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  • MPEC 2015-X140: 2015 XG261

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    M.P.E.C. 2015-X140                               Issued 2015 Dec. 11, 14:33 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 XG261
    
    Observations:
         K15XQ1G* C2015 12 09.50127 05 05 49.862+19 45 37.81         19.8 wLEX140F51
         K15XQ1G  C2015 12 09.52902 05 05 22.991+19 51 21.05         20.1 wLEX140F51
         K15XQ1G  C2015 12 09.54285 05 05 09.682+19 54 10.95         20.5 wLEX140F51
         K15XQ1G  C2015 12 09.88887 04 59 39.84 +21 05 08.6          20.5 VSEX140033
         K15XQ1G  C2015 12 09.89115 04 59 37.61 +21 05 36.5          20.5 VSEX140033
         K15XQ1G  C2015 12 09.89341 04 59 35.42 +21 06 04.1          20.5 VSEX140033
         K15XQ1G  C2015 12 09.94263 04 58 47.08 +21 16 10.1          20.6 VSEX140033
         K15XQ1G  C2015 12 09.94502 04 58 44.74 +21 16 39.0          19.8 VSEX140033
         K15XQ1G  C2015 12 09.94741 04 58 42.39 +21 17 08.3          19.6 VSEX140033
         K15XQ1G  C2015 12 11.27679 04 36 42.57 +25 41 11.3          20.4 RoEX140926
         K15XQ1G  C2015 12 11.27957 04 36 39.73 +25 41 43.1          20.2 RoEX140926
         K15XQ1G  C2015 12 11.28227 04 36 36.95 +25 42 13.9          20.4 RoEX140926
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
        C. Hoegner.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2015 XG261                                               Earth MOID = 0.0704 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 193.87042              (2000.0)            P               Q
    n   0.88847175     Peri.  192.73842     -0.14496930     +0.36907787
    a   1.0716187      Node    77.12746     -0.80497926     +0.49549916
    e   0.1198531      Incl.   70.33717     -0.57531929     -0.78629645
    P   1.11           H   22.9           G   0.15           U   9
    Residuals in seconds of arc
    151209 F51  0.1-  0.5+    151209 033  0.4+  0.1-    151209 033  0.5-  0.1+
    151209 F51  0.4-  0.2+    151209 033  0.7+  0.3-    151211 926  0.2-  0.1+
    151209 F51  0.5+  0.8-    151209 033  0.5-  0.6+    151211 926  0.1+  0.0
    151209 033  0.4+  0.1+    151209 033  0.4-  0.1+    151211 926  0.1+  0.2-
    
    Ephemeris:
    2015 XG261               a,e,i = 1.07, 0.12, 70                  q = 0.9432
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 11 11    08 11 36.0 -25 33 49   0.5706  1.1730    93.5    57.4    24.1
    ...
    2015 11 26    07 24 16.1 -14 47 55   0.3340  1.1873   119.4    46.4    22.7
    ...
    2015 12 04    06 20 15.6 +01 33 03   0.2366  1.1928   147.9    26.1    21.3
    ...
    2015 12 10    04 57 52.0 +21 28 03   0.2111  1.1959   177.8     1.8    20.1
    2015 12 11    04 41 22.6 +24 47 43   0.2127  1.1963   173.3     5.5    20.4
    2015 12 12    04 24 25.4 +27 55 49   0.2161  1.1968   167.8    10.0    20.6
    ...
    2015 12 18    02 44 43.5 +40 47 59   0.2661  1.1987   139.4    32.3    21.8
    ...
    2015 12 26    01 13 10.5 +45 59 11   0.3782  1.2000   116.3    47.3    23.0
    ...
    2016 01 10    00 04 15.1 +47 12 15   0.6220  1.1981    93.8    55.0    24.3
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-X140
    

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