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  • MPEC 2016-C03 : 2015 AH

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    M.P.E.C. 2016-C03                                Issued 2016 Feb. 1, 11:37 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 AH
    
                               Revision to MPEC 2015-A30
    
    Additional Observations:
         K15A00H 2C2016 01 13.64410213 05 09.473-32 44 45.42         23.1 RtEC003568
         K15A00H 2C2016 01 31.66257513 58 44.019-42 45 00.55         22.6 RtEC003568
         K15A00H 2C2016 01 31.66430713 58 44.360-42 45 03.96         22.4 RtEC003568
         K15A00H 2C2016 01 31.66603913 58 44.700-42 45 07.36         22.5 RtEC003568
    
    Observer details:
    568 Mauna Kea.  Observers R. Weryk, Y. Ramanjooloo, D. J. Tholen.  Measurer
        D. J. Tholen.  2.24-m University of Hawaii reflector.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    160113 568 15.5-  6.4-    160131 568 20.9- 10.2-    MPO335316   +0.0042 day
    
    Orbital elements:
    2015 AH                                             PHA, Earth MOID = 0.0398 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 178.33534              (2000.0)            P               Q
    n   1.14112698     Peri.   70.55770     +0.80076710     +0.55083629
    a   0.9069432      Node   255.35172     -0.59889691     +0.72993636
    e   0.2403840      Incl.   14.07388     -0.00972342     +0.40468791
    P   0.86           H   21.5           G   0.15           U   2
    Residuals in seconds of arc
    150109 F51  0.0   0.1+    150115 807  0.2-  0.1+    150123 291  0.1-  0.1-
    150109 F51  0.0   0.1-    150116 807  0.3-  0.0     150123 291  0.1+  0.3+
    150109 F51  0.1+  0.1+    150116 807  0.1-  0.2+    150123 568  0.0   0.0
    150109 F51  0.0   0.1-    150116 807  0.0   0.4+    150123 568  0.0   0.0
    150110 807  0.4+  0.1+    150116 807  0.1-  0.2+    150206 291  0.0   0.2-
    150110 807  0.3+  0.5+    150116 807  0.3-  0.1-    150206 291  0.2-  0.0
    150110 807  0.0   0.2+    150116 474  0.3-  0.0     150206 291  0.2-  0.5-
    150110 807  0.1+  0.3+    150116 474  0.7+  0.2-    150210 291  0.0   0.3-
    150110 807  0.1+  0.1+    150116 474  0.4+  0.5-    150210 291  0.3-  0.8-
    150111 807  0.2-  0.1+    150117 291  0.1-  0.0     150210 291  0.1+  0.3-
    150111 807  0.0   0.4+    150117 291  0.2+  0.1+    150214 675  0.1+  0.4+
    150111 807  0.2+  0.3+    150117 291  0.0   0.2-    150214 675  0.0   0.2+
    150111 807  0.0   0.1+    150119 807  0.3+  0.2+    150218 291  0.1-  0.1+
    150111 807  0.3-  0.0     150119 807  0.2+  0.2-    150218 291  0.2-  0.1-
    150112 807  0.2+  0.1-    150119 807  0.5-  0.1-    150218 291  0.1+  0.2+
    150112 807  0.1+  0.2-    150119 807  0.3-  0.1-    150225 568  0.1+  0.1+
    150112 807  0.0   0.2-    150119 807  0.1-  0.2-    150225 568  0.0   0.0
    150113 807  0.5-  0.1+    150121 291  0.2-  0.2+    150310 291  0.0   0.3-
    150113 807  0.3-  0.1+    150121 291  0.4-  0.4+    150310 291  0.1-  0.0
    150113 807  0.2+  0.2-    150121 291  0.4+  0.6+    150310 291  0.3+  0.0
    150113 807  0.2+  0.3-    150121 474  0.2+  1.0-    160113 568  0.1+  0.0
    150113 807  0.3+  0.3-    150121 474  0.8+  0.9+    160131 568  0.0   0.0
    150115 807  0.1-  0.5+    150121 474  0.1+  0.1-    160131 568  0.0   0.0
    150115 807  0.0   0.2-    150121 474  0.7-  0.2+    160131 568  0.0   0.0
    150115 807  0.1-  0.2+    150123 291  0.3-  0.1+
    
    Ephemeris:
    2015 AH                  a,e,i = 0.91, 0.24, 14                  q = 0.6889
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 01 02    12 35 49.7 -26 15 23   0.6839  1.1206    82.4    60.4    23.1
    ...
    2016 01 17    13 14 11.3 -34 36 56   0.6250  1.1248    85.7    60.7    22.9
    ...
    2016 01 25    13 37 16.5 -39 04 12   0.5918  1.1218    87.0    61.2    22.8
    ...
    2016 01 31    13 56 29.2 -42 22 58   0.5665  1.1173    87.8    61.8    22.7
    2016 02 01    13 59 53.2 -42 55 50   0.5623  1.1163    87.9    61.9    22.7
    2016 02 02    14 03 21.0 -43 28 36   0.5580  1.1153    88.0    62.0    22.7
    ...
    2016 02 08    14 25 38.3 -46 42 19   0.5324  1.1081    88.4    62.8    22.6
    ...
    2016 02 16    15 00 26.9 -50 47 41   0.4984  1.0954    88.6    64.4    22.5
    ...
    2016 03 02    16 29 37.4 -56 53 11   0.4370  1.0622    87.0    68.7    22.2
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-C03
    

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