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  • MPEC 2015-X76 : 2015 XR55

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    M.P.E.C. 2015-X76                                Issued 2015 Dec. 6, 18:47 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 XR55
    
    Observations:
         K15X55R* C2015 12 04.36770 03 49 17.435+41 57 57.54         20.9 wLEX076F51
         K15X55R  C2015 12 04.37964 03 49 14.250+41 58 04.56         21.0 wLEX076F51
         K15X55R  C2015 12 04.39164 03 49 11.044+41 58 11.23         21.1 wLEX076F51
         K15X55R  C2015 12 05.08067 03 46 12.30 +42 04 12.7          21.3 VSEX076033
         K15X55R  C2015 12 05.09014 03 46 09.80 +42 04 17.3          21.3 VSEX076033
         K15X55R  C2015 12 05.11778 03 46 02.68 +42 04 30.4          21.7 VSEX076033
         K15X55R  C2015 12 05.12725 03 46 00.20 +42 04 34.8          21.7 VSEX076033
         K15X55R  C2015 12 05.25110 03 45 29.21 +42 05 47.0          20.9 RoEX076926
         K15X55R  C2015 12 05.25983 03 45 26.92 +42 05 51.5          20.6 RoEX076926
         K15X55R  C2015 12 05.26931 03 45 24.46 +42 05 56.2          20.4 RoEX076926
         K15X55R  C2015 12 06.11578403 41 49.47 +42 12 35.4          21.1 VtEX076H01
         K15X55R  C2015 12 06.11990003 41 48.42 +42 12 37.3          21.4 VtEX076H01
         K15X55R  C2015 12 06.13064603 41 45.64 +42 12 42.5          20.9 VtEX076H01
         K15X55R  C2015 12 06.13757503 41 43.85 +42 12 45.8          21.3 VtEX076H01
         K15X55R  C2015 12 06.36165 03 40 46.790+42 14 28.70         21.2 wLEX076F51
         K15X55R  C2015 12 06.37441 03 40 43.463+42 14 34.05         21.1 wLEX076F51
         K15X55R  C2015 12 06.38722 03 40 40.129+42 14 39.87         21.2 wLEX076F51
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers B. Stecklum,
        F. Ludwig.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    
    Orbital elements:
    2015 XR55                                                Earth MOID = 0.3178 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 190.30558              (2000.0)            P               Q
    n   0.84137209     Peri.  207.23892     -0.20480537     +0.89647346
    a   1.1112471      Node    53.67169     -0.78557099     +0.08892392
    e   0.4502631      Incl.   29.19087     -0.58389467     -0.43408280
    P   1.17           H   20.2           G   0.15           U   9
    Residuals in seconds of arc
    151204 F51  0.0   0.1-    151205 033  0.2-  0.2-    151206 H01  0.2-  0.1+
    151204 F51  0.0   0.1+    151205 926  0.1-  0.2+    151206 H01  0.2-  0.1+
    151204 F51  0.0   0.0     151205 926  0.0   0.2+    151206 F51  0.2+  0.0
    151205 033  0.2+  0.1+    151205 926  0.4+  0.2+    151206 F51  0.0   0.2-
    151205 033  0.3-  0.1+    151206 H01  0.2-  0.1+    151206 F51  0.1-  0.1+
    151205 033  0.2+  0.1-    151206 H01  0.1-  0.1+
    
    Ephemeris:
    2015 XR55                a,e,i = 1.11, 0.45, 29                  q = 0.6109
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 11 06    05 38 32.3 +31 00 11   0.6483  1.5314   137.1    26.1    21.4
    ...
    2015 11 21    04 47 58.7 +38 08 40   0.6114  1.5688   156.9    14.3    20.9
    ...
    2015 11 29    04 13 03.7 +40 50 35   0.6195  1.5840   160.5    12.0    20.9
    ...
    2015 12 05    03 46 33.9 +42 03 35   0.6389  1.5932   156.9    14.0    21.0
    2015 12 06    03 42 18.3 +42 11 43   0.6432  1.5946   156.0    14.6    21.1
    2015 12 07    03 38 06.8 +42 18 46   0.6478  1.5959   154.9    15.2    21.1
    ...
    2015 12 13    03 14 52.1 +42 40 55   0.6810  1.6026   147.8    19.1    21.4
    ...
    2015 12 21    02 50 16.6 +42 31 46   0.7384  1.6086   137.7    24.3    21.7
    ...
    2016 01 05    02 24 45.0 +41 34 43   0.8727  1.6111   120.4    31.8    22.3
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-X76
    

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