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  • MPEC 2015-B55 : 2015 AA246

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    M.P.E.C. 2015-B55                                Issued 2015 Jan. 19, 14:46 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 AA246
    
    Observations:
         K15AO6A* C2015 01 15.33021 03 46 44.011+11 57 04.10         21.8 wLEB055F51
         K15AO6A  C2015 01 15.34188 03 46 43.393+11 57 10.45         21.8 wLEB055F51
         K15AO6A  C2015 01 15.35361 03 46 42.781+11 57 16.80         21.9 wLEB055F51
         K15AO6A  C2015 01 15.36535 03 46 42.139+11 57 22.95         21.7 wLEB055F51
         K15AO6A  C2015 01 16.18136303 46 02.40 +12 04 45.1          21.3 RtEB055H01
         K15AO6A  C2015 01 16.18497403 46 02.21 +12 04 46.7          21.2 RtEB055H01
         K15AO6A  C2015 01 16.19954603 46 01.47 +12 04 54.8          21.2 RtEB055H01
         K15AO6A  C2015 01 16.20446903 46 01.22 +12 04 57.7          21.6 RtEB055H01
         K15AO6A _C2015 01 16.43186503 45 50.189+12 07 04.17         21.2 RtEB055568
         K15AO6A _C2015 01 16.43316403 45 50.124+12 07 04.92         21.2 RtEB055568
         K15AO6A KC2015 01 17.12139903 45 18.93 +12 13 25.3          20.8 VuEB055H21
         K15AO6A KC2015 01 17.13391203 45 18.31 +12 13 32.5          21.0 VuEB055H21
         K15AO6A KC2015 01 17.14635703 45 17.71 +12 13 39.3          21.1 VuEB055H21
         K15AO6A  C2015 01 17.18937303 45 15.82 +12 14 04.2          21.2 RtEB055H01
         K15AO6A  C2015 01 17.19283303 45 15.65 +12 14 06.1          21.0 RtEB055H01
         K15AO6A  C2015 01 17.19897003 45 15.36 +12 14 09.4          21.3 RtEB055H01
         K15AO6A  C2015 01 17.21538403 45 14.57 +12 14 18.6          21.3 RtEB055H01
         K15AO6A  C2015 01 17.30231 03 45 10.853+12 15 09.65         21.5 wLEB055F51
         K15AO6A  C2015 01 17.31609 03 45 10.197+12 15 17.43         21.6 wLEB055F51
         K15AO6A  C2015 01 17.32993 03 45 09.535+12 15 25.34         21.7 wLEB055F51
         K15AO6A  C2015 01 17.34376 03 45 08.886+12 15 32.99         21.8 wLEB055F51
         K15AO6A KC2015 01 18.26965 03 44 29.18 +12 24 16.6          22.2 RoEB055291
         K15AO6A KC2015 01 18.27543 03 44 28.91 +12 24 19.7          22.0 RoEB055291
         K15AO6A KC2015 01 18.28121 03 44 28.65 +12 24 23.1          22.0 RoEB055291
         K15AO6A KC2015 01 19.19903 03 43 52.25 +12 33 14.0          21.3 RoEB055291
         K15AO6A KC2015 01 19.20481 03 43 52.02 +12 33 17.3          21.2 RoEB055291
         K15AO6A KC2015 01 19.21059 03 43 51.80 +12 33 20.7          21.3 RoEB055291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  Measurers T. H. Bressi,
        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.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, T. Linder.  0.81-m f/4.0 astrograph + CCD.
    
    Orbital elements:
    2015 AA246                                               Earth MOID = 0.1359 AU
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5                  MPC
    M 320.08090              (2000.0)            P               Q
    n   0.26103577     Peri.   78.16504     -0.97469952     +0.10941370
    a   2.4247634      Node   107.87806     -0.17047853     -0.92786693
    e   0.6110851      Incl.   11.81769     +0.14456113     -0.35649909
    P   3.78           H   19.2           G   0.15           U   7
    Residuals in seconds of arc
    150115 F51  0.2-  0.1-    150116 568  0.0   0.2-    150117 F51  0.0   0.1-
    150115 F51  0.1-  0.0     150117 H21  0.2+  0.2-    150117 F51  0.0   0.1+
    150115 F51  0.2+  0.1+    150117 H21  0.1-  0.1+    150117 F51  0.1+  0.1+
    150115 F51  0.1-  0.0     150117 H21  0.2-  0.1-    150118 291  0.1+  0.2+
    150116 H01  0.1+  0.1-    150117 H01  0.0   0.1-    150118 291  0.1-  0.0
    150116 H01  0.0   0.4-    150117 H01  0.1-  0.1-    150118 291  0.3-  0.2+
    150116 H01  0.0   0.3-    150117 H01  0.0   0.2-    150119 291  0.2-  0.1-
    150116 H01  0.1-  0.1-    150117 H01  0.2-  0.2-    150119 291  0.1-  0.1-
    150116 568  0.0   0.2-    150117 F51  0.0   0.1-    150119 291  0.2+  0.1-
    
    Ephemeris:
    2015 AA246               a,e,i = 2.42, 0.61, 12                  q = 0.9430
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 12 20    04 22 43.3 +09 15 34   0.9802  1.9165   154.7    12.7    21.3
    ...
    2015 01 04    03 59 12.9 +10 28 34   0.9526  1.7943   135.9    22.4    21.4
    ...
    2015 01 12    03 49 47.8 +11 28 17   0.9548  1.7278   126.1    27.4    21.5
    ...
    2015 01 18    03 44 40.8 +12 21 45   0.9614  1.6775   119.2    30.8    21.6
    2015 01 19    03 44 00.2 +12 31 21   0.9629  1.6690   118.0    31.4    21.6
    2015 01 20    03 43 22.7 +12 41 08   0.9644  1.6606   116.9    31.9    21.6
    ...
    2015 01 26    03 40 43.2 +13 43 32   0.9744  1.6098   110.5    34.9    21.6
    ...
    2015 02 03    03 40 05.5 +15 15 54   0.9888  1.5417   102.7    38.6    21.7
    ...
    2015 02 18    03 47 33.4 +18 32 32   1.0112  1.4140    90.0    44.3    21.7
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-B55
    

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