[Iaude] MPEC S204: 2017 SR17 [a=2.53,e=0.90,i=28.6,H=18.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Sep 28 18:03:16 EDT 2017


M.P.E.C. 2017-S204                               Issued 2017 Sept. 28, 21:59 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 SR17
 
Observations:
     K17S17R* C2017 09 25.56803 04 00 15.489-24 52 30.22         20.6 wLES204F51
     K17S17R  C2017 09 25.57988 04 00 16.833-24 53 08.56         20.6 wLES204F51
     K17S17R  C2017 09 25.59170 04 00 18.165-24 53 46.69         20.5 wLES204F51
     K17S17R  C2017 09 25.60351 04 00 19.514-24 54 24.73         20.6 wLES204F51
     K17S17R KC2017 09 27.03812004 03 13.27 -26 13 29.0          20.3 GUES204K91
     K17S17R KC2017 09 27.04289204 03 13.83 -26 13 45.2          20.0 GUES204K91
     K17S17R KC2017 09 27.04766904 03 14.40 -26 14 01.4          20.3 GUES204K91
     K17S17R |C2017 09 27.27442 04 03 42.65 -26 26 57.6          20.5 VuES204807
     K17S17R |C2017 09 27.27701 04 03 42.94 -26 27 06.7          20.7 VuES204807
     K17S17R |C2017 09 27.27949 04 03 43.24 -26 27 15.6          20.4 VuES204807
     K17S17R  C2017 09 27.46154 04 04 05.67 -26 37 54.1          20.5 RoES204926
     K17S17R  C2017 09 27.46947 04 04 06.61 -26 38 22.0          20.2 RoES204926
     K17S17R  C2017 09 27.47742 04 04 07.60 -26 38 49.2          20.3 RoES204926
     K17S17R  C2017 09 28.45690 04 06 12.46 -27 36 27.0          19.7 VqES204I52
     K17S17R  C2017 09 28.45766 04 06 12.52 -27 36 29.4          20.1 VqES204I52
     K17S17R  C2017 09 28.46402 04 06 13.32 -27 36 52.5          20.4 VqES204I52
     K17S17R  C2017 09 28.46492 04 06 13.49 -27 36 54.9          21.1 VqES204I52
 
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
    R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
K91 Sutherland-LCO A.  Observers T. Lister, S. Greenstreet, E. Gomez.
    Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.
 
Orbital elements:
2017 SR17                                                Earth MOID = 0.3756 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 337.31149              (2000.0)            P               Q
n   0.24429930     Peri.    5.51897     -0.94318175     -0.26892875
a   2.5342798      Node   155.91559     +0.28362866     -0.95756509
e   0.8975573      Incl.   28.56955     +0.17309815     +0.10366496
P   4.03           H   18.8           G   0.15           U   8
Residuals in seconds of arc
170925 F51  0.0   0.1+    170927 K91  0.1+  0.2+    170927 926  0.4+  0.3+
170925 F51  0.0   0.0     170927 807  0.0   0.0     170928 I52  0.1+  0.4-
170925 F51  0.1-  0.1-    170927 807  0.3-  0.1-    170928 I52  0.4-  0.1-
170925 F51  0.1+  0.1-    170927 807  0.3-  0.5-    170928 I52  0.3-  0.3-
170927 K91  0.2+  0.1-    170927 926  0.1+  0.4+    170928 I52  0.5+  0.6+
170927 K91  0.1+  0.0     170927 926  0.1-  0.0

Ephemeris:
2017 SR17                a,e,i = 2.53, 0.90, 29                  q = 0.2596
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 29    03 17 08.2 -09 30 56   1.2945  1.8864   109.3    30.4    22.0
...
2017 09 13    03 38 40.2 -15 56 10   0.9850  1.6917   116.3    32.2    21.3
...
2017 09 21    03 51 46.4 -21 07 25   0.8351  1.5813   118.3    34.0    20.8
...
2017 09 27    04 03 08.2 -26 11 18   0.7321  1.4951   118.3    36.2    20.5
2017 09 28    04 05 13.6 -27 09 05   0.7158  1.4805   118.1    36.7    20.4
2017 09 29    04 07 23.4 -28 09 06   0.6999  1.4657   117.8    37.2    20.4
...
2017 10 05    04 22 22.9 -35 01 11   0.6109  1.3752   115.1    41.2    20.0
...
2017 10 13    04 52 14.1 -46 47 12   0.5139  1.2488   107.0    49.8    19.7
...
2017 10 28    08 14 11.1 -71 39 38   0.4268  0.9910    77.2    77.9    19.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S204




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