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  • MPEC 2015-B78 : 2015 BS4

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    M.P.E.C. 2015-B78                                Issued 2015 Jan. 20, 14:57 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 BS4
    
    Observations:
         K15B04S* C2015 01 17.46753 12 04 04.668+19 30 59.53         20.9 wLEB078F51
         K15B04S  C2015 01 17.48146 12 04 09.973+19 30 27.12         21.3 wLEB078F51
         K15B04S  C2015 01 17.49534 12 04 15.188+19 29 54.66         21.1 wLEB078F51
         K15B04S  C2015 01 17.50926 12 04 20.464+19 29 22.10         21.1 wLEB078F51
         K15B04S KC2015 01 18.40496 12 10 10.94 +18 52 47.4          20.3 RoEB078291
         K15B04S KC2015 01 18.40652 12 10 11.53 +18 52 43.9          20.2 RoEB078291
         K15B04S KC2015 01 18.40809 12 10 12.16 +18 52 39.8          20.2 RoEB078291
         K15B04S _C2015 01 18.49361112 10 46.450+18 49 09.23         20.2 RtEB078568
         K15B04S _C2015 01 18.49753512 10 47.969+18 48 59.42         20.1 RtEB078568
         K15B04S _C2015 01 18.50012612 10 48.976+18 48 53.01         19.9 RtEB078568
         K15B04S KC2015 01 19.40797 12 16 52.62 +18 09 34.5          20.6 RoEB078291
         K15B04S KC2015 01 19.40873 12 16 52.92 +18 09 32.3          20.7 RoEB078291
         K15B04S KC2015 01 19.40948 12 16 53.22 +18 09 30.2          20.7 RoEB078291
         K15B04S KC2015 01 19.44232212 17 05.44 +18 07 59.8          20.5 VuEB078H21
         K15B04S KC2015 01 19.44968612 17 08.37 +18 07 40.0          20.9 VuEB078H21
         K15B04S KC2015 01 19.45793812 17 11.62 +18 07 18.1          20.8 VuEB078H21
         K15B04S KC2015 01 20.38326 12 23 32.46 +17 25 04.7          20.3 RoEB078291
         K15B04S KC2015 01 20.38400 12 23 32.79 +17 25 02.6          20.4 RoEB078291
         K15B04S KC2015 01 20.38476 12 23 33.09 +17 25 00.6          20.3 RoEB078291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + 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.
    
    Orbital elements:
    2015 BS4                                            PHA, Earth MOID = 0.0114 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 343.45607              (2000.0)            P               Q
    n   0.19272712     Peri.  186.16085     -0.99921054     +0.03901740
    a   2.9682980      Node   356.05202     -0.03020763     -0.86845317
    e   0.6704283      Incl.    6.23617     -0.02580296     -0.49423348
    P   5.11           H   21.3           G   0.15           U   8
    Residuals in seconds of arc
    150117 F51  0.0   0.0     150118 568  0.4-  0.1-    150119 H21  0.0   0.4-
    150117 F51  0.3+  0.0     150118 568  0.5-  0.1-    150119 H21  0.1-  0.2-
    150117 F51  0.3-  0.0     150118 568  0.4-  0.1-    150120 291  0.3-  0.0
    150117 F51  0.1-  0.0     150119 291  0.1+  0.2+    150120 291  0.2+  0.0
    150118 291  0.2+  0.0     150119 291  0.1+  0.0     150120 291  0.1+  0.1+
    150118 291  0.0   0.3+    150119 291  0.1+  0.1-
    150118 291  0.4+  0.1+    150119 H21  0.2-  0.3-
    
    Ephemeris:
    2015 BS4                 a,e,i = 2.97, 0.67, 6                   q = 0.9783
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 21    09 56 12.8 +27 57 23   0.5672  1.3947   126.0    34.8    22.2
    ...
    2015 01 05    10 55 12.7 +25 11 18   0.4040  1.2678   126.9    38.3    21.4
    ...
    2015 01 13    11 36 47.3 +22 05 28   0.3337  1.2045   124.5    42.3    21.0
    ...
    2015 01 19    12 14 06.9 +18 27 38   0.2904  1.1601   120.9    46.7    20.7
    2015 01 20    12 20 52.9 +17 43 03   0.2841  1.1530   120.1    47.6    20.7
    2015 01 21    12 27 48.2 +16 55 52   0.2781  1.1460   119.3    48.5    20.6
    ...
    2015 01 27    13 12 22.6 +11 16 39   0.2485  1.1060   113.1    55.0    20.5
    ...
    2015 02 04    14 17 37.6 +01 36 06   0.2286  1.0594   102.6    65.2    20.5
    ...
    2015 02 19    16 15 55.4 -16 08 36   0.2517  0.9978    84.8    80.6    21.1
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B78
    

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