Portal Space Systems
Highly maneuverable spacecraft for responsive space operations
Space / Defense
📍 Bothell, WA
Current Valuation
Private
PRIVATE
Portal Space Systems is developing Supernova, a highly maneuverable spacecraft able to rapidly change orbits — aimed at responsive space and national-security missions. Founded by propulsion engineer Jeff Thornburg, formerly of SpaceX.
Fundraising Status
private
Founders & Key People
Jeff Thornburg
Products
- Supernova maneuverable spacecraft
Competitors
Impulse Space · True Anomaly
SpaceDefenseSpacecraftPropulsion
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.