[Iaude] MPEC S144: 2017 SK12 [a=1.74,e=0.63,i=3.4,H=23.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Mon Sep 25 17:31:17 EDT 2017


M.P.E.C. 2017-S144                               Issued 2017 Sept. 25, 21:28 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 SK12
 
Observations:
     K17S12K* C2017 09 22.48336 02 15 57.414-04 00 20.01         21.2 wLES144F51
     K17S12K  C2017 09 22.49580 02 16 02.430-04 00 29.28         20.9 wLES144F51
     K17S12K  C2017 09 22.50822 02 16 07.396-04 00 38.30         21.0 wLES144F51
     K17S12K KC2017 09 23.35048502 22 28.03 -04 10 25.3          20.9 GUES144W85
     K17S12K KC2017 09 23.35593202 22 30.51 -04 10 29.5          20.7 GUES144W85
     K17S12K KC2017 09 23.36134702 22 33.01 -04 10 34.0          20.9 GUES144W85
     K17S12K  C2017 09 23.40953 02 22 57.87 -04 12 21.9          20.4 RoES144926
     K17S12K  C2017 09 23.41310 02 22 59.48 -04 12 24.2          20.8 RoES144926
     K17S12K  C2017 09 23.41666 02 23 01.14 -04 12 27.1          20.8 RoES144926
     K17S12K _C2017 09 23.49822502 23 42.229-04 13 22.06         20.8 GUES144568
     K17S12K _C2017 09 23.49916802 23 42.666-04 13 22.82         20.7 GUES144568
     K17S12K _C2017 09 23.50011702 23 43.106-04 13 23.57         20.7 GUES144568
     K17S12K KC2017 09 24.35885 02 31 15.89 -04 26 00.9                oES144291
     K17S12K KC2017 09 24.36480 02 31 19.02 -04 26 06.4                oES144291
     K17S12K KC2017 09 24.37069 02 31 22.25 -04 26 11.9                oES144291
     K17S12K  C2017 09 25.41120 02 42 00.24 -04 43 11.7          20.6 VqES144I52
     K17S12K  C2017 09 25.41263 02 42 01.10 -04 43 13.7          20.6 VqES144I52
     K17S12K  C2017 09 25.41494 02 42 02.52 -04 43 16.1          20.6 VqES144I52
 
Observer details:
291 LPL/Spacewatch II.  Observer M. T. Read.  1.8-m f/2.7 reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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 D. C. Fuls.  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.
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 SK12                                                Earth MOID = 0.0264 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 326.04159              (2000.0)            P               Q
n   0.43085916     Peri.   58.14961     -0.14442397     -0.98878267
a   1.7361177      Node    40.20962     +0.88676485     -0.14641014
e   0.6263241      Incl.    3.38211     +0.43907837     -0.02954496
P   2.29           H   23.8           G   0.15           U   8
Residuals in seconds of arc
170922 F51  0.0   0.1+    170923 926  0.5+  0.3-    170924 291  0.0   0.2-
170922 F51  0.2+  0.1-    170923 926  0.1-  0.3+    170924 291  1.1-  0.2-
170922 F51  0.4-  0.0     170923 926  0.0   0.2+    170924 291  0.2-  0.3-
170923 W85  0.6+  0.2+    170923 568  0.5+  0.0     170925 I52  1.1+  0.5+
170923 W85  0.2+  0.3+    170923 568  0.5+  0.0     170925 I52  0.2+  0.0
170923 W85  0.3+  0.1+    170923 568  0.5+  0.1+    170925 I52  0.7-  0.1+

Ephemeris:
2017 SK12                a,e,i = 1.74, 0.63, 3                   q = 0.6487
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 26    01 02 04.0 -02 19 26   0.4711  1.3994   138.6    28.5    24.2
...
2017 09 10    01 27 21.1 -02 38 02   0.2809  1.2507   146.4    26.4    22.7
...
2017 09 18    01 51 35.1 -03 17 42   0.1887  1.1686   147.6    27.5    21.7
...
2017 09 24    02 27 58.0 -04 19 58   0.1247  1.1061   143.6    32.6    20.9
2017 09 25    02 37 34.1 -04 35 26   0.1147  1.0956   142.0    34.3    20.7
2017 09 26    02 48 54.1 -04 53 01   0.1049  1.0851   140.0    36.5    20.6
...
2017 10 02    05 09 39.3 -07 17 06   0.05811 1.0222   109.9    67.0    20.0
...
2017 10 10    10 13 33.6 -03 35 10   0.08225 0.9390    41.9   134.8    24.5
...
2017 10 25    12 07 00.4 -00 44 31   0.2423  0.7929    29.6   141.7    27.3

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S144




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