GTOC 13 Homepage
The 13th edition of the Global Trajectory Optimisation Competition, GTOC 13, is being hosted in 2025 by the
Mission Design and Navigation section at the Jet Propulsion Laboratory.
GTOC
was started in 2005 by Dario Izzo of the European Space Agency’s Advanced Concepts
Team as a way to foster innovation in optimization of interplanetary trajectories and
cross-fertilization of ideas between researchers in optimization and in astrodynamics.
We invite all interested researchers or teams of researchers to register to compete in GTOC 13.
Logistics
- 10 October – Registration opens at this website
- 20 October, 17:00 UTC – GTOC 13 problem is posted on this website
- 24 October, 17:00 UTC – Beginning of solution submission period
- 24 October – Registration closes
- 17 November, 18:00 UTC – Solution submission period closes
- Early-Mid [TBD] 2026 – GTOC 13 Workshop - a number of teams from the competition's leaderboard will be invited to present papers.
Solutions are to be submitted by teams through this website. The competition will have a leaderboard – submitted solutions will be verified and scored automatically and posted to it. Email submissions are permitted only as a backup in case of technical difficulties.
Registration
Two steps are required to register:
1) Each team must have at least one team member (usually the team lead) who is registered on this website.
Website registration requires only the choice of a username and password, and a working email address.
Only registered team members will be allowed to submit solutions on behalf of their team.
2) Upon registration, the team lead must email the GTOC 13 organizers the list of registered usernames for their team, and a list of team members with affiliations and contact information for the team lead.
Contact
