MPEC 2023-J168 : S/2004 S 49
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M.P.E.C. 2023-J168 Issued 2023 May 15, 16:01 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/2004 S 49
Satellite of Saturn
Observations:
SK04S490*5C2004 12 13.58772 07 59 14.343+20 46 42.31 cEJ168568
SK04S490 5C2004 12 13.64220 07 59 13.506+20 46 45.12 cEJ168568
SK04S490 5C2004 12 14.57161 07 58 59.853+20 47 34.90 25.5 RcEJ168568
SK04S490 5C2004 12 14.58688 07 58 59.637+20 47 35.26 25.2 RcEJ168568
SK04S490 5C2007 01 18.38917 09 45 25.405+14 31 17.67 24.9 RaEJ168568
SK04S490 5C2007 01 18.40369 09 45 25.178+14 31 18.70 aEJ168568
SK04S490 5C2007 01 18.41814 09 45 24.977+14 31 20.03 25.0 RaEJ168568
SK04S490 5C2007 01 25.39861 09 43 37.663+14 41 23.04 aEJ168568
SK04S490 5C2007 01 25.41215 09 43 37.433+14 41 24.19 aEJ168568
SK04S490 RC2019 07 03.38705 19 10 10.15 -21 40 38.5 cEJ168568
SK04S490 RC2019 07 03.43571 19 10 09.24 -21 40 40.1 cEJ168568
SK04S490 RC2019 07 04.42702 19 09 51.08 -21 41 15.2 26.0 wcEJ168568
SK04S490 4C2019 08 22.24689 18 57 06.11 -22 06 19.7 cEJ168T14
SK04S490 4C2019 08 22.30042 18 57 05.58 -22 06 20.8 cEJ168T14
SK04S490 4C2019 08 22.32581 18 57 05.33 -22 06 21.4 cEJ168T14
SK04S490 4C2019 08 28.25994 18 56 14.41 -22 08 24.1 cEJ168T14
SK04S490 4C2019 08 28.29150 18 56 14.17 -22 08 24.6 cEJ168T14
SK04S490 RC2020 06 24.46348 20 11 32.10 -20 11 14.4 25.8 wcEJ168568
SK04S490 RC2020 06 24.54650 20 11 30.86 -20 11 19.7 26.1 wcEJ168568
SK04S490 RC2020 06 29.47204 20 10 16.39 -20 16 31.1 25.9 wcEJ168568
SK04S490 RC2020 06 29.52346 20 10 15.58 -20 16 34.4 25.8 wcEJ168568
SK04S490 RC2020 07 24.36175 20 03 01.64 -20 44 52.4 cEJ168568
SK04S490 RC2020 07 24.42460 20 03 00.48 -20 44 56.7 cEJ168568
SK04S490 4C2021 07 09.46273 20 52 16.33 -18 18 44.6 25.8 wcEJ168T14
SK04S490 4C2021 07 09.52602 20 52 15.29 -18 18 48.8 25.8 wcEJ168T14
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.
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/2004 S 49
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 275.13966 (2000.0) P Q
n 0.27899517 Peri. 216.62990 +0.85032332 +0.40855146
a 0.1528044 Node 243.98349 +0.52612522 -0.67425953
e 0.4542585 Incl. 158.33861 -0.01193794 -0.61519085
P 3.53 H 16.0 P/d 1290.34
From 25 observations 2004 Dec. 13-2021 Jul. 09, mean residual 0".12
Residuals in seconds of arc
041213 568 0.2- 0.0 190703 568 0.1+ 0.2- 200624 568 0.1+ 0.1-
041213 568 0.5- 0.0 190703 568 0.1+ 0.1- 200629 568 0.3- 0.1+
041214 568 0.0 0.2+ 190704 568 0.3+ 0.2- 200629 568 0.0 0.1+
041214 568 0.3+ 0.3- 190822 T14 0.6- 0.1+ 200724 568 0.1+ 0.1-
070118 568 0.2- 0.2+ 190822 T14 0.4- 0.2+ 200724 568 0.4+ 0.0
070118 568 0.4- 0.0 190822 T14 0.4- 0.1+ 210709 T14 0.2- 0.1+
070118 568 0.1- 0.1+ 190828 T14 0.2+ 0.1- 210709 T14 0.0 0.2+
070125 568 0.4+ 0.2- 190828 T14 0.4+ 0.1+
070125 568 0.3+ 0.3- 200624 568 0.1+ 0.1+
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J168
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