It's an exciting era of exploration with mission events extending well beyond the 23 months of the Year of the Solar System.

This new poster shows the upcoming events in our solar system: NASA Planetary Science Poster (PDF, 1.82 MB)

Here's a list of the events listed on the poster (current as of 30 November 2010):

1. EPOXI encounters comet Hartley 2 (24 November 2010)
2. Akatsuki (Venus Climate Orbiter) arrived at Venus (7 December 2010)
3. Stardust-NExT encounters comet Tempel 1 (14 February 2011)
4. MESSENGER orbit insertion and Mercury (18 March 2010)
5. Dawn orbit insertion at asteroid Vesta (July 2011)
6. Juno launch to Jupiter (5 August 2010)
7. GRAIL launch to Moon (8 September 2010)
8. Mars Science Laboratory Launch to Mars (25 November 2011)

Ongoing Mission Events:
9. New Horizons launched to Pluto (19 January 2006); arrives at Pluto (14 July 2010)
10. Mars Exploration Rovers Spirit and Opportunity launched to Mars (10 June 2003 and 7July 2003); surface operations continue.
11. Cassini launched to Saturn (15 October 1997); arrived Jupiter (30 December 2000), entered orbit at Saturn (1 July 2004); Huygens probe Titan landing (15 Februrary 2010); orbital operations continue
12. Lunar Reconnaissance Orbiter (18 June 2010); still operational