• MPC Preparation (Info)

  • MPEC 2017-S126: 2017 SR11

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    M.P.E.C. 2017-S126                               Issued 2017 Sept. 25, 20:12 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
    
                                       2017 SR11
    
    Observations:
         K17S11R* C2017 09 19.55447 01 38 26.886+13 41 35.81         22.3 wLES126F51
         K17S11R  C2017 09 19.56721 01 38 27.827+13 40 53.64         22.2 wLES126F51
         K17S11R  C2017 09 19.57994 01 38 28.768+13 40 11.45         22.0 wLES126F51
         K17S11R KC2017 09 20.30143701 39 33.93 +13 00 01.2          22.1 VuES126H21
         K17S11R KC2017 09 20.31056001 39 34.61 +12 59 30.4          22.2 VuES126H21
         K17S11R KC2017 09 20.32028901 39 35.32 +12 58 57.9          22.4 VuES126H21
         K17S11R KC2017 09 23.27741301 43 41.26 +10 07 54.4          22.0 VuES126H21
         K17S11R KC2017 09 23.28349601 43 41.64 +10 07 32.4          22.1 VuES126H21
         K17S11R KC2017 09 23.29059001 43 42.11 +10 07 06.9          22.1 VuES126H21
         K17S11R KC2017 09 25.33370 01 46 17.04 +08 03 09.7          20.4 RoES126291
         K17S11R KC2017 09 25.34865 01 46 17.91 +08 02 14.5          20.0 RoES126291
         K17S11R KC2017 09 25.36361 01 46 18.75 +08 01 19.2                oES126291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, 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:
    2017 SR11                                                Earth MOID = 0.1853 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 345.86084              (2000.0)            P               Q
    n   0.61329096     Peri.  183.49938     +0.99084957     -0.13396229
    a   1.3720134      Node   184.30480     +0.12854928     +0.97384509
    e   0.1346997      Incl.   12.67412     +0.04113645     +0.18352069
    P   1.61           H   23.9           G   0.15           U   6
    Residuals in seconds of arc
    170919 F51  0.1-  0.0     170920 H21  0.2+  0.3-    170923 H21  0.1-  0.1-
    170919 F51  0.0   0.0     170920 H21  0.2+  0.2-    170925 291  0.1-  0.1-
    170919 F51  0.0   0.0     170923 H21  0.0   0.3+    170925 291  0.2+  0.0
    170920 H21  0.1+  0.1-    170923 H21  0.2-  0.0     170925 291  0.0   0.0
    
    Ephemeris:
    2017 SR11                a,e,i = 1.37, 0.13, 13                  q = 1.1872
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 26    00 50 32.6 +28 00 20   0.2827  1.2014   126.8    42.3    23.2
    ...
    2017 09 10    01 22 09.7 +21 13 00   0.2317  1.1913   138.9    33.8    22.5
    ...
    2017 09 18    01 36 05.1 +15 05 11   0.2121  1.1884   147.0    27.4    22.1
    ...
    2017 09 24    01 44 36.8 +09 24 56   0.2023  1.1873   153.2    22.4    21.9
    2017 09 25    01 45 52.0 +08 24 02   0.2011  1.1873   154.2    21.6    21.8
    2017 09 26    01 47 04.2 +07 22 13   0.2001  1.1872   155.1    20.8    21.8
    ...
    2017 10 02    01 53 17.0 +00 59 23   0.1970  1.1875   159.6    17.1    21.7
    ...
    2017 10 10    01 59 01.6 -07 23 09   0.2011  1.1896   160.0    16.7    21.7
    ...
    2017 10 25    02 03 57.3 -19 25 28   0.2316  1.1980   148.5    25.7    22.3
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S126
    

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