MPEC 2023-J170 : S/2006 S 18
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M.P.E.C. 2023-J170 Issued 2023 May 15, 16:18 UT The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. 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 S/2006 S 18 Satellite of Saturn Observations: SK06S180 5C2004 12 14.60830 07 56 59.936+20 32 18.98 24.7 RcEJ170568 SK06S180 5C2004 12 14.64446 07 56 59.332+20 32 20.80 24.9 RcEJ170568 SK06S180*5C2006 01 05.52950 08 46 04.694+18 30 58.32 cEJ170568 SK06S180 5C2006 01 05.57523 08 46 03.834+18 31 02.07 cEJ170568 SK06S180 5C2006 01 06.51624 08 45 47.010+18 32 17.60 25.0 RcEJ170568 SK06S180 5C2006 01 06.52846 08 45 46.772+18 32 18.54 25.0 RcEJ170568 SK06S180 5C2006 02 01.32024 08 37 13.330+19 08 51.74 25.5 RcEJ170568 SK06S180 5C2006 02 01.34459 08 37 12.842+19 08 53.97 24.9 RcEJ170568 SK06S180 5C2006 02 02.28374 08 36 53.601+19 10 12.47 cEJ170568 SK06S180 5C2006 02 02.30664 08 36 53.136+19 10 15.17 cEJ170568 SK06S180 RC2019 07 03.41279 19 11 38.05 -22 14 26.8 25.9 wcEJ170568 SK06S180 RC2019 07 03.41568 19 11 38.00 -22 14 26.9 cEJ170568 SK06S180 RC2019 07 03.45000 19 11 37.35 -22 14 28.2 26.2 wcEJ170568 SK06S180 RC2019 07 03.47861 19 11 36.81 -22 14 29.2 25.9 wcEJ170568 SK06S180 RC2019 07 04.38694 19 11 20.18 -22 15 02.2 25.9 wcEJ170568 SK06S180 RC2019 07 04.46432 19 11 18.72 -22 15 05.1 cEJ170568 SK06S180 RC2019 08 22.27788 18 58 30.08 -22 39 07.0 cEJ170568 SK06S180 RC2019 08 22.30042 18 58 29.85 -22 39 07.4 cEJ170568 SK06S180 RC2020 06 24.46348 20 12 42.24 -20 08 11.7 cEJ170568 SK06S180 RC2020 06 24.54650 20 12 41.01 -20 08 16.0 26.4 wcEJ170568 SK06S180 RC2020 06 29.46061 20 11 26.40 -20 12 25.6 26.1 wcEJ170568 SK06S180 RC2020 06 29.50060 20 11 25.75 -20 12 27.6 26.1 wcEJ170568 SK06S180 RC2020 07 24.36175 20 04 13.71 -20 35 30.4 25.9 wcEJ170568 SK06S180 RC2020 07 24.36746 20 04 13.60 -20 35 30.7 26.1 wcEJ170568 SK06S180 RC2020 07 24.42460 20 04 12.53 -20 35 34.0 25.6 wcEJ170568 SK06S180 RC2021 07 09.46273 20 56 08.53 -17 58 14.0 cEJ170568 SK06S180 RC2021 07 09.49436 20 56 08.01 -17 58 16.4 26.2 wcEJ170568 SK06S180 RC2021 07 09.52602 20 56 07.48 -17 58 18.9 26.1 wcEJ170568 Observer details: 568 Maunakea. Observers S. S. Sheppard, D. C. Jewitt, J. Kleyna, E. J. Ashton, B. J. Gladman, J.-M. Petit, M. Alexandersen. Measurers S. S. Sheppard, E. J. Ashton, M. Beaudoin, B. J. Gladman. 8.3-m Subaru Telescope + CCD, 3.5-m Canada-France-Hawaii Telescope + CCD, CFHT 3.5m + CCD. Orbital elements: S/2006 S 18 Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen M 207.39492 (2000.0) P Q n 0.27188419 Peri. 83.68738 +0.98105376 -0.13103967 a 0.1554572 Node 76.22468 -0.17489471 -0.91587586 e 0.0886402 Incl. 171.55141 +0.08333887 -0.37947333 P 3.63 H 16.1 P/d 1324.09 From 28 observations 2004 Dec. 14-2021 Jul. 09, mean residual 0".12 Residuals in seconds of arc 041214 568 0.5+ 0.7- 190703 568 0.1- 0.3+ 200629 568 0.1- 0.3- 041214 568 0.0 0.5- 190703 568 0.0 0.3+ 200629 568 0.1- 0.2- 060105 568 0.1+ 0.0 190703 568 0.1- 0.2+ 200724 568 0.1+ 0.0 060105 568 0.3- 0.1+ 190703 568 0.1- 0.3+ 200724 568 0.0 0.0 060106 568 0.5+ 0.1+ 190704 568 0.1+ 0.2+ 200724 568 0.1- 0.0 060106 568 0.4+ 0.1+ 190704 568 0.0 0.2+ 210709 568 0.2- 0.4+ 060201 568 0.3- 0.0 190822 568 0.4+ 0.1- 210709 568 0.0 0.4+ 060201 568 0.0 0.2+ 190822 568 0.4+ 0.1- 210709 568 0.0 0.3+ 060202 568 0.2- 0.4- 200624 568 0.1- 0.0 060202 568 0.1- 0.3+ 200624 568 0.1+ 0.2- M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J170


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