 03   0.3955  1.3621   146.0    24.7    21.4
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-M30
    

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