• MPC Preparation (Info)

  • MPEC 2016-C28 : 2008 XW2

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2016-C27 Read MPEC 2016-C29


    M.P.E.C. 2016-C28                                Issued 2016 Feb. 4, 02:53 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 XW2
    
                               Revision to MPEC 2008-X57
    
    Additional Observations:
         K08X02W 2C2016 01 31.65047215 43 27.373+12 34 52.53         23.0 RtEC028568
         K08X02W 2C2016 01 31.65451815 43 27.972+12 34 52.25         22.9 RtEC028568
         K08X02W 2C2016 01 31.65856415 43 28.583+12 34 51.93         22.9 RtEC028568
         K08X02W 2C2016 02 02.64203615 48 32.196+12 32 32.59         22.9 RtEC028568
         K08X02W 2C2016 02 02.64598015 48 32.788+12 32 32.52         23.1 RtEC028568
         K08X02W 2C2016 02 02.64994915 48 33.385+12 32 32.08         23.1 RtEC028568
    
    Observer details:
    568 Mauna Kea.  Observers D. Woodworth, Y. Ramanjooloo.  Measurer D. J. Tholen.
        2.24-m University of Hawaii reflector, 3.6-m Canada-France-Hawaii
        Telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    160131 568 0.14- 0.16+    160202 568 0.14- 0.17+    MPO152528   +0.39 day
    
    Orbital elements:
    2008 XW2                                            PHA, Earth MOID = 0.0401 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 222.83430              (2000.0)            P               Q
    n   0.89667448     Peri.  259.86762     +0.78225410     +0.45715865
    a   1.0650733      Node    71.79533     -0.23150593     +0.84399476
    e   0.4438958      Incl.   26.45416     -0.57834551     +0.28049744
    P   1.10           H   20.6           G   0.15           U   3
    Residuals in seconds of arc
    081206 703 (1.1-  3.6-)   081207 J95  0.3-  0.3-    081208 204  0.2-  0.3+
    081206 703 (0.9-  1.8-)   081207 J95  0.4+  0.0     081208 204  0.0   0.2+
    081206 703 (0.2-  1.6-)   081207 J95  0.1-  0.1+    081208 204  0.3-  0.3+
    081206 703  0.7-  1.3-    081207 854  0.3+  0.8+    081208 204  0.1-  0.5+
    081206 H01  0.2-  0.5+    081207 854  0.3+  0.3+    081211 H36  0.2+  0.2+
    081206 H01  0.1-  0.5+    081207 854  0.1+  0.6+    081211 H36  0.0   0.7+
    081206 H01  0.2-  0.5+    081207 H55  0.3-  0.4+    081211 H36  0.5+  0.3-
    081206 H01  0.3-  0.2+    081207 H55  0.4-  0.6+    081226 A17  0.1-  0.1+
    081206 H01  0.3-  0.4+    081207 H55  0.3-  0.5+    081226 A17  0.5+  0.4+
    081206 703 (0.7-  2.4-)   081207 G96  0.1+  0.1+    081226 A17  0.7+  0.1+
    081206 703 (0.0   2.5-)   081207 H01  0.0   0.5+    090114 H55  0.1+  0.1-
    081206 703 (0.6-  2.2-)   081207 H01  0.1-  0.3+    090114 H55  0.0   0.3-
    081206 703 (0.4+  1.9-)   081207 H01  0.2-  0.2+    090114 H55  0.2+  0.7-
    081206 J95  0.5+  0.4-    081207 G96  0.4+  0.3-    160131 568  0.0   0.0
    081206 J95  0.4-  0.1-    081207 H01  0.1-  0.1+    160131 568  0.1-  0.0
    081206 J95  0.2-  0.5-    081207 H01  0.2-  0.1+    160131 568  0.0   0.0
    081207 587  1.3+  0.5-    081207 G96  0.6+  0.4+    160202 568  0.1+  0.0
    081207 587 (1.4+  1.7+)   081207 G96  0.3+  0.0     160202 568  0.0   0.1+
    081207 587 (0.7-  2.5-)   081208 204  0.1-  0.3+    160202 568  0.0   0.1-
    
    Ephemeris:
    2008 XW2                 a,e,i = 1.07, 0.44, 26                  q = 0.5923
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 01 05    14 37 38.1 +13 43 16   1.4309  1.4938    73.8    39.2    23.8
    ...
    2016 01 20    15 14 17.5 +12 56 01   1.2784  1.4540    78.8    41.6    23.6
    ...
    2016 01 28    15 34 13.2 +12 40 07   1.1949  1.4275    81.2    43.0    23.4
    ...
    2016 02 03    15 49 26.8 +12 32 11   1.1315  1.4052    82.9    44.1    23.3
    2016 02 04    15 52 00.8 +12 31 11   1.1209  1.4013    83.1    44.3    23.3
    2016 02 05    15 54 35.4 +12 30 15   1.1103  1.3973    83.4    44.5    23.3
    ...
    2016 02 11    16 10 15.6 +12 26 25   1.0465  1.3722    84.8    45.7    23.1
    ...
    2016 02 19    16 31 52.9 +12 24 50   0.9612  1.3353    86.5    47.6    22.9
    ...
    2016 03 05    17 16 09.0 +12 25 20   0.8023  1.2559    88.2    52.1    22.5
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-C28
    

    Read MPEC 2016-C27 Read MPEC 2016-C29


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)