MPEC 2017-T36 : 2017 SK21
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M.P.E.C. 2017-T36 Issued 2017 Oct. 7, 22:53 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 SK21
Observations:
K17S21K* C2017 09 25.33603 23 21 10.642+26 05 51.47 21.1 wLET036F51
K17S21K C2017 09 25.34715 23 21 05.087+26 05 55.09 21.2 wLET036F51
K17S21K C2017 09 25.36962 23 20 53.865+26 06 02.04 21.3 wLET036F51
K17S21K C2017 09 26.21163 23 14 17.30 +26 09 00.5 20.9 RoET036926
K17S21K C2017 09 26.21558 23 14 15.48 +26 09 01.9 20.2 RoET036926
K17S21K C2017 09 26.21951 23 14 13.58 +26 09 02.3 20.6 RoET036926
K17S21K KC2017 09 29.16425022 53 58.60 +26 07 43.5 21.7 VuET036H21
K17S21K KC2017 09 29.17419922 53 54.79 +26 07 41.5 21.1 VuET036H21
K17S21K KC2017 09 29.18333522 53 51.33 +26 07 40.4 21.5 VuET036H21
K17S21K ^C2017 10 02.11968 22 37 39.95 +25 53 58.8 20.9 RoET036695
K17S21K ^C2017 10 02.12969 22 37 36.92 +25 53 55.6 oET036695
K17S21K ^C2017 10 02.13970 22 37 33.87 +25 53 52.1 20.8 RoET036695
K17S21K ^C2017 10 03.20261 22 32 32.22 +25 47 02.4 21.1 RoET036695
K17S21K ^C2017 10 03.21023 22 32 30.08 +25 46 59.3 20.6 RoET036695
Observer details:
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + 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.
Orbital elements:
2017 SK21 Earth MOID = 0.0903 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 68.77058 (2000.0) P Q
n 0.95002533 Peri. 229.41336 -0.70571290 +0.70618476
a 1.0248161 Node 354.51891 -0.31750027 -0.38739954
e 0.5072006 Incl. 36.79084 -0.63337421 -0.59264212
P 1.04 H 22.2 G 0.15 U 8
Residuals in seconds of arc
170925 F51 0.0 0.1- 170926 926 0.2- 0.5+ 171002 695 0.0 0.1+
170925 F51 0.0 0.1- 170929 H21 0.2+ 0.2- 171002 695 0.1- 0.0
170925 F51 0.0 0.0 170929 H21 0.2- 0.5- 171003 695 0.1+ 0.0
170926 926 0.0 0.1+ 170929 H21 0.0 0.0 171003 695 0.2+ 0.0
170926 926 0.5+ 0.8+ 171002 695 0.2- 0.1+
Ephemeris:
2017 SK21 a,e,i = 1.02, 0.51, 37 q = 0.5050
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 07 02 57 34.1 +10 56 23 0.1976 1.1170 119.0 52.1 20.8
...
2017 09 22 23 51 21.3 +25 31 17 0.2413 1.2253 154.0 21.0 20.6
...
2017 09 30 22 48 59.2 +26 04 55 0.3133 1.2761 147.2 25.2 21.4
...
2017 10 06 22 21 10.3 +25 26 20 0.3784 1.3111 139.6 29.6 22.0
2017 10 07 22 17 41.1 +25 18 19 0.3899 1.3167 138.4 30.3 22.1
2017 10 08 22 14 28.2 +25 10 08 0.4015 1.3222 137.2 30.9 22.2
...
2017 10 14 21 59 57.4 +24 20 43 0.4737 1.3538 130.5 34.1 22.7
...
2017 10 22 21 49 55.2 +23 22 53 0.5747 1.3920 122.6 37.0 23.2
...
2017 11 06 21 47 42.4 +22 15 34 0.7709 1.4516 110.3 39.8 24.0
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-T36
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