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  • MPEC 2015-Y05 : 2015 XS378

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    M.P.E.C. 2015-Y05                                Issued 2015 Dec. 16, 14:19 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 XS378
    
    Observations:
         K15Xb8S* C2015 12 14.42540 05 03 27.912-01 27 31.66         20.2 wLEY005F51
         K15Xb8S  C2015 12 14.44919 05 03 48.444-01 29 42.86         20.0 wLEY005F51
         K15Xb8S  C2015 12 14.46107 05 03 58.683-01 30 48.17         19.9 wLEY005F51
         K15Xb8S  C2015 12 15.21375 05 15 02.37 -02 36 15.2          20.4 RuEY005926
         K15Xb8S  C2015 12 15.22245 05 15 09.24 -02 36 57.0          19.9 RuEY005926
         K15Xb8S  C2015 12 15.23113 05 15 16.01 -02 37 40.4          20.0 RuEY005926
         K15Xb8S  C2015 12 15.28731 05 15 59.61 -02 42 13.2          19.3 RoEY005926
         K15Xb8S  C2015 12 15.29014 05 16 01.80 -02 42 26.9          19.3 RoEY005926
         K15Xb8S  C2015 12 15.29296 05 16 03.94 -02 42 40.3          19.3 RoEY005926
         K15Xb8S  C2015 12 15.31620 05 16 21.91 -02 44 32.9          20.7 RuEY005926
         K15Xb8S  C2015 12 15.32491 05 16 28.58 -02 45 14.3          20.1 RuEY005926
         K15Xb8S  C2015 12 15.33362 05 16 35.25 -02 45 55.7          19.9 RuEY005926
         K15Xb8S _C2015 12 15.49320405 18 42.257-02 58 06.27         19.4 RtEY005568
         K15Xb8S _C2015 12 15.49428405 18 43.074-02 58 11.30         19.4 RtEY005568
         K15Xb8S _C2015 12 15.49536505 18 43.890-02 58 16.33         19.5 RtEY005568
         K15Xb8S  C2015 12 16.39936 05 30 04.60 -04 04 13.0          19.9 RoEY005926
         K15Xb8S  C2015 12 16.40227 05 30 06.57 -04 04 24.9          19.9 RoEY005926
         K15Xb8S  C2015 12 16.40516 05 30 08.49 -04 04 36.0          20.0 RoEY005926
         K15Xb8S KC2015 12 16.44608 05 30 36.14 -04 07 20.4          18.2 RoEY005291
         K15Xb8S KC2015 12 16.44788 05 30 37.35 -04 07 27.8          17.8 RoEY005291
         K15Xb8S KC2015 12 16.44968 05 30 38.55 -04 07 34.6          17.8 RoEY005291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, P. Forshay.  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.  0.41-m f/3.75 astrograph + CCD, 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 XS378                                               Earth MOID = 0.0302 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M  11.34838              (2000.0)            P               Q
    n   0.23679982     Peri.  166.05380     +0.50643426     -0.84837474
    a   2.5875086      Node   253.31926     +0.77488912     +0.52622674
    e   0.6101761      Incl.    9.26481     +0.37824753     +0.05784219
    P   4.16           H   24.8           G   0.15           U   7
    Residuals in seconds of arc
    151214 F51  0.0   0.1+    151215 926  0.0   0.1-    151215 568  0.0   0.0
    151214 F51  0.0   0.0     151215 926  0.5-  0.1+    151216 926  0.3+  0.0
    151214 F51  0.0   0.0     151215 926  0.6+  0.6-    151216 926  0.5+  0.2-
    151215 926  0.4-  0.2-    151215 926  0.2+  0.2-    151216 926  0.2+  0.2+
    151215 926  0.2+  0.6+    151215 926  0.1-  0.2+    151216 291  0.0   0.1+
    151215 926  0.1-  0.3-    151215 568  0.2-  0.0     151216 291  0.1-  0.2-
    151215 926  0.1-  0.1-    151215 568  0.1-  0.0     151216 291  0.3-  0.2+
    
    Ephemeris:
    2015 XS378               a,e,i = 2.59, 0.61, 9                   q = 1.0087
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 11 16    21 33 11.2 +22 35 07   0.1271  1.0174    99.3    73.6    22.9
    ...
    2015 12 01    23 37 11.9 +22 38 36   0.05738 1.0107   113.9    63.2    20.9
    ...
    2015 12 09    03 05 35.5 +10 15 33   0.04399 1.0233   149.8    29.0    19.3
    ...
    2015 12 15    05 11 57.8 -02 17 10   0.06108 1.0397   154.2    24.3    19.9
    2015 12 16    05 25 17.4 -03 35 07   0.06539 1.0430   153.1    25.3    20.1
    2015 12 17    05 36 58.0 -04 41 30   0.06994 1.0464   152.0    26.2    20.3
    ...
    2015 12 23    06 23 15.2 -08 33 54   0.1007  1.0700   147.6    29.5    21.2
    ...
    2015 12 31    06 52 29.9 -10 02 32   0.1469  1.1090   146.6    29.2    22.1
    ...
    2016 01 15    07 14 44.0 -08 53 34   0.2448  1.2001   149.0    25.0    23.3
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-Y05
    

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