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  • MPEC 2017-S18 : 2017 SA

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    M.P.E.C. 2017-S18                                Issued 2017 Sept. 17, 16:17 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 SA
    
    Observations:
         K17S00A  C2017 08 20.58978 01 35 21.812+01 16 12.72         22.4 wLES018F51
         K17S00A  C2017 08 20.60871 01 35 21.519+01 16 10.16         22.1 wLES018F51
         K17S00A  C2017 08 20.61816 01 35 21.394+01 16 09.11         22.3 wLES018F51
         K17S00A  C2017 08 31.57000 01 30 27.912+00 38 07.85         22.1 wLES018F51
         K17S00A  C2017 08 31.58276 01 30 27.211+00 38 04.35         22.7 wLES018F51
         K17S00A  C2017 08 31.59559 01 30 26.528+00 38 00.87         22.3 wLES018F51
         K17S00A* C2017 09 16.49759 01 13 10.166-00 45 50.87         22.1 wLES018F51
         K17S00A  C2017 09 16.55718 01 13 05.031-00 46 10.37         21.9 wLES018F51
         K17S00A  C2017 09 16.57175 01 13 03.783-00 46 15.00         22.0 wLES018F51
         K17S00A  C2017 09 16.58629 01 13 02.545-00 46 19.77         22.3 wLES018F51
         K17S00A KC2017 09 17.30947601 12 05.68 -00 50 20.2          22.0 VuES018H21
         K17S00A KC2017 09 17.32245301 12 04.56 -00 50 24.6          22.1 VuES018H21
         K17S00A KC2017 09 17.33867501 12 03.17 -00 50 29.7          22.3 VuES018H21
    
    Observer details:
    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.  0.81-m f/4.0
        astrograph + CCD, 1.3-m f/4.0 astrograph + CCD.
    
    Orbital elements:
    2017 SA                                                  Earth MOID = 0.0887 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  18.07353              (2000.0)            P               Q
    n   0.25834623     Peri.  203.46556     +0.33092949     +0.94257441
    a   2.4415632      Node    85.88437     -0.85845787     +0.32057701
    e   0.5481602      Incl.    2.59489     -0.39183640     +0.09372231
    P   3.82           H   22.0           G   0.15           U   4
    Residuals in seconds of arc
    170820 F51  0.0   0.0     170831 F51  0.0   0.0     170917 H21  0.1-  0.1+
    170820 F51  0.1-  0.1-    170916 F51  0.1+  0.0     170917 H21  0.3-  0.1-
    170820 F51  0.1+  0.1+    170916 F51  0.0   0.1-    170917 H21  0.3-  0.0
    170831 F51  0.1+  0.0     170916 F51  0.0   0.1+
    170831 F51  0.1-  0.0     170916 F51  0.1+  0.0
    
    Ephemeris:
    2017 SA                  a,e,i = 2.44, 0.55, 3                   q = 1.1032
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 18    01 35 24.5 +01 21 03   0.3976  1.2690   122.1    42.5    22.2
    ...
    2017 09 02    01 29 19.7 +00 31 35   0.4300  1.3592   138.0    29.8    22.1
    ...
    2017 09 10    01 21 16.5 -00 09 55   0.4539  1.4114   147.6    22.5    22.1
    ...
    2017 09 16    01 13 49.4 -00 43 01   0.4768  1.4519   155.1    16.9    22.1
    2017 09 17    01 12 30.4 -00 48 28   0.4811  1.4588   156.4    16.0    22.1
    2017 09 18    01 11 10.5 -00 53 51   0.4856  1.4657   157.6    15.1    22.1
    ...
    2017 09 24    01 03 03.2 -01 24 14   0.5158  1.5073   165.0     9.9    22.1
    ...
    2017 10 02    00 52 36.5 -01 56 16   0.5659  1.5638   172.6     4.8    22.1
    ...
    2017 10 17    00 37 25.3 -02 19 38   0.6924  1.6714   163.1    10.0    23.0
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S18
    

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