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  • MPEC 2015-B80 : 2015 BU4

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    M.P.E.C. 2015-B80                                Issued 2015 Jan. 20, 15:25 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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 BU4
    
    Observations:
         K15B04U* C2015 01 18.29841 08 06 08.360+29 33 49.08         20.5 wLEB080F51
         K15B04U  C2015 01 18.31167 08 06 08.354+29 31 29.81         20.5 wLEB080F51
         K15B04U  C2015 01 18.32497 08 06 08.308+29 29 10.02         20.8 wLEB080F51
         K15B04U  C2015 01 18.33830 08 06 08.209+29 26 49.76         20.6 wLEB080F51
         K15B04U  C2015 01 18.99928 08 06 26.65 +27 30 21.0          19.8 VMEB080033
         K15B04U  C2015 01 19.00452 08 06 26.64 +27 29 27.5          19.7 VMEB080033
         K15B04U  C2015 01 19.03823 08 06 26.56 +27 23 42.2          19.5 VMEB080033
         K15B04U  C2015 01 19.04346 08 06 26.56 +27 22 48.9          19.5 VMEB080033
         K15B04U KC2015 01 19.30946308 06 36.10 +26 38 41.7          20.4 VuEB080H21
         K15B04U KC2015 01 19.31419508 06 36.00 +26 37 53.8          20.4 VuEB080H21
         K15B04U KC2015 01 19.31875208 06 35.99 +26 37 08.6          20.3 VuEB080H21
         K15B04U _C2015 01 19.37812808 06 44.720+26 28 05.55         19.9 RtEB080568
         K15B04U _C2015 01 19.37941308 06 44.696+26 27 53.07         20.2 RtEB080568
         K15B04U _C2015 01 19.38070408 06 44.666+26 27 40.42         20.0 RtEB080568
         K15B04U KC2015 01 20.19596 08 07 11.59 +24 17 17.5          20.1 RqEB080H36
         K15B04U KC2015 01 20.22173 08 07 11.18 +24 13 22.5          19.2 RqEB080H36
         K15B04U KC2015 01 20.23181 08 07 11.03 +24 11 51.4          20.1 RqEB080H36
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observer B. Stecklum.  1.34-m
        f/4 Schmidt + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, P. Forshay, M. Micheli.  Measurers
        M. Micheli, R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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. Magnier, E. Schunova, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, L. Buzzi, S. Foglia, T. Vorobjov.  0.61-m f/4.5
        astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    
    Orbital elements:
    2015 BU4                                                 Earth MOID = 0.0497 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 359.66634              (2000.0)            P               Q
    n   0.60051239     Peri.  132.28280     +0.27611799     -0.95272597
    a   1.3914088      Node   301.27114     +0.83239731     +0.30298952
    e   0.2967556      Incl.    8.52982     +0.48049306     +0.02259578
    P   1.64           H   25.7           G   0.15           U   7
    Residuals in seconds of arc
    150118 F51  0.1+  0.3+    150119 033  0.2-  0.0     150119 568  0.3-  0.2+
    150118 F51  0.0   0.1+    150119 033  0.1-  0.4+    150119 568  0.3-  0.1+
    150118 F51  0.0   0.1-    150119 H21  0.6+  0.0     150120 H36  1.1+  0.1+
    150118 F51  0.0   0.2-    150119 H21  0.1-  0.4-    150120 H36  0.3-  0.5-
    150118 033  0.2-  0.3-    150119 H21  0.4+  0.1+    150120 H36  0.5-  0.3+
    150119 033  0.1-  0.1-    150119 568  0.3-  0.1+
    
    Ephemeris:
    2015 BU4                 a,e,i = 1.39, 0.30, 9                   q = 0.9785
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 21    20 37 08.9 +57 36 23   0.08805 0.9845    87.8    87.0    23.4
    ...
    2015 01 05    06 15 54.3 +83 48 12   0.05234 1.0095   118.8    58.6    21.4
    ...
    2015 01 13    07 59 51.6 +48 54 39   0.05210 1.0299   152.3    26.4    20.5
    ...
    2015 01 19    08 06 27.5 +27 31 16   0.06454 1.0480   172.9     6.7    20.4
    2015 01 20    08 07 01.8 +24 48 21   0.06741 1.0512   175.5     4.2    20.3
    2015 01 21    08 07 31.9 +22 18 53   0.07045 1.0545   177.7     2.2    20.3
    ...
    2015 01 27    08 09 45.1 +11 14 23   0.09173 1.0752   170.3     8.9    21.3
    ...
    2015 02 04    08 12 19.3 +03 13 43   0.1258  1.1053   160.9    17.0    22.3
    ...
    2015 02 19    08 19 25.3 -02 33 24   0.2024  1.1676   149.6    25.3    23.7
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B80
    

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