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  • MPEC 2015-R54 : 2015 RY2

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    M.P.E.C. 2015-R54                                Issued 2015 Sept. 12, 02:42 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 RY2
    
    Observations:
         K15R02Y* C2015 09 05.32283 20 53 45.280-20 37 22.80         20.9 wLER054F51
         K15R02Y  C2015 09 05.33385 20 53 46.742-20 36 58.29         20.8 wLER054F51
         K15R02Y  C2015 09 05.35587 20 53 49.674-20 36 09.48         20.8 wLER054F51
         K15R02Y KC2015 09 07.17743920 58 07.78 -19 31 43.6          21.5 VuER054H21
         K15R02Y KC2015 09 07.18559220 58 08.77 -19 31 26.9          21.8 VuER054H21
         K15R02Y KC2015 09 07.19387020 58 09.82 -19 31 10.2          21.5 VuER054H21
         K15R02Y KC2015 09 07.20201120 58 10.81 -19 30 53.8          21.8 VuER054H21
         K15R02Y KC2015 09 07.20907920 58 11.73 -19 30 39.5          21.8 VuER054H21
         K15R02Y |C2015 09 11.14080 21 06 28.77 -17 28 59.8          21.2 VuER054807
         K15R02Y |C2015 09 11.14686 21 06 29.37 -17 28 49.8          21.6 VuER054807
         K15R02Y |C2015 09 11.15340 21 06 30.07 -17 28 38.6          21.5 VuER054807
         K15R02Y |C2015 09 12.06695 21 08 17.15 -17 03 31.7          21.1 VuER054807
         K15R02Y |C2015 09 12.06994 21 08 17.45 -17 03 26.8          21.1 VuER054807
         K15R02Y |C2015 09 12.07346 21 08 17.82 -17 03 20.9          21.4 VuER054807
         K15R02Y |C2015 09 12.08017 21 08 18.51 -17 03 10.4          21.2 VuER054807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + 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. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
        astrograph + CCD.
    
    Orbital elements:
    2015 RY2                                                 Earth MOID = 0.0633 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M 359.94327              (2000.0)            P               Q
    n   0.42081948     Peri.  277.61549     -0.17430054     +0.98423420
    a   1.7636219      Node   342.26093     -0.86010613     -0.16702904
    e   0.4700260      Incl.    5.65809     -0.47941294     -0.05817501
    P   2.34           H   22.2           G   0.15           U   7
    Residuals in seconds of arc
    150905 F51  0.1+  0.0     150907 H21  0.0   0.1+    150911 807  0.2-  0.0
    150905 F51  0.0   0.1+    150907 H21  0.4-  0.2-    150912 807  0.1+  0.1-
    150905 F51  0.1-  0.1-    150907 H21  0.1+  0.3-    150912 807  0.1-  0.0
    150907 H21  0.3+  0.2+    150911 807  0.6+  0.1+    150912 807  0.0   0.2+
    150907 H21  0.1-  0.3+    150911 807  0.1-  0.1-    150912 807  0.2-  0.1-
    
    Ephemeris:
    2015 RY2                 a,e,i = 1.76, 0.47, 6                   q = 0.9347
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 08 13    18 15 21.5 -48 29 48   0.1131  1.0869   128.2    47.1    19.4
    ...
    2015 08 28    20 27 42.8 -27 06 24   0.1939  1.1786   147.6    27.3    20.2
    ...
    2015 09 05    20 52 56.7 -20 49 07   0.2545  1.2313   147.8    25.9    20.9
    ...
    2015 09 11    21 06 12.4 -17 33 06   0.3054  1.2717   146.1    26.2    21.3
    2015 09 12    21 08 09.0 -17 05 28   0.3143  1.2785   145.7    26.4    21.4
    2015 09 13    21 10 02.2 -16 39 01   0.3233  1.2854   145.3    26.5    21.5
    ...
    2015 09 19    21 20 26.1 -14 21 24   0.3800  1.3265   142.5    27.5    21.9
    ...
    2015 09 27    21 32 47.1 -11 58 49   0.4620  1.3816   138.2    28.9    22.5
    ...
    2015 10 12    21 54 08.3 -08 41 39   0.6346  1.4846   129.4    31.3    23.4
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-R54
    

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