MPEC 2017-S71 : 2017 SG2
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M.P.E.C. 2017-S71 Issued 2017 Sept. 20, 02:19 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 SG2
Observations:
K17S02G C2017 09 14.46485 00 29 41.612-21 45 48.75 20.1 iLES071F51
K17S02G C2017 09 14.48982 00 29 41.526-21 50 14.73 20.2 iLES071F51
K17S02G C2017 09 14.50202 00 29 41.489-21 52 24.62 LES071F51
K17S02G* C2017 09 16.46500 00 29 55.287-27 52 51.10 20.2 wLES071F51
K17S02G C2017 09 16.47488 00 29 55.225-27 54 43.54 20.2 wLES071F51
K17S02G C2017 09 16.48476 00 29 55.156-27 56 35.64 20.3 wLES071F51
K17S02G _C2017 09 17.42961700 30 00.406-30 57 24.98 19.7 RtES071568
K17S02G _C2017 09 17.43056000 30 00.396-30 57 35.60 19.7 RtES071568
K17S02G _C2017 09 17.43150400 30 00.394-30 57 46.44 19.6 RtES071568
K17S02G KC2017 09 19.50137 00 30 06.23 -37 43 38.5 20.4 RUES071474
K17S02G KC2017 09 19.50318 00 30 06.23 -37 44 00.1 19.7 RUES071474
K17S02G KC2017 09 19.50500 00 30 06.26 -37 44 21.9 20.6 RUES071474
K17S02G KC2017 09 19.50682 00 30 06.18 -37 44 43.2 19.9 RUES071474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, C. Crowder. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + 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 SG2 Earth MOID = 0.2873 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 343.50978 (2000.0) P Q
n 0.20719533 Peri. 271.21854 +0.08963107 -0.98380676
a 2.8284558 Node 169.01532 +0.85000222 +0.15678226
e 0.7094624 Incl. 54.54374 -0.51909777 +0.08685381
P 4.76 H 21.1 G 0.15 U 8
Residuals in seconds of arc
170914 F51 0.1+ 0.2+ 170916 F51 0.0 0.1- 170919 474 0.0 0.0
170914 F51 0.0 0.1- 170917 568 0.1+ 0.5- 170919 474 0.5+ 0.1-
170914 F51 0.0 0.2- 170917 568 0.1+ 0.1- 170919 474 0.2- 0.3+
170916 F51 0.1- 0.3+ 170917 568 0.2+ 0.0
170916 F51 0.0 0.1- 170919 474 0.2- 0.0
Ephemeris:
2017 SG2 a,e,i = 2.83, 0.71, 55 q = 0.8218
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 21 00 20 49.4 +16 50 24 0.6778 1.5647 134.7 27.3 22.5
...
2017 09 05 00 27 29.8 +00 25 45 0.4293 1.4109 155.8 17.0 20.9
...
2017 09 13 00 29 28.1 -17 33 23 0.3395 1.3286 158.9 15.8 20.2
...
2017 09 19 00 30 04.9 -36 04 18 0.3085 1.2672 144.0 27.8 20.3
2017 09 20 00 30 06.2 -39 22 29 0.3070 1.2570 140.7 30.4 20.3
2017 09 21 00 30 06.0 -42 40 50 0.3067 1.2469 137.3 33.1 20.4
...
2017 09 27 00 29 31.2 -61 20 14 0.3258 1.1866 117.1 48.8 20.9
...
2017 10 05 00 25 53.7 -79 53 43 0.3927 1.1086 95.4 63.9 21.6
...
2017 10 20 12 36 04.2 -81 15 53 0.5643 0.9751 71.4 75.4 22.4
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S71
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