Prior to participating, all team directors, mentors, and competitors should have a good understanding of the rules and procedures outlined in the official StellarXplorers Rules Book PDF below. 
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​THE DOCUMENT BELOW IS CURRENT AS OF:
10 SEPTEMBER 2025
​If you are a returning participant, please be aware of the new changes for the current competition season (addressed on page 3):
  • Practice rounds are the same length as Qualification rounds, running from 8 AM ET on Thursday to 11:59 PM ET on Sunday. 
  • STK 13.0.0 Premium is the required software package for this season, as it includes the Planetary Data Supplement.​