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  • MPEC 2023-J47 : S/2004 S 45

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    M.P.E.C. 2023-J47                                   Issued 2023 May 7, 02:54 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 45                               
                               Satellite of Saturn                           
    
    
    Observations:
        SK04S450*5C2004 12 13.49036 07 50 46.910+20 45 13.55         26   RcEJ047568
        SK04S450 5C2004 12 13.51090 07 50 46.588+20 45 14.69               cEJ047568
        SK04S450 5C2004 12 14.59914 07 50 31.244+20 46 15.72               cEJ047568
        SK04S450 5C2004 12 14.63843 07 50 30.641+20 46 17.78               cEJ047568
        SK04S450 5C2006 01 05.58778 08 51 08.228+18 38 55.09               cEJ047568
        SK04S450 5C2006 01 05.64439 08 51 07.284+18 38 59.18               cEJ047568
        SK04S450 5C2006 01 06.55010 08 50 51.549+18 40 05.58         25.3 RcEJ047568
        SK04S450 5C2006 01 06.56223 08 50 51.395+18 40 06.78         25.5 RcEJ047568
        SK04S450 5C2006 02 01.28282 08 42 30.460+19 13 33.67         24.8 RcEJ047568
        SK04S450 5C2006 02 01.30818 08 42 29.946+19 13 35.67         24.7 RcEJ047568
        SK04S450 5C2006 02 02.28072 08 42 10.271+19 14 50.68               cEJ047568
        SK04S450 5C2006 02 02.30384 08 42 09.782+19 14 52.49               cEJ047568
        SK04S450 5C2007 03 21.24231 09 23 17.733+16 18 59.03               aEJ047568
        SK04S450 5C2007 03 21.26328 09 23 17.466+16 18 59.78               aEJ047568
        SK04S450 5C2007 03 21.28786 09 23 17.183+16 19 01.24               aEJ047568
        SK04S450 5C2007 03 22.24615 09 23 06.049+16 19 51.92         25.2 RaEJ047568
        SK04S450 5C2007 03 22.26016 09 23 05.864+16 19 52.45               aEJ047568
        SK04S450 RC2019 07 03.45000 19 13 50.51 -21 45 29.5                cEJ047568
        SK04S450 RC2019 07 03.46716 19 13 50.15 -21 45 30.0          26.2 wcEJ047568
        SK04S450 RC2019 07 04.38694 19 13 31.56 -21 46 00.0                cEJ047568
        SK04S450 RC2019 07 04.47006 19 13 29.83 -21 46 02.5                cEJ047568
        SK04S450 RC2019 07 04.48150 19 13 29.59 -21 46 02.9          26.2 wcEJ047568
        SK04S450 RC2020 06 27.45932 20 07 09.32 -20 23 31.1                cEJ047568
        SK04S450 RC2020 06 27.52228 20 07 08.29 -20 23 34.8          25.6 wcEJ047568
        SK04S450 RC2020 06 27.55374 20 07 07.78 -20 23 36.7                cEJ047568
        SK04S450 RC2020 06 28.44303 20 06 53.82 -20 24 29.5          25.7 wcEJ047568
        SK04S450 RC2020 06 28.47160 20 06 53.36 -20 24 31.2          25.7 wcEJ047568
        SK04S450 RC2020 06 28.51165 20 06 52.71 -20 24 33.6                cEJ047568
        SK04S450 RC2020 07 20.37189 20 00 32.69 -20 47 27.0          25.6 wcEJ047568
        SK04S450 RC2020 07 20.39761 20 00 32.22 -20 47 28.6                cEJ047568
        SK04S450 RC2020 08 16.36475 19 52 50.15 -21 13 46.2          25.7 wcEJ047568
        SK04S450 RC2020 08 16.40484 19 52 49.54 -21 13 48.1                cEJ047568
        SK04S450 RC2021 07 08.45743 21 00 30.87 -18 13 47.6                cEJ047568
        SK04S450 RC2021 07 08.48331 21 00 30.47 -18 13 49.6          25.7 wcEJ047568
        SK04S450 RC2021 07 08.54086 21 00 29.60 -18 13 53.7          25.5 wcEJ047568
    
    Observer details:
    568 Maunakea.  Observers D. C. Jewitt, S. S. Sheppard, 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, CFHT 3.5m +
        CCD.
    
    Orbital elements:
        S/2004 S 45                                                                 
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Alexandersen            
    M 108.80651              (2000.0)            P               Q                  
    n   0.33995950     Peri.   22.07944     +0.47095648     -0.81685289             
    a   0.1339416      Node   318.02755     -0.86539691     -0.50106015             
    e   0.4636643      Incl.  150.12783     -0.17113791     +0.28581476             
    P   2.90           H   16.0           P/d  1058.95                              
    From 35 observations 2004 Dec. 13-2021 Jul. 08, mean residual 0".14             
    
    Residuals in seconds of arc
    041213 568  0.4+  0.1+    070321 568  0.4-  0.3-    200627 568  0.2-  0.0
    041213 568  0.0   0.1+    070321 568  0.6-  0.7-    200628 568  0.2-  0.0
    041214 568  0.3-  0.0     070321 568  0.3-  0.5-    200628 568  0.1-  0.0
    041214 568  0.7-  0.2-    070322 568  0.6+  0.5+    200628 568  0.1-  0.0
    060105 568  0.6-  0.0     070322 568  0.4+  0.3+    200720 568  0.2-  0.1+
    060105 568  0.2+  0.0     190703 568  0.2-  0.1+    200720 568  0.1-  0.1+
    060106 568  0.2-  0.3-    190703 568  0.2-  0.1+    200816 568  0.1-  0.2+
    060106 568  0.7+  0.1+    190704 568  0.1+  0.1-    200816 568  0.0   0.4+
    060201 568  0.3-  0.1-    190704 568  0.1-  0.1+    210708 568  0.0   0.1+
    060201 568  0.2-  0.1-    190704 568  0.1-  0.1+    210708 568  0.1-  0.0
    060202 568  0.1-  0.0     200627 568  0.1+  0.0     210708 568  0.1+  0.1+
    060202 568  0.3-  0.0     200627 568  0.1-  0.1+
    
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-J47
    


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