MPEC 2023-J23 : S/2007 S 4
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M.P.E.C. 2023-J23 Issued 2023 May 3, 16:38 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/2007 S 4
Satellite of Saturn
Observations:
SK07S040 5C2005 01 05.56142 07 47 21.432+20 54 36.05 25.8 RcEJ023568
SK07S040 5C2005 01 05.58559 07 47 20.969+20 54 37.17 25.4 RcEJ023568
SK07S040*5C2007 01 18.38555 09 46 49.188+14 29 39.55 aEJ023568
SK07S040 5C2007 01 18.40004 09 46 48.965+14 29 40.70 25.1 RaEJ023568
SK07S040 5C2007 01 18.41451 09 46 48.726+14 29 42.04 25.2 RaEJ023568
SK07S040 5C2007 03 21.24580 09 29 19.797+15 58 02.75 25 R EJ023568
SK07S040 5C2007 03 21.26679 09 29 19.411+15 58 08.02 EJ023568
SK07S040 5C2007 03 21.29138 09 29 19.232+15 58 05.26 EJ023568
SK07S040 4C2019 07 03.38705 19 13 01.35 -22 18 00.2 cEJ023T14
SK07S040 4C2019 07 03.48147 19 12 59.48 -22 18 04.0 cEJ023T14
SK07S040 RC2020 06 24.46348 20 11 44.62 -19 58 44.7 cEJ023568
SK07S040 RC2020 06 29.46061 20 10 29.01 -20 03 06.6 cEJ023568
SK07S040 RC2020 06 29.46918 20 10 28.88 -20 03 07.3 26.1 wcEJ023568
SK07S040 RC2020 06 29.52346 20 10 28.01 -20 03 10.1 cEJ023568
SK07S040 RC2020 07 24.37032 20 03 16.12 -20 27 33.7 cEJ023568
SK07S040 RC2020 07 24.40461 20 03 15.49 -20 27 35.7 cEJ023568
SK07S040 4C2021 07 09.48285 20 54 31.46 -18 26 43.9 26.3 wcEJ023T14
SK07S040 4C2021 07 09.52602 20 54 30.77 -18 26 47.0 26.4 wcEJ023T14
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. 8.3-m Subaru Telescope + CCD, 8.2-m reflector +
CCD, 3.5-m Canada-France-Hawaii Telescope + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers E. J. Ashton, B. J.
Gladman, J.-M. Petit, M. Alexandersen. Measurer E. J. Ashton. CFHT 3.5m
+ CCD.
Orbital elements:
S/2007 S 4
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 124.90105 (2000.0) P Q
n 0.48096358 Peri. 72.18652 +0.28195191 +0.93859909
a 0.1062818 Node 143.83741 +0.70198205 -0.34308515
e 0.1164798 Incl. 160.30814 +0.65400636 -0.03639138
P 2.05 H 16.2 P/d 748.50
From 17 observations 2005 Jan. 05-2021 Jul. 09, mean residual 0".20
Residuals in seconds of arc
050105 568 0.2- 0.3- 070321 568 (0.7- 4.9+) 200629 568 0.0 0.3+
050105 568 0.0 0.4- 070321 568 1.2+ 0.8+ 200629 568 0.1+ 0.5+
070118 568 0.1- 0.0 190703 T14 0.1- 0.1- 200724 568 0.1+ 0.1+
070118 568 0.0 0.1- 190703 T14 0.1- 0.3- 200724 568 0.1+ 0.2+
070118 568 0.2- 0.0 200624 568 0.2- 0.2+ 210709 T14 0.1+ 0.2-
070321 568 1.1+ 0.9+ 200629 568 0.1- 0.6+ 210709 T14 0.3+ 0.1-
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J23
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