[Iaude] MPEC S128: 2017 ST11 [a=1.99,e=0.42,i=3.2,H=23.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Sep 25 16:23:17 EDT 2017


M.P.E.C. 2017-S128                               Issued 2017 Sept. 25, 20:19 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 ST11
 
Observations:
     K17S11T* C2017 09 21.41249 23 10 17.593-16 04 05.42         21.4 wLES128F51
     K17S11T  C2017 09 21.42351 23 10 18.832-16 04 11.77         21.3 wLES128F51
     K17S11T  C2017 09 21.43442 23 10 20.059-16 04 18.11         21.3 wLES128F51
     K17S11T  C2017 09 21.44535 23 10 21.306-16 04 24.38         21.6 wLES128F51
     K17S11T KC2017 09 22.18075823 12 01.35 -16 11 48.1          21.4 VuES128H21
     K17S11T |C2017 09 22.18137 23 12 00.55 -16 10 55.0          21.2 VuES128807
     K17S11T |C2017 09 22.18693 23 12 01.19 -16 10 57.7          21.4 VuES128807
     K17S11T KC2017 09 22.19071623 12 02.50 -16 11 53.6          21.5 VuES128H21
     K17S11T |C2017 09 22.19239 23 12 01.84 -16 11 00.7          21.2 VuES128807
     K17S11T KC2017 09 22.20209723 12 03.83 -16 12 00.2          21.5 VuES128H21
     K17S11T KC2017 09 22.29564723 12 14.14 -16 11 56.8          21.0 GUES128W85
     K17S11T KC2017 09 22.29664823 12 14.25 -16 11 57.1          20.6 GUES128W85
     K17S11T IC2017 09 22.30165723 12 14.85 -16 11 59.9                UES128W85
     K17S11T IC2017 09 22.30768523 12 15.60 -16 12 02.9                UES128W85
     K17S11T KC2017 09 22.30868623 12 15.75 -16 12 02.9          20.3 GUES128W85
     K17S11T _C2017 09 22.32853223 12 22.287-16 12 59.03         21.0 GUES128568
     K17S11T _C2017 09 22.32947623 12 22.393-16 12 59.62         21.2 GUES128568
     K17S11T  C2017 09 23.23110 23 14 26.13 -16 21 28.0          21.5 RoES128926
     K17S11T  C2017 09 23.24409 23 14 27.76 -16 21 35.5          21.3 RoES128926
     K17S11T  C2017 09 23.25706 23 14 29.32 -16 21 42.6          21.2 RoES128926
 
Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. Weryk.  3.6-m Canada-France-Hawaii Telescope + 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.
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.
W85 Cerro Tololo-LCO A.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 ST11                                                Earth MOID = 0.1547 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 345.78359              (2000.0)            P               Q
n   0.35079987     Peri.  229.47667     +0.95120602     -0.30717840
a   1.9911154      Node   148.38092     +0.29723072     +0.88685571
e   0.4238249      Incl.    3.18514     +0.08283124     +0.34514979
P   2.81           H   23.9           G   0.15           U   8
Residuals in seconds of arc
170921 F51  0.0   0.0     170922 H21  0.2+  0.3-    170922 W85  0.6-  0.2-
170921 F51  0.0   0.1+    170922 807  0.3+  0.1+    170922 568  0.4+  0.2+
170921 F51  0.0   0.1+    170922 H21  0.1-  0.3-    170922 568  0.4+  0.2+
170921 F51  0.2+  0.2+    170922 W85  0.5-  0.8-    170923 926  0.3-  0.8+
170922 H21  0.7+  0.6-    170922 W85  0.7-  0.6-    170923 926  0.5+  0.5+
170922 807  0.3+  0.4-    170922 W85  1.0-  0.8-    170923 926  0.4+  0.6+
170922 807  0.2+  0.0     170922 W85  0.9-  0.7-

Ephemeris:
2017 ST11                a,e,i = 1.99, 0.42, 3                   q = 1.1472
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 26    22 31 24.4 -10 47 10   0.2444  1.2547   176.9     2.5    21.6
...
2017 09 10    22 49 11.0 -13 48 10   0.1975  1.2017   169.4     8.8    21.4
...
2017 09 18    23 03 08.5 -15 26 57   0.1814  1.1799   163.5    14.0    21.4
...
2017 09 24    23 16 13.9 -16 27 36   0.1731  1.1670   159.6    17.5    21.3
2017 09 25    23 18 38.7 -16 35 50   0.1720  1.1651   159.0    18.0    21.3
2017 09 26    23 21 07.3 -16 43 26   0.1710  1.1634   158.4    18.5    21.3
...
2017 10 02    23 37 17.1 -17 13 26   0.1669  1.1547   155.3    21.3    21.4
...
2017 10 10    00 01 35.5 -17 04 30   0.1662  1.1482   152.2    24.0    21.4
...
2017 10 25    00 49 48.0 -14 04 31   0.1800  1.1524   149.0    26.4    21.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S128




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