MPEC 2023-J41 : S/2004 S 42
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M.P.E.C. 2023-J41 Issued 2023 May 6, 03:10 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 42
Satellite of Saturn
Observations:
SK04S420*5C2004 12 12.43730 07 51 12.153+21 04 41.04 25.2 RcEJ041568
SK04S420 5C2004 12 12.49310 07 51 11.388+21 04 44.69 25.1 RcEJ041568
SK04S420 5C2004 12 14.59914 07 50 41.958+21 06 24.32 cEJ041568
SK04S420 5C2004 12 14.63843 07 50 41.364+21 06 26.51 cEJ041568
SK04S420 5C2005 01 05.61087 07 44 25.543+21 26 09.48 25.6 RcEJ041568
SK04S420 5C2005 01 05.62207 07 44 25.329+21 26 09.89 cEJ041568
SK04S420 5C2007 01 17.38756 09 41 18.258+15 08 02.89 25.2 RaEJ041568
SK04S420 5C2007 01 17.40203 09 41 18.025+15 08 03.96 aEJ041568
SK04S420 5C2007 01 17.41651 09 41 17.794+15 08 05.31 25.1 RaEJ041568
SK04S420 4C2019 08 23.25515 19 04 56.70 -22 23 26.0 cEJ041T14
SK04S420 4C2019 08 23.29745 19 04 56.24 -22 23 27.0 cEJ041T14
SK04S420 4C2019 08 26.25182 19 04 27.10 -22 24 18.1 cEJ041T14
SK04S420 4C2019 08 26.32628 19 04 26.37 -22 24 19.1 cEJ041T14
SK04S420 4C2019 09 03.26125 19 03 24.12 -22 26 11.4 cEJ041T14
SK04S420 4C2019 09 03.30138 19 03 23.84 -22 26 11.6 cEJ041T14
SK04S420 RC2020 06 27.45932 20 07 25.01 -20 15 40.2 cEJ041568
SK04S420 RC2020 06 27.49938 20 07 24.31 -20 15 42.8 26.0 wcEJ041568
SK04S420 RC2020 06 28.48305 20 07 07.43 -20 16 41.6 26.1 wcEJ041568
SK04S420 RC2020 06 28.53740 20 07 06.49 -20 16 44.7 26.0 wcEJ041568
SK04S420 RC2020 07 20.39189 20 00 17.40 -20 39 48.7 cEJ041568
SK04S420 RC2020 07 20.43765 20 00 16.50 -20 39 51.5 26.2 wcEJ041568
SK04S420 RC2020 08 16.36475 19 52 02.97 -21 06 33.3 26.4 wcEJ041568
SK04S420 RC2020 08 16.40484 19 52 02.34 -21 06 35.2 26.3 wcEJ041568
SK04S420 4C2021 07 08.45743 20 59 07.61 -18 06 02.9 cEJ041T14
SK04S420 4C2021 07 08.50059 20 59 07.00 -18 06 05.8 25.7 wcEJ041T14
SK04S420 4C2021 07 08.52071 20 59 06.69 -18 06 07.2 25.9 wcEJ041T14
SK04S420 4C2021 07 08.55237 20 59 06.24 -18 06 09.3 25.7 wcEJ041T14
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, 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 42
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 4.33780 (2000.0) P Q
n 0.39533994 Peri. 137.79629 -0.38049751 -0.91852251
a 0.1211211 Node 25.98716 -0.90041592 +0.39445177
e 0.1574247 Incl. 165.80957 -0.21088578 -0.02691091
P 2.49 H 16.1 P/d 910.61
From 27 observations 2004 Dec. 12-2021 Jul. 08, mean residual 0".16
Residuals in seconds of arc
041212 568 0.2- 1.2- 190823 T14 0.1+ 0.5+ 200628 568 0.0 0.3+
041212 568 0.1+ 0.2- 190823 T14 0.1+ 0.2+ 200720 568 0.2+ 0.0
041214 568 0.1- 0.1- 190826 T14 0.1+ 0.3+ 200720 568 0.3+ 0.1+
041214 568 0.3- 0.3+ 190826 T14 0.1+ 0.5+ 200816 568 0.5- 0.3+
050105 568 0.4+ 0.2- 190903 T14 0.6+ 0.0 200816 568 0.1- 0.4+
050105 568 0.5+ 0.4- 190903 T14 0.4+ 0.2+ 210708 T14 0.3- 0.1-
070117 568 0.4- 0.4+ 200627 568 0.3- 0.4+ 210708 T14 0.0 0.1-
070117 568 0.5- 0.1+ 200627 568 0.3- 0.2+ 210708 T14 0.2- 0.1-
070117 568 0.5- 0.1+ 200628 568 0.3- 0.1+ 210708 T14 0.1- 0.1-
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J41
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