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  • MPEC 2015-X139: 2015 XF261

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    M.P.E.C. 2015-X139                               Issued 2015 Dec. 11, 14:29 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 XF261
    
    Observations:
         K15XQ1F* C2015 12 08.45594 04 47 18.767+16 21 53.49         20.9 wLEX139F51
         K15XQ1F  C2015 12 08.46715 04 47 14.787+16 21 54.65         21.1 wLEX139F51
         K15XQ1F  C2015 12 08.47832 04 47 10.845+16 21 55.40         21.1 wLEX139F51
         K15XQ1F  C2015 12 08.48939 04 47 06.941+16 21 55.86         21.0 wLEX139F51
         K15XQ1F  C2015 12 08.85660 04 45 16.05 +16 21 55.4          20.6 VSEX139033
         K15XQ1F  C2015 12 08.86001 04 45 14.95 +16 21 56.0          21.3 VSEX139033
         K15XQ1F  C2015 12 08.86341 04 45 13.78 +16 21 56.8          21.1 VSEX139033
         K15XQ1F  C2015 12 08.86683 04 45 12.69 +16 21 57.0          21.0 VSEX139033
         K15XQ1F  C2015 12 08.87023 04 45 11.57 +16 21 58.1          20.9 VSEX139033
         K15XQ1F  C2015 12 08.95156 04 44 44.86 +16 22 08.6          21.0 VSEX139033
         K15XQ1F  C2015 12 08.95768 04 44 42.79 +16 22 09.1          21.1 VSEX139033
         K15XQ1F  C2015 12 08.96075 04 44 41.82 +16 22 09.5          20.8 VSEX139033
         K15XQ1F  C2015 12 08.96381 04 44 40.79 +16 22 09.5          21.0 VSEX139033
         K15XQ1F  C2015 12 08.96687 04 44 39.79 +16 22 10.3          21.4 VSEX139033
         K15XQ1F  C2015 12 08.97003 04 44 38.73 +16 22 10.3          21.4 VSEX139033
         K15XQ1F  C2015 12 09.31709 04 42 54.36 +16 23 12.2          21.4 RoEX139926
         K15XQ1F  C2015 12 09.32252 04 42 52.57 +16 23 12.4          21.3 RoEX139926
         K15XQ1F  C2015 12 09.32755 04 42 50.95 +16 23 12.5          21.5 RoEX139926
         K15XQ1F  C2015 12 09.45778 04 42 12.648+16 23 40.07         21.1 wLEX139F51
         K15XQ1F _C2015 12 09.46868704 42 09.070+16 23 41.64         20.7 RtEX139568
         K15XQ1F _C2015 12 09.46976204 42 08.725+16 23 41.70         20.7 RtEX139568
         K15XQ1F  C2015 12 09.47056 04 42 08.529+16 23 40.82         21.3 wLEX139F51
         K15XQ1F _C2015 12 09.47087004 42 08.362+16 23 41.75         20.7 RtEX139568
         K15XQ1F  C2015 12 09.48320 04 42 04.499+16 23 41.29         21.2 wLEX139F51
         K15XQ1F  C2015 12 09.49593 04 42 00.415+16 23 41.71         21.1 wLEX139F51
         K15XQ1F  C2015 12 11.30965 04 34 02.11 +16 26 03.8          22.9 RoEX139926
         K15XQ1F  C2015 12 11.32058 04 33 59.14 +16 26 04.1          22.8 RoEX139926
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
        C. Hoegner.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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 XF261                                               Earth MOID = 0.0024 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 125.83980              (2000.0)            P               Q
    n   0.99935171     Peri.  100.84658     +0.65471132     +0.75584737
    a   0.9908102      Node   210.05474     -0.69878904     +0.60174843
    e   0.3185975      Incl.    0.79129     -0.28817869     +0.25805732
    P   0.99           H   25.2           G   0.15           U   8
    Residuals in seconds of arc
    151208 F51  0.1-  0.1-    151208 033  0.7+  0.1+    151209 F51  0.1-  0.0
    151208 F51  0.1-  0.1+    151208 033  0.1-  0.0     151209 568  0.1+  0.2-
    151208 F51  0.0   0.1+    151208 033  0.4+  0.1+    151209 568  0.2+  0.2-
    151208 F51  0.0   0.1-    151208 033  0.0   0.2-    151209 F51  0.1-  0.0
    151208 033  0.2+  0.1-    151208 033  0.1+  0.3+    151209 568  0.1+  0.2-
    151208 033  0.4+  0.1-    151208 033  0.3-  0.0     151209 F51  0.2+  0.0
    151208 033  0.3-  0.2+    151209 926  0.1-  0.5+    151209 F51  0.1-  0.1-
    151208 033  0.1+  0.2-    151209 926  0.5-  0.3+    151211 926  0.3+  0.1+
    151208 033  0.1+  0.4+    151209 926  0.3-  0.1+    151211 926  0.2-  0.1-
    
    Ephemeris:
    2015 XF261               a,e,i = 0.99, 0.32, 1                   q = 0.6751
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 11 11    12 23 18.2 -06 48 02   0.06594 0.9408    40.2   137.2    25.7
    ...
    2015 11 26    07 07 06.7 +13 16 35   0.05054 1.0239   135.9    42.2    20.4
    ...
    2015 12 04    05 17 36.5 +16 06 08   0.08070 1.0651   169.1    10.1    20.5
    ...
    2015 12 10    04 39 41.1 +16 24 37   0.1104  1.0941   171.2     7.9    21.2
    2015 12 11    04 35 19.2 +16 25 59   0.1157  1.0988   169.7     9.3    21.3
    2015 12 12    04 31 21.8 +16 27 14   0.1211  1.1035   168.0    10.7    21.5
    ...
    2015 12 18    04 14 19.6 +16 34 56   0.1555  1.1303   158.7    18.4    22.4
    ...
    2015 12 26    04 03 24.8 +16 51 39   0.2055  1.1634   148.3    26.4    23.3
    ...
    2016 01 10    04 02 00.5 +17 44 37   0.3103  1.2164   133.0    36.3    24.6
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-X139
    

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