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. Page last updated on 11 Dec 2009 18:06 UTC [ Home | Glossary | Mission Details ] | Spacecraft Operations | Spacecraft Description | Operations Archive ] | Photo Albums | About this site | Privacy Notice | Copyright Notice ]