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  • MPEC 2016-N90 : 2008 XQ2

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    M.P.E.C. 2016-N90                                Issued 2016 July 14, 11:52 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
    
                                       2008 XQ2
    
                               Revision to MPEC 2008-X52
    
    Additional Observations:
         K08X02Q 2C2016 03 10.51201412 32 35.635+10 38 34.08         24.8 RtEN090568
         K08X02Q 2C2016 03 15.59780912 26 38.125+11 05 42.25         24.3 RtEN090568
         K08X02Q 2C2016 03 15.60801412 26 37.370+11 05 45.49         24.8 RtEN090568
    
    Observer details:
    568 Mauna Kea.  Observer Y. Ramanjooloo.  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
    160310 568 40.6+ 34.5-    160315 568 41.4+ 34.3-    MPO292139   -0.070 day
    
    Orbital elements:
    2008 XQ2                                            PHA, Earth MOID = 0.0046 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 141.14639              (2000.0)            P               Q
    n   0.30163667     Peri.  354.96438     +0.86824069     -0.47530399
    a   2.2019796      Node    34.59663     +0.46350419     +0.67475735
    e   0.5511016      Incl.   14.51225     +0.17698013     +0.56461370
    P   3.27           H   20.3           G   0.15           U   2
    Residuals in seconds of arc
    081205 703  0.5+  2.8-    081206 G96  0.1+  0.3-    081229 540  0.5+  0.1+
    081205 703  0.4-  0.3-    081206 G96  0.2+  0.0     081230 J95  0.5+  0.9+
    081205 703 (3.0-  1.1+)   081206 H01  0.4+  0.1+    081230 J95  0.5-  0.2-
    081205 G96  0.1+  0.4-    081206 G96  0.7+  0.1-    081230 J95  0.7-  0.5+
    081205 703  1.9-  0.2-    081206 H01  0.5+  0.2-    090131 H55  1.3+  0.3-
    081205 G96  0.2+  0.0     081206 H01  0.5+  0.1-    090131 H55  0.2+  0.0
    081205 G96  0.2-  0.2-    081207 J95  0.3+  0.1+    090131 H55  0.4-  0.4+
    081205 G96  0.2+  0.4-    081207 J95  0.1-  0.4-    090223 568  0.3+  0.1-
    081205 G96  0.3+  0.4-    081207 J95  0.5-  0.6+    090223 568  0.4+  0.0
    081205 G96  0.2+  0.1-    081217 J95  0.7+  0.4-    160310 568  0.0   0.0
    081205 G96  0.4+  0.1-    081217 J95  0.4-  0.0     160315 568  0.1+  0.1-
    081205 G96  0.3+  0.1-    081229 540  1.4+  0.2+    160315 568  0.1-  0.0
    081206 G96  0.9+  0.7-    081229 540  0.5-  0.3-
    081206 H01  0.6+  0.0     081229 540  1.0+  0.1+
    
    Ephemeris:
    2008 XQ2                 a,e,i = 2.20, 0.55, 15                  q = 0.9885
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 06 14    11 41 58.5 +08 42 48   3.0443  3.1967    89.3    18.5    26.2
    ...
    2016 06 29    11 49 31.0 +07 00 37   3.2986  3.2328    77.4    17.9    26.4
    ...
    2016 07 07    11 54 37.2 +06 02 25   3.4299  3.2507    71.3    17.2    26.4
    ...
    2016 07 13    11 58 51.8 +05 17 25   3.5255  3.2635    66.9    16.6    26.5
    2016 07 14    11 59 36.1 +05 09 49   3.5411  3.2656    66.2    16.5    26.5
    2016 07 15    12 00 20.9 +05 02 11   3.5566  3.2676    65.4    16.4    26.5
    ...
    2016 07 21    12 04 59.9 +04 15 55   3.6479  3.2797    61.1    15.7    26.5
    ...
    2016 07 29    12 11 36.8 +03 13 03   3.7638  3.2950    55.4    14.7    26.6
    ...
    2016 08 13    12 25 06.1 +01 12 20   3.9603  3.3212    44.9    12.4    26.6
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-N90
    

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