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  • MPEC 2015-B44 : 2015 BL

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    M.P.E.C. 2015-B44                                Issued 2015 Jan. 18, 14:58 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 BL
    
    Observations:
         K15B00L* C2015 01 16.47922 10 15 17.686+03 30 34.68         21.4 wLEB044F51
         K15B00L  C2015 01 16.49064 10 15 20.840+03 29 50.55         21.1 wLEB044F51
         K15B00L  C2015 01 16.50209 10 15 23.941+03 29 07.64         21.2 wLEB044F51
         K15B00L  C2015 01 16.51350 10 15 27.066+03 28 24.59         21.4 wLEB044F51
         K15B00L  C2015 01 17.44353210 20 03.82 +02 28 41.1          20.1 RtEB044H01
         K15B00L  C2015 01 17.45068210 20 05.82 +02 28 13.2          20.0 RtEB044H01
         K15B00L  C2015 01 17.45888810 20 08.11 +02 27 41.4          20.2 RtEB044H01
         K15B00L  C2015 01 17.46419810 20 09.61 +02 27 20.6          20.1 RtEB044H01
         K15B00L KC2015 01 18.35647 10 24 44.26 +01 28 47.9          20.4 RoEB044291
         K15B00L KC2015 01 18.35768 10 24 44.58 +01 28 43.0                oEB044291
         K15B00L KC2015 01 18.35891 10 24 44.95 +01 28 38.6          20.4 RoEB044291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  Measurer T. H. Bressi.
        1.8-m f/2.7 reflector + 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.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    
    Orbital elements:
    2015 BL                                                  Earth MOID = 0.0731 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 329.81140              (2000.0)            P               Q
    n   0.43714825     Peri.  227.80426     -0.88574708     -0.46097158
    a   1.7194263      Node   284.67956     +0.44071488     -0.79843045
    e   0.3902183      Incl.    3.22265     +0.14567945     -0.38731643
    P   2.25           H   23.7           G   0.15           U   8
    Residuals in seconds of arc
    150116 F51  0.3-  0.5+    150117 H01  0.1+  0.1-    150118 291  0.2+  0.1-
    150116 F51  0.2+  0.5-    150117 H01  0.0   0.1-    150118 291  0.2-  0.2-
    150116 F51  0.1-  0.1-    150117 H01  0.2-  0.0     150118 291  0.1+  0.3+
    150116 F51  0.2+  0.0     150117 H01  0.1-  0.1-
    
    Ephemeris:
    2015 BL                  a,e,i = 1.72, 0.39, 3                   q = 1.0485
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 19    08 29 28.2 +21 38 58   0.2682  1.2075   142.3    29.9    22.5
    ...
    2015 01 03    09 17 27.9 +14 45 47   0.1882  1.1423   144.8    29.7    21.7
    ...
    2015 01 11    09 49 42.4 +08 47 16   0.1565  1.1130   143.4    31.8    21.3
    ...
    2015 01 17    10 17 51.1 +02 57 51   0.1383  1.0940   140.5    34.9    21.0
    2015 01 18    10 22 53.4 +01 52 58   0.1357  1.0912   139.9    35.5    21.0
    2015 01 19    10 28 01.7 +00 46 19   0.1333  1.0884   139.2    36.2    21.0
    ...
    2015 01 25    11 00 50.9 -06 23 19   0.1222  1.0735   134.4    41.0    20.9
    ...
    2015 02 02    11 48 52.3 -16 22 11   0.1159  1.0587   126.7    48.3    21.0
    ...
    2015 02 17    13 18 43.7 -30 46 24   0.1251  1.0485   115.7    58.1    21.4
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B44
    

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