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  • MPEC 2016-A16 : 2015 CU

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    M.P.E.C. 2016-A16                                Issued 2016 Jan. 2, 14:31 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 CU
    
                               Revision to MPEC 2015-C42
    
    Additional Observations:
         K15C00U |C2015 12 31.29392 12 08 42.84 -37 29 10.3          22.2 VuEA016807
         K15C00U |C2015 12 31.30508 12 08 44.21 -37 29 02.1          22.0 VuEA016807
         K15C00U |C2015 12 31.31595 12 08 45.41 -37 28 53.1          22.1 VuEA016807
         K15C00U |C2016 01 02.29779 12 12 39.70 -37 00 29.0          22.2 VuEA016807
         K15C00U |C2016 01 02.30224 12 12 40.20 -37 00 24.9          22.3 VuEA016807
         K15C00U |C2016 01 02.30646 12 12 40.71 -37 00 21.3          22.3 VuEA016807
    
    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
    151231 807  0.5+  3.5+    160102 807  1.8+  3.4+    MPO342306   -0.00058 day
    
    Orbital elements:
    2015 CU                                                  Earth MOID = 0.1643 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 124.29471              (2000.0)            P               Q
    n   1.02942185     Peri.  197.82371     +0.96533963     +0.06395541
    a   0.9714202      Node   154.08324     -0.10531114     +0.98253253
    e   0.2038106      Incl.   35.37688     -0.23880736     -0.17475563
    P   0.96           H   20.9           G   0.15           U   2
    Residuals in seconds of arc
    150208 F51  0.1+  0.1+    150219 204  0.0   0.1+    150226 703  0.2+  0.2-
    150208 F51  0.0   0.2+    150219 204  0.1+  0.0     150226 G96  0.0   0.1+
    150208 F51  0.0   0.1-    150219 204  0.2+  0.1+    150226 G96  0.2+  0.4+
    150208 F51  0.1+  0.1-    150219 204  0.1+  0.0     150226 G96  0.3+  0.2+
    150209 807  0.1+  0.1-    150219 246  0.0   0.1+    150226 G96  0.2+  0.2+
    150209 807  0.1+  0.0     150219 246  0.0   0.1+    150226 246  0.6-  0.4+
    150209 807  0.1+  0.0     150219 246  0.0   0.5-    150226 246  0.0   0.3+
    150209 F51  0.3+  0.1-    150219 246  0.6-  0.8-    150226 246  0.1-  0.0
    150209 F51  0.2+  0.0     150219 246  0.6-  0.3-    150226 246  0.2+  0.0
    150209 F51  0.2+  0.2-    150219 246  0.3-  0.1+    150226 246  0.1-  0.1-
    150210 807  0.0   0.1-    150219 246  0.3-  0.1+    150226 246  0.2-  0.2-
    150210 807  0.0   0.2-    150221 J69  0.1-  0.2-    150226 246  0.4-  0.1-
    150210 807  0.0   0.1-    150221 J69  0.5+  0.7+    150226 246  0.0   0.0
    150211 821  0.1+  0.4+    150221 J69  0.0   1.0+    150227 291  0.1-  0.1-
    150211 821  0.2+  0.5+    150222 474  0.1+  0.1+    150227 291  0.0   0.1+
    150211 821  0.2+  0.1+    150222 474  0.2+  0.1+    150227 291  0.0   0.1+
    150212 807  0.0   0.1-    150222 474  0.2+  0.1+    150227 G96  0.0   0.1-
    150212 807  0.0   0.1-    150222 474  0.0   0.1+    150227 G96  0.1+  0.1-
    150212 807  0.0   0.1-    150223 W88  0.1+  0.3-    150227 G96  0.1+  0.1-
    150213 807  0.1-  0.0     150223 W88  0.1+  0.3-    150227 G96  0.1+  0.1-
    150213 807  0.0   0.1-    150224 I15  0.1-  0.5+    150228 203  0.2-  0.2-
    150214 807  0.0   0.1-    150224 I15  0.2+  0.2-    150228 203  0.0   0.1-
    150214 807  0.5+  0.1+    150224 I15  0.1+  0.8-    150308 113  0.1+  0.4+
    150216 807  0.1-  0.2-    150224 474  0.1+  0.0     150308 113  0.3-  0.0
    150216 807  0.1+  0.3-    150224 474  0.2+  0.4-    150308 113  0.3-  0.2+
    150216 807  0.1-  0.3-    150224 474  0.2+  0.4-    150309 H21  0.3+  0.6-
    150216 246  0.8-  0.2-    150224 474  0.1+  0.2-    150309 H21  0.1+  0.3-
    150216 246  0.9-  0.4+    150225 H21  0.2+  0.3-    150309 H21  0.1+  0.3-
    150216 246  0.1+  0.9+    150225 H21  0.0   0.3-    150309 H21  0.2+  0.0
    150216 246  0.1+  0.4-    150225 H21  0.2+  0.2-    150309 H21  0.2+  0.1-
    150216 246  0.5-  1.4+    150225 H21  0.1+  0.2-    150318 H21  0.1+  0.1-
    150216 246  0.2-  0.6+    150225 H21  0.0   0.3-    150318 H21  0.0   0.0
    150216 246  0.1-  0.1-    150225 B67  0.3-  0.7+    150318 H21  0.1-  0.2-
    150218 G48  0.4+  0.2+    150225 B67  0.2-  0.8+    150618 568  0.0   0.0
    150218 G48  0.8-  0.3+    150225 B67  0.1+  0.7+    150618 568  0.0   0.0
    150218 G48  0.2-  0.0     150226 291  0.4-  0.0     151231 807  1.0-  0.3+
    150218 A48  0.3-  0.1+    150226 291  0.1-  0.4+    151231 807  0.2+  0.3-
    150218 A48  1.3+  1.0-    150226 291  0.5-  0.1-    151231 807  0.2-  0.1+
    150218 A48 (1.7+  1.4-)   150226 703  1.4-  0.2-    160102 807  0.1-  0.0
    150218 A48  0.3+  0.2+    150226 703  0.5+  0.5-    160102 807  0.2-  0.3+
    150219 204  0.1-  0.1-    150226 703  0.0   0.1-    160102 807  0.2+  0.2+
    
    Ephemeris:
    2015 CU                  a,e,i = 0.97, 0.20, 35                  q = 0.7734
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 12 03    11 13 13.3 -41 25 16   0.7142  0.9843    68.6    68.9    22.6
    ...
    2015 12 18    11 42 28.8 -39 50 39   0.6656  1.0345    74.9    66.7    22.4
    ...
    2015 12 26    11 58 15.1 -38 34 34   0.6248  1.0589    78.9    65.7    22.3
    ...
    2016 01 01    12 10 05.5 -37 19 22   0.5886  1.0759    82.3    64.9    22.2
    2016 01 02    12 12 03.7 -37 04 55   0.5822  1.0786    82.9    64.8    22.2
    2016 01 03    12 14 01.7 -36 49 52   0.5756  1.0813    83.5    64.6    22.2
    ...
    2016 01 09    12 25 45.9 -35 04 32   0.5342  1.0966    87.3    63.6    22.0
    ...
    2016 01 17    12 41 08.4 -31 51 48   0.4746  1.1149    93.1    61.8    21.7
    ...
    2016 02 01    13 08 37.0 -21 17 01   0.3593  1.1424   106.9    55.6    21.0
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-A16
    

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