SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Astra Space logo Astra Space Develops small-lift launch vehicles with mobile launch infrastructure and manufactures Hall-effect electric propulsion systems for satellite constellations vs Zeno Power Develops radioisotope power systems that convert heat from decaying isotopes into years of reliable electricity for lunar surface and seabed missions Zeno Power logo
HEAD-TO-HEAD1 shared sector
Astra Space Zeno Power
Founded 2016 2018
Headquarters Alameda, California Washington, District of Columbia
Type private private
Status operating operating
Employees 113 79
Total funding $407M $94.9M
Latest round Series B
Sectors Launch Services, Space Propulsion Satellite Components & Subsystems, Lunar Services, Space Propulsion
Products listed 3 2
Federal contracts
Launches 8 (25%)
Leaders listed Chris Kemp, Adam London, Martin Attiq Tyler Bernstein, Jonathan Segal, Jacob Matthews
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Astra Space and Zeno Power compare?

Both companies work in Space Propulsion. Astra Space was founded in 2016 and Zeno Power in 2018.

Which is larger, Astra Space or Zeno Power?

Astra Space reports the larger workforce, with 113 employees versus 79.

Which has more launches, Astra Space or Zeno Power?

Astra Space leads with 8 tracked launches (25% success rate).

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.