[Iaude] MPEC B81: 2015 BY512 [a=0.88,e=0.67,i=23.3,H=21.4]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2019-B81                                Issued 2019 Jan. 26, 00:12 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                  2015 BY512
 
                          Revision to MPEC 2015-B164
 
Additional Observations:
     K15Bp2Y KC2019 01 22.88735304 51 38.52 +76 32 14.9          19.7 GVEB081J95
     K15Bp2Y KC2019 01 22.90073604 51 49.51 +76 29 21.9          19.4 GVEB081J95
     K15Bp2Y KC2019 01 22.91277504 51 58.98 +76 26 45.6          20.0 GVEB081J95
     K15Bp2Y KC2019 01 22.95119704 52 29.67 +76 18 27.4          19.9 GVEB081J95
     K15Bp2Y SC2019 01 23.74992805 01 42.81 +73 29 51.9          19.5 GVEB081J95
     K15Bp2Y KC2019 01 23.76423205 01 50.34 +73 26 54.5          19.7 GVEB081J95
 
Observer details:
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
    Schmidt-Cassegrain + CCD.
 
Orbital elements:
2015 BY512                                               Earth MOID = 0.1693 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 187.61786              (2000.0)            P               Q
n   1.19756150     Peri.   13.85577     +0.86527227     +0.42438737
a   0.8782217      Node   317.60061     -0.48933875     +0.59944097
e   0.6656855      Incl.   23.31089     -0.10886453     +0.67865005
P   0.82           H   21.4           G   0.15           U   4
Residuals in seconds of arc
150121 F51  0.1+  0.0     150209 705  0.4-  0.0     150219 F51  0.2+  0.3+
150121 F51  0.0   0.1-    150209 705  0.2+  0.3-    150220 F51  0.2+  0.5-
150121 F51  0.1+  0.0     150209 705  0.4-  0.1-    150220 F51  0.4+  0.2-
150124 291  0.2+  0.1+    150209 G96  0.2+  0.3+    150222 F51  0.1-  0.1-
150124 291  0.0   0.2+    150209 G96  0.1-  0.2-    150222 F51  0.2+  0.1-
150124 291  0.0   0.2+    150209 G96  0.6-  0.3+    190122 J95  0.5-  0.1-
150125 H01  0.2-  0.2-    150209 291  0.2-  0.1-    190122 J95  0.2+  0.2+
150125 H01  0.3-  0.1-    150209 291  0.3-  0.1+    190122 J95  0.4-  0.1-
150125 H01  0.3-  0.0     150218 G96  0.1-  0.9+    190122 J95  0.3+  0.1+
150125 H01  0.3-  0.0     150218 G96  0.3-  0.4-    190123 J95  0.2+  0.7+
150128 568  0.1-  0.0     150218 G96  0.3-  0.0     190123 J95  0.2+  0.8-
150128 568  0.2-  0.0     150218 G96  0.4+  0.1-
150128 568  0.2-  0.0     150219 F51  0.1-  0.2+

Ephemeris:
2015 BY512               a,e,i = 0.88, 0.67, 23                  q = 0.2936
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 27    17 44 54.3 +17 51 36   0.3138  0.7798    42.2   122.2    23.4
...
2019 01 11    17 55 12.1 +54 00 37   0.1860  0.9637    78.5    90.6    20.9
...
2019 01 19    21 00 22.5 +86 08 56   0.1731  1.0469   106.8    64.1    20.0
...
2019 01 25    05 10 47.3 +69 20 12   0.2010  1.1033   121.7    49.4    20.0
2019 01 26    05 15 45.6 +66 13 36   0.2082  1.1122   123.2    47.8    20.0
2019 01 27    05 19 32.9 +63 18 56   0.2161  1.1210   124.4    46.4    20.1
...
2019 02 02    05 32 25.5 +49 37 31   0.2729  1.1709   127.2    42.1    20.6
...
2019 02 10    05 42 32.4 +38 31 50   0.3654  1.2304   124.4    41.5    21.3
...
2019 02 25    05 59 26.5 +28 03 49   0.5622  1.3220   114.0    43.2    22.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B81