1990 - 1994   Mission Milestones
1995 - 2000   Mission Milestones
2001 - 2004   Mission Milestones
2005 - 2007   Mission Milestones
 
14 Jan 2008   Maximum North Solar Latitude (79.8°)
15 Mar 2008   End of Third North Polar Pass
1 Jul 2008   Projected Mission End
2 Jul 2008   Still going !
1 Jan 2009   Still going !
9 Feb 2009   Minimum Earth range (3.52 AU)
?? ??? 2009   Hydrazine runs out or freezes
30 Jun 2009   Mission Finally Ends
 
5 Oct 2013   Next closest approach to Earth (1.25 AU)*
6 Oct 2013   23rd Anniversary of Launch
29 Nov 2013   Fourth Perihelion (1.39 AU)*
 
 
* Subject to revision after final orbit determination.