• MPC Preparation (Info)

    • MPEC 2017-S148: 2017 SP12

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    M.P.E.C. 2017-S148                               Issued 2017 Sept. 25, 21:50 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 SP12

Observations:
     K17S12P* C2017 09 23.52872 03 34 25.321-40 08 42.75         18.9 wLES148F51
     K17S12P  C2017 09 23.53645 03 34 19.149-40 08 10.73         18.8 wLES148F51
     K17S12P  C2017 09 23.54431 03 34 12.849-40 07 37.76         18.9 wLES148F51
     K17S12P  C2017 09 23.55205 03 34 06.693-40 07 05.51         18.9 wLES148F51
     K17S12P |C2017 09 24.25856 03 25 12.87 -39 16 10.1          19.0 VuES148807
     K17S12P |C2017 09 24.26003 03 25 11.70 -39 16 03.9          19.2 VuES148807
     K17S12P |C2017 09 24.26116 03 25 10.87 -39 15 58.9          19.2 VuES148807
     K17S12P _C2017 09 24.53458903 21 49.965-38 56 41.44         18.8 GUES148568
     K17S12P _C2017 09 24.53530103 21 49.433-38 56 38.37         18.8 GUES148568
     K17S12P _C2017 09 24.53601403 21 48.899-38 56 35.26         18.8 GUES148568
     K17S12P KC2017 09 24.58725 03 21 13.49 -38 52 10.9          19.5 VqES148E23
     K17S12P KC2017 09 24.59743 03 21 06.00 -38 51 26.8          18.7 VqES148E23
     K17S12P KC2017 09 24.60762 03 20 58.45 -38 50 43.4          19.1 VqES148E23
     K17S12P  C2017 09 25.52958 03 10 12.757-37 43 13.90         19.1 wLES148F51
     K17S12P  C2017 09 25.53930 03 10 05.984-37 42 30.52         19.1 wLES148F51
     K17S12P KC2017 09 25.55458 03 09 57.82 -37 40 39.3          19.0 VqES148E23
     K17S12P  C2017 09 25.55876 03 09 52.420-37 41 03.50         19.0 wLES148F51
     K17S12P KC2017 09 25.56477 03 09 50.81 -37 39 55.2          19.0 VqES148E23
     K17S12P KC2017 09 25.57495 03 09 43.84 -37 39 09.8          19.1 VqES148E23

Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 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 SP12                                                Earth MOID = 0.1115 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M  15.53748              (2000.0)            P               Q
n   0.40547826     Peri.  223.97452     +0.04330287     +0.98743121
a   1.8078303      Node    49.12215     -0.85210758     +0.11593209
e   0.6229953      Incl.   11.59731     -0.52157217     -0.10742139
P   2.43           H   20.4           G   0.15           U   8
Residuals in seconds of arc
170923 F51  0.1+  0.1+    170924 568  0.1-  0.1+    170925 F51  0.1-  0.1+
170923 F51  0.1+  0.1-    170924 568  0.1-  0.1+    170925 E23  0.3+  0.0
170923 F51  0.2-  0.1+    170924 568  0.1-  0.1+    170925 F51  0.0   0.0
170923 F51  0.1+  0.0     170924 E23  0.4+  0.3-    170925 E23  0.3+  0.5-
170924 807  0.1-  0.3-    170924 E23  0.6+  0.2+    170925 E23  0.7+  0.4+
170924 807  0.7-  0.4-    170924 E23  0.2+  0.1-
170924 807  0.4-  0.2-    170925 F51  0.2-  0.0

Ephemeris:
2017 SP12                a,e,i = 1.81, 0.62, 12                  q = 0.6816
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 26    09 49 31.2 -28 29 12   0.2605  0.8268    39.6   128.8    22.7
...
2017 09 10    07 17 03.0 -44 39 27   0.1834  0.9673    72.4    97.2    20.1
...
2017 09 18    04 58 19.4 -45 15 05   0.1780  1.0477    99.0    71.3    19.3
...
2017 09 24    03 28 24.8 -39 34 44   0.1934  1.1088   118.6    52.6    19.0
2017 09 25    03 16 17.8 -38 21 59   0.1975  1.1190   121.5    49.8    19.0
2017 09 26    03 04 59.9 -37 07 26   0.2020  1.1291   124.4    47.1    19.0
...
2017 10 02    02 12 05.4 -29 41 43   0.2368  1.1901   139.1    33.4    19.0
...
2017 10 10    01 29 25.9 -21 22 53   0.3007  1.2705   151.2    22.2    19.4
...
2017 10 25    00 52 01.8 -11 09 06   0.4606  1.4169   151.7    19.4    20.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S148

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