• MPC Preparation (Info)

  • MPEC 2015-B57 : 2015 AC246

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2015-B56 Read MPEC 2015-B58


    M.P.E.C. 2015-B57                                Issued 2015 Jan. 19, 15:15 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 AC246
    
    Observations:
         K15AO6C* C2015 01 15.43039 09 54 08.341+00 54 53.92         22.3 wLEB057F51
         K15AO6C  C2015 01 15.44231 09 54 08.294+00 54 17.85         22.4 wLEB057F51
         K15AO6C  C2015 01 15.46624 09 54 08.211+00 53 06.31         22.4 wLEB057F51
         K15AO6C KC2015 01 16.22942809 54 13.31 +00 15 13.4          21.3 RtEB057W86
         K15AO6C KC2015 01 16.23628509 54 13.25 +00 14 52.5          21.9 RtEB057W86
         K15AO6C KC2015 01 16.24170309 54 13.23 +00 14 36.0          21.7 RtEB057W86
         K15AO6C KC2015 01 16.32855509 54 13.21 +00 09 34.0          22.6 VuEB057H21
         K15AO6C KC2015 01 16.34211709 54 13.15 +00 08 52.8          22.1 VuEB057H21
         K15AO6C KC2015 01 16.35546109 54 13.08 +00 08 12.2          22.2 VuEB057H21
         K15AO6C _C2015 01 16.57128509 54 13.635-00 02 36.10         21.9 RtEB057568
         K15AO6C _C2015 01 16.57258709 54 13.623-00 02 40.04         21.7 RtEB057568
         K15AO6C _C2015 01 16.57390209 54 13.616-00 02 44.15         21.7 RtEB057568
         K15AO6C KC2015 01 19.41290 09 54 12.22 -02 31 04.8          21.5 RoEB057291
         K15AO6C KC2015 01 19.41969 09 54 12.10 -02 31 26.5          21.6 RoEB057291
         K15AO6C KC2015 01 19.42653 09 54 11.96 -02 31 49.3                oEB057291
    
    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, A. Draginda.  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.  1.3-m f/4.0
        astrograph + CCD.
    W86 Cerro Tololo-LCOGT B.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2015 AC246                                               Earth MOID = 0.1941 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 301.39413              (2000.0)            P               Q
    n   0.58587635     Peri.  248.74177     -0.98500767     -0.05256846
    a   1.4144863      Node   287.94745     +0.12097114     -0.88950164
    e   0.2101483      Incl.    9.94543     -0.12298732     -0.45389799
    P   1.68           H   23.4           G   0.15           U   7
    Residuals in seconds of arc
    150115 F51  0.1+  0.3+    150116 W86  0.0   0.2-    150116 568  0.1+  0.1+
    150115 F51  0.1-  0.2-    150116 H21  0.1+  0.0     150116 568  0.1+  0.0
    150115 F51  0.1-  0.1-    150116 H21  0.4+  0.1+    150119 291  0.0   0.2+
    150116 W86  0.1+  0.1-    150116 H21  0.5+  0.1+    150119 291  0.1+  0.3+
    150116 W86  0.2-  0.2-    150116 568  0.1+  0.1+    150119 291  0.2-  0.6-
    
    Ephemeris:
    2015 AC246               a,e,i = 1.41, 0.21, 10                  q = 1.1172
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 20    09 33 20.8 +17 37 01   0.4126  1.2790   127.8    37.4    23.5
    ...
    2015 01 04    09 49 03.9 +09 22 54   0.3197  1.2355   136.7    33.1    22.8
    ...
    2015 01 12    09 53 19.3 +03 40 35   0.2794  1.2140   141.2    30.5    22.4
    ...
    2015 01 18    09 54 16.9 -01 16 03   0.2541  1.1987   144.0    28.9    22.1
    2015 01 19    09 54 14.5 -02 08 43   0.2503  1.1962   144.4    28.6    22.0
    2015 01 20    09 54 08.6 -03 02 14   0.2466  1.1938   144.7    28.4    22.0
    ...
    2015 01 26    09 52 20.6 -08 39 33   0.2274  1.1799   146.0    27.8    21.8
    ...
    2015 02 03    09 46 53.0 -16 37 29   0.2090  1.1630   145.0    29.1    21.6
    ...
    2015 02 18    09 29 19.3 -30 49 50   0.1952  1.1377   136.5    36.7    21.6
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B57
    

    Read MPEC 2015-B56 Read MPEC 2015-B58


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)