MPEC 2023-J80 : S/2007 S 7
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M.P.E.C. 2023-J80 Issued 2023 May 10, 19:29 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 7
Satellite of Saturn
Observations:
SK07S070*5C2007 01 16.38652 09 42 11.588+15 06 21.94 25.8 RaEJ080568
SK07S070 5C2007 01 16.40457 09 42 11.331+15 06 23.19 aEJ080568
SK07S070 5C2007 01 16.41909 09 42 11.112+15 06 24.68 aEJ080568
SK07S070 5C2007 01 17.38756 09 41 56.579+15 07 51.84 aEJ080568
SK07S070 5C2007 01 17.40203 09 41 56.351+15 07 53.23 aEJ080568
SK07S070 5C2007 01 17.41651 09 41 56.133+15 07 54.36 aEJ080568
SK07S070 5C2007 03 21.23181 09 24 54.053+16 39 28.59 EJ080568
SK07S070 5C2007 03 21.25280 09 24 53.802+16 39 29.52 EJ080568
SK07S070 5C2007 03 21.27734 09 24 53.547+16 39 30.84 25 R EJ080568
SK07S070 4C2019 07 01.38103 19 19 16.38 -21 49 15.3 cEJ080T14
SK07S070 4C2019 07 02.46981 19 18 55.80 -21 49 56.5 cEJ080T14
SK07S070 4C2019 07 02.48128 19 18 55.58 -21 49 56.8 cEJ080T14
SK07S070 4C2019 08 23.25515 19 04 17.94 -22 17 45.9 cEJ080T14
SK07S070 4C2019 09 03.24114 19 02 36.29 -22 21 07.2 cEJ080T14
SK07S070 4C2019 09 03.30425 19 02 35.80 -22 21 08.3 cEJ080T14
SK07S070 4C2019 09 03.32431 19 02 35.65 -22 21 08.6 cEJ080T14
SK07S070 4C2020 06 27.45932 20 07 23.34 -20 28 34.1 26.4 wcEJ080T14
SK07S070 4C2020 06 27.52228 20 07 22.38 -20 28 37.5 26.3 wcEJ080T14
SK07S070 4C2020 06 28.44874 20 07 08.41 -20 29 29.7 cEJ080T14
SK07S070 4C2020 06 28.50594 20 07 07.53 -20 29 32.8 26.4 wcEJ080T14
SK07S070 4C2020 07 20.37189 20 01 03.86 -20 50 55.7 cEJ080T14
SK07S070 4C2020 07 20.43194 20 01 02.82 -20 50 59.3 cEJ080T14
SK07S070 4C2020 08 16.36475 19 53 44.44 -21 14 53.3 25.9 wcEJ080T14
SK07S070 4C2020 08 16.40199 19 53 43.89 -21 14 55.1 25.8 wcEJ080T14
SK07S070 4C2021 07 08.45743 20 59 59.68 -17 46 45.4 cEJ080T14
SK07S070 4C2021 07 08.48618 20 59 59.22 -17 46 47.5 26 wcEJ080T14
Observer details:
568 Maunakea. Observers S. S. Sheppard, D. C. Jewitt, J. Kleyna. Measurer S.
S. Sheppard. 8.3-m Subaru Telescope + CCD, 8.2-m reflector + 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 7
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 137.43529 (2000.0) P Q
n 0.48465651 Peri. 168.44711 -0.84599867 -0.52910961
a 0.1057412 Node 20.80010 -0.50276222 +0.83271822
e 0.2320847 Incl. 169.32210 -0.17752861 +0.16316675
P 2.03 H 16.2 P/d 742.79
From 26 observations 2007 Jan. 16-2021 Jul. 08, mean residual 0".11
Residuals in seconds of arc
070116 568 0.6- 0.2+ 190701 T14 0.3- 0.2+ 200628 T14 0.1- 0.2-
070116 568 0.4- 0.2- 190702 T14 0.0 0.1+ 200628 T14 0.0 0.1-
070116 568 0.3- 0.0 190702 T14 0.1+ 0.3+ 200720 T14 0.4- 0.0
070117 568 0.1- 0.0 190823 T14 0.1- 0.2+ 200720 T14 0.0 0.0
070117 568 0.1- 0.0 190903 T14 0.2+ 0.2+ 200816 T14 0.4+ 0.3+
070117 568 0.0 0.2- 190903 T14 0.1+ 0.0 200816 T14 0.2+ 0.1+
070321 568 0.4+ 0.1- 190903 T14 0.1+ 0.0 210708 T14 0.1- 0.2+
070321 568 0.2+ 0.3- 200627 T14 0.2- 0.1+ 210708 T14 0.0 0.1+
070321 568 0.5+ 0.3- 200627 T14 0.1- 0.2+
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-J80
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