Table 7: Comparison of DE403 and DE405 ephemerides derived from mean residuals (O-C) in $\alpha $ and in $\delta $ of Bordeaux meridian circle 1997-2006 observations (in mas unit).
      Mean residuals (O-C)
Object Period N DE403 DE405
      $\alpha $ $\delta $ $\alpha $ $\delta $
Titan 1999-2006 50 111 -47 71 -26
Hyperion 1999-2006 59 89 20 54 40
Iapetus 1999-2006 70 84 -86 51 -66
Uranus 1997-2005 165 -70 -113 -101 -129
Ariel 1998-2003 2 -1775 561 -1797 546
Umbriel 1997-2005 20 -88 -22 -125 -39
Titania 1997-2005 96 -92 -138 -122 -154
Oberon 1997-2005 113 -108 -134 -138 -150
Neptune 1999-2005 102 -13 -128 -26 -142
Triton 1999-2005 89 -26 -156 -40 -170
Pluto 2002-2005 54 170 40 -39 -91


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