MPEC 2023-J79 : S/2005 S 4
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M.P.E.C. 2023-J79 Issued 2023 May 10, 19:19 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/2005 S 4
Satellite of Saturn
Observations:
SK05S040 5C2004 12 12.44635 07 54 15.326+20 39 48.18 24.9 RcEJ079568
SK05S040 5C2004 12 12.50214 07 54 14.491+20 39 50.79 25.1 RcEJ079568
SK05S040*5C2005 01 05.59696 07 47 26.297+21 08 11.86 24.5 RcEJ079568
SK05S040 5C2005 01 05.61929 07 47 25.829+21 08 13.83 24.5 RcEJ079568
SK05S040 5C2005 02 15.42995 07 34 28.402+21 56 30.64 cEJ079568
SK05S040 5C2005 02 15.46146 07 34 27.887+21 56 32.57 cEJ079568
SK05S040 5C2006 01 04.52645 08 48 18.332+18 05 11.53 cEJ079568
SK05S040 5C2006 01 04.54811 08 48 17.949+18 05 12.69 cEJ079568
SK05S040 5C2006 01 05.51784 08 48 03.042+18 06 29.39 24.7 RcEJ079568
SK05S040 5C2006 01 05.56308 08 48 02.313+18 06 33.32 24.8 RcEJ079568
SK05S040 5C2007 01 18.39643 09 42 21.177+14 35 01.80 24.8 RaEJ079568
SK05S040 5C2007 01 18.41092 09 42 20.958+14 35 02.94 aEJ079568
SK05S040 5C2007 01 18.42537 09 42 20.724+14 35 04.28 24.9 RaEJ079568
SK05S040 5C2007 01 25.37916 09 40 26.827+14 45 18.11 aEJ079568
SK05S040 5C2007 01 25.39305 09 40 26.590+14 45 19.41 aEJ079568
SK05S040 RC2020 06 24.46348 20 11 38.95 -20 33 57.6 cEJ079568
SK05S040 RC2020 06 24.52648 20 11 37.94 -20 34 01.6 25.8 wcEJ079568
SK05S040 4C2020 06 24.55508 20 11 37.51 -20 34 03.4 cEJ079T14
SK05S040 RC2020 06 29.46061 20 10 19.05 -20 39 30.5 25.5 wcEJ079568
SK05S040 RC2020 06 29.52346 20 10 17.98 -20 39 34.9 25.7 wcEJ079568
SK05S040 4C2020 06 29.54633 20 10 17.59 -20 39 36.3 25.9 wcEJ079T14
SK05S040 RC2020 07 24.36175 20 02 40.73 -21 07 55.6 25.6 wcEJ079568
SK05S040 RC2020 07 24.42460 20 02 39.49 -21 07 59.8 25.5 wcEJ079568
SK05S040 4C2020 07 24.45607 20 02 38.87 -21 08 02.1 25.4 wcEJ079T14
SK05S040 4C2021 07 08.51209 20 58 16.85 -17 58 08.8 cEJ079T14
SK05S040 4C2021 07 08.52071 20 58 16.73 -17 58 09.5 26.0 wcEJ079T14
SK05S040 4C2021 07 08.55237 20 58 16.29 -17 58 12.2 25.5 wcEJ079T14
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/2005 S 4
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 177.83819 (2000.0) P Q
n 0.80245009 Peri. 106.80754 +0.09574189 +0.96506054
a 0.0755535 Node 162.08596 -0.89271850 -0.02514580
e 0.1769935 Incl. 52.46383 +0.44032621 -0.26081764
P 1.23 H 15.7 P/d 448.63
From 27 observations 2004 Dec. 12-2021 Jul. 08, mean residual 0".19
Residuals in seconds of arc
041212 568 0.3- 0.1- 060105 568 0.2+ 0.3+ 200629 568 0.1+ 0.2+
041212 568 1.2- 0.9- 070118 568 0.5+ 0.1+ 200629 568 0.1+ 0.0
050105 568 0.7+ 0.8- 070118 568 0.7+ 0.0 200629 T14 0.0 0.2+
050105 568 0.4+ 0.5- 070118 568 0.7+ 0.1+ 200724 568 0.1+ 0.2+
050215 568 0.4- 0.3+ 070125 568 0.3- 0.1- 200724 568 0.1+ 0.2+
050215 568 0.6- 0.5+ 070125 568 0.2- 0.1- 200724 T14 0.1+ 0.0
060104 568 0.4+ 1.0+ 200624 568 0.0 0.3- 210708 T14 0.0 0.0
060104 568 0.2- 0.5+ 200624 568 0.2- 0.2- 210708 T14 0.0 0.0
060105 568 0.3+ 0.0 200624 T14 0.1+ 0.1- 210708 T14 0.1+ 0.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J79
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