Association of Space Explorers

Inspired by his friendship with author Michael Murphy and involvement in the Esalen Institute's Soviet-American Exchange Program, NASA astronaut Rusty Schweickart established the Association along with cosmonauts Alexei Leonov, Vitaly Sevastyanov, and Georgi Grechko.

Planetary Congress

The Planetary Congress of the Association of Space Explorers is an annual forum for ASE members. It is held in a different host country every year.

• 35th Congress: Noordwijk/Amsterdam, the Netherlands (2024)
• 34th Congress: Bursa, Turkey (2023)
• 33rd Congress: Budapest, Hungary (2021)
• 32nd Congress: Houston, Texas, USA (2019)
• 31st Congress: Minsk, Belarus (2018)
• 30th Congress: Toulouse, France (2017)
• 29th Congress: Vienna, Austria (2016)
• 28th Congress: Stockholm, Sweden (2015)
• 27th Congress: Beijing, China (2014)
• 26th Congress: Cologne, Germany (2013)
• 25th Congress: Riyadh, Saudi Arabia (2012)
• 24th Congress: Moscow, Russia (2011)
• 23rd Congress: Kuala Lumpur, Malaysia (2010)
• 22nd Congress: Prague, Czech Republic (2009)
• 21st Congress: Seattle, Washington, USA (2008)
• 20th Congress: Edinburgh, Scotland (2007)
• 19th Congress: Salt Lake City, Utah, USA (2005)
• 18th Congress: Tokyo, Japan (2003)
• 17th Congress: Almaty, Kazakhstan (2001)
• 16th Congress: Madrid, Spain (2000)
• 15th Congress: Bucharest, Romania (1999)
• 14th Congress: Brussels, Belgium (1998)
• 13th Congress: San Jose, Costa Rica (1997)
• 12th Congress: Montreal, Canada (1996)
• 11th Congress: Warsaw, Poland (1995)
• 10th Congress: Moscow/Lake Baikal, Russia (1994)
• 9th Congress: Vienna, Austria (1993)
• 8th Congress: Washington, DC, USA (1992)
• 7th Congress: Berlin, Germany (1991)
• 6th Congress: Groningen, The Netherlands (1990)
• 5th Congress: Riyadh, Saudi Arabia (1989)
• 4th Congress: Sofia, Bulgaria (1988)
• 3rd Congress: Mexico City, Mexico (1987)
• 2nd Congress: Budapest, Hungary (1986)
• 1st Congress: Cernay, France (1985)