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  • MPEC 2023-J169 : S/2004 S 50

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    M.P.E.C. 2023-J169                                 Issued 2023 May 15, 16:05 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 50                               
                               Satellite of Saturn                           
    
    
    Observations:
        SK04S500*5C2004 12 12.46294 07 55 35.377+20 59 45.47               cEJ169568
        SK04S500 5C2004 12 12.50818 07 55 34.730+20 59 47.34               cEJ169568
        SK04S500 5C2004 12 14.60516 07 55 02.014+21 01 35.55         25.5 RcEJ169568
        SK04S500 5C2004 12 14.62939 07 55 01.605+21 01 36.80         25.3 RcEJ169568
        SK04S500 RC2019 07 01.41252 19 17 25.81 -21 43 31.1          26.9 wcEJ169568
        SK04S500 RC2019 07 01.43544 19 17 25.38 -21 43 32.2                cEJ169568
        SK04S500 RC2019 07 02.38620 19 17 08.47 -21 44 12.8                cEJ169568
        SK04S500 RC2019 07 02.40624 19 17 08.09 -21 44 13.7          26.3 wcEJ169568
        SK04S500 RC2019 07 02.42911 19 17 07.66 -21 44 14.7                cEJ169568
        SK04S500 RC2019 08 23.25515 19 03 31.33 -22 17 36.7                cEJ169568
        SK04S500 RC2019 08 23.28049 19 03 31.08 -22 17 37.0                cEJ169568
        SK04S500 RC2019 08 26.25182 19 03 03.09 -22 18 59.7                cEJ169568
        SK04S500 RC2019 08 26.32628 19 03 02.39 -22 19 01.8                cEJ169568
        SK04S500 RC2019 08 27.24434 19 02 54.36 -22 19 26.0                cEJ169568
        SK04S500 RC2019 09 03.24114 19 02 03.52 -22 22 17.0                cEJ169568
        SK04S500 RC2019 09 03.30425 19 02 03.12 -22 22 18.4                cEJ169568
        SK04S500 RC2020 06 27.45932 20 05 22.52 -20 39 22.5          26.5 wcEJ169568
        SK04S500 RC2020 06 27.52228 20 05 21.43 -20 39 26.0                cEJ169568
        SK04S500 RC2020 06 28.44303 20 05 05.75 -20 40 15.8                cEJ169568
        SK04S500 RC2020 06 28.51165 20 05 04.55 -20 40 19.6          25.9 wcEJ169568
        SK04S500 RC2020 07 20.37189 19 58 18.06 -21 00 58.5          26.2 wcEJ169568
        SK04S500 RC2020 07 20.44911 19 58 16.55 -21 01 02.8                cEJ169568
        SK04S500 RC2020 08 16.36761 19 50 07.52 -21 23 55.7                cEJ169568
        SK04S500 RC2020 08 16.38769 19 50 07.20 -21 23 56.5                cEJ169568
        SK04S500 RC2021 07 09.46273 20 53 15.08 -18 05 21.4          26.1 wcEJ169568
        SK04S500 RC2021 07 09.48861 20 53 14.68 -18 05 23.1                cEJ169568
    
    Observer details:
    568 Maunakea.  Observers S. S. Sheppard, D. C. Jewitt, 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, CFHT 3.5m + CCD.
    
    Orbital elements:
        S/2004 S 50                                                                 
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Alexandersen            
    M 334.23695              (2000.0)            P               Q                  
    n   0.29529721     Peri.  225.49286     +0.93291811     -0.34083080             
    a   0.1471275      Node   206.22809     -0.20748797     -0.77251044             
    e   0.3773336      Incl.  164.75858     -0.29430010     -0.53578167             
    P   3.34           H   16.4           P/d  1219.11                              
    From 26 observations 2004 Dec. 12-2021 Jul. 09, mean residual 0".11             
    
    Residuals in seconds of arc
    041212 568  0.6-  0.2+    190823 568  0.2-  0.1-    200628 568  0.1-  0.1-
    041212 568  0.3+  0.3-    190823 568  0.1-  0.4+    200628 568  0.1-  0.1-
    041214 568  0.1+  0.3-    190826 568  0.6+  0.0     200720 568  0.1-  0.1+
    041214 568  0.0   0.3-    190826 568  0.5+  0.1-    200720 568  0.1+  0.2+
    190701 568  0.0   0.0     190827 568  0.2-  0.2+    200816 568  0.1+  0.0
    190701 568  0.1-  0.1-    190903 568  0.2+  0.2-    200816 568  0.2+  0.1+
    190702 568  0.0   0.1+    190903 568  0.2+  0.1-    210709 568  0.2-  0.3+
    190702 568  0.2-  0.1+    200627 568  0.1-  0.0     210709 568  0.1-  0.3+
    190702 568  0.4-  0.1+    200627 568  0.1-  0.1-
    
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-J169
    


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