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  • MPEC 2017-S139: 2017 SE12

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    M.P.E.C. 2017-S139                               Issued 2017 Sept. 25, 21:06 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 SE12
    
    Observations:
         K17S12E* C2017 09 22.33041 22 30 33.265-03 11 30.86         20.6 wLES139F51
         K17S12E  C2017 09 22.35421 22 30 50.340-03 13 11.35         20.4 wLES139F51
         K17S12E  C2017 09 22.36610 22 30 58.848-03 14 01.25         20.6 wLES139F51
         K17S12E KC2017 09 22.83625822 37 07.23 -03 46 13.6          20.9  UES139B04
         K17S12E KC2017 09 22.84969322 37 16.04 -03 47 02.9          20.3  UES139B04
         K17S12E KC2017 09 22.85884 22 37 21.40 -03 47 31.4          20.4 RqES139104
         K17S12E KC2017 09 22.87842 22 37 34.01 -03 48 42.9                qES139104
         K17S12E |C2017 09 23.05341 22 39 41.60 -03 53 58.6          20.9 VuES139807
         K17S12E |C2017 09 23.05891 22 39 44.93 -03 54 17.7          20.8 VuES139807
         K17S12E |C2017 09 23.06424 22 39 48.15 -03 54 36.5          21.0 VuES139807
         K17S12E  C2017 09 23.13164 22 40 36.92 -04 02 40.8          20.3 RoES139926
         K17S12E  C2017 09 23.13513 22 40 39.07 -04 02 52.1          20.4 RoES139926
         K17S12E  C2017 09 23.13861 22 40 41.18 -04 03 03.9          20.2 RoES139926
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
        M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
    B04 OAVdA, Saint-Barthelemy.  Observers A. Carbognani, L. Buzzi, M. Collotti,
        M. Wolter.  0.81-m f/4.7 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.
    
    Orbital elements:
    2017 SE12                                                Earth MOID = 0.0057 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  44.50337              (2000.0)            P               Q
    n   0.84144014     Peri.   87.47067     -0.00445479     +0.99998811
    a   1.1111872      Node   182.27693     -0.93619140     -0.00486853
    e   0.2565023      Incl.    2.86506     -0.35146239     +0.00029345
    P   1.17           H   26.9           G   0.15           U   7
    Residuals in seconds of arc
    170922 F51  0.3+  0.3-    170922 104  0.3-  0.0     170923 926  0.6-  0.4-
    170922 F51  0.3-  0.1+    170922 104  0.1+  0.3-    170923 926  0.0   0.3+
    170922 F51  0.0   0.2+    170923 807  0.1-  0.2-    170923 926  0.3+  0.4+
    170922 B04  0.1+  0.0     170923 807  0.1+  0.0
    170922 B04  0.3+  0.1+    170923 807  0.3+  0.1-
    
    Ephemeris:
    2017 SE12                a,e,i = 1.11, 0.26, 3                   q = 0.8262
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 26    12 23 07.5 +12 03 19   0.1073  0.9198    30.5   146.1    29.6
    ...
    2017 09 10    13 31 45.1 +15 54 44   0.03344 0.9800    35.7   143.1    26.8
    ...
    2017 09 18    20 17 46.8 +08 09 15   0.01502 1.0142   128.2    51.2    19.7
    ...
    2017 09 24    22 49 13.1 -04 44 02   0.03908 1.0402   160.8    18.5    20.9
    2017 09 25    22 57 23.2 -05 23 51   0.04376 1.0445   161.6    17.7    21.1
    2017 09 26    23 04 02.2 -05 55 21   0.04850 1.0489   162.0    17.2    21.3
    ...
    2017 10 02    23 27 25.0 -07 33 18   0.07806 1.0748   160.4    18.2    22.5
    ...
    2017 10 10    23 41 57.2 -08 05 38   0.1200  1.1088   155.4    22.0    23.6
    ...
    2017 10 25    23 58 12.8 -07 23 51   0.2077  1.1699   144.6    29.5    25.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S139
    

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