Starcloud
Also known as Lumen Orbit
Key facts
- CEO
- Philip Johnston, CEO
- Founded by
- People
- Ezra, CTO
- Launched
- Capabilities
- Second satellite planned to have optical terminals for continuous high-bandwidth, low-latency connectivity.Builds orbital data centers, initially to provide GPU compute to other satellites and later to compete with terrestrial data centers on energy cost.
- Integrates with
- Nvidia, working together on a chip designed for the space environmentAmazon, launching AWS Outposts hardwareStarlink laser terminal, terminal planned for next 20 satellites
From talks
Results and examples shared in single talks
- filed for a constellation of 88,000 spacecraft 18:50The Case For Data Centers In Space
- first contact about 12 hours after launch 7:49The Case For Data Centers In Space
- raised $170 million in a round led by Benchmark 0:39The Case For Data Centers In Space
- Second satellite planned to be at least 10 times more powerful than the first and to fly NVIDIA Blackwell architecture. 11:41Inside The Startup Launching AI Data Centers Into Space
- Designed, built, ready, and tested its first satellite in 15 months. 9:30Inside The Startup Launching AI Data Centers Into Space
Show 2 more
- Aims to build 40-megawatt orbital data centers weighing about 100 tons. 2:50Inside The Startup Launching AI Data Centers Into Space
- Initially called Lumen Orbit when the founders pitched YC in summer 2024; accepted on the third attempt. 7:22Inside The Startup Launching AI Data Centers Into Space
Tech stack & tools
Based on job postings, talks and code
Tech stack 7
Labels show how a tool is used (core product, infra, data, ML, security); “N jobs” counts the job postings that require it. Click a count to see the evidence. How we verify
Timeline 8
Dated events, newest first. Open the sources under any item.
Launch1Founded1People2Built2Capability2
20263 events
- as of Aug 2026BuiltStarcloud built data centers in space
“Starcloud is building data centers in space” 0:39
Unverified1 source· Talk
- as of Aug 2026PeoplePhilip Johnston CEO of StarcloudCEO
“the co-founder and CEO of Starcloud” 0:39
Unverified1 source· Talk
- Aug 5, 2026FoundedPhilip Johnston founded Starcloud
“Philip Johnston, the co-founder and CEO of Starcloud” 0:39
Verified2 sources· Talk
20255 events
- as of Nov 2025CapabilitySecond satellite planned to have optical terminals for continuous high-bandwidth, low-latency connectivity.
“24/7 high-bandwidth connectivity with very low latency all the time” 11:41
Unverified1 source· Talk
- as of Nov 2025BuiltStarcloud built Starcloud-1
“We went from founding to having the satellite designed, built, ready, and tested in 15 months.” 9:30
Unverified1 source· Talk
- as of Nov 2025PeopleEzra is CTO at Starcloud
“My co-founder Ezra, who's our CTO” 8:29
Unverified1 source· Talk
- as of Nov 2025CapabilityBuilds orbital data centers, initially to provide GPU compute to other satellites and later to compete with terrestrial data centers on energy cost.
“We are building data centers in space, initially to provide GPU compute to other satellites” 1:29
Unverified1 source· Talk
- Nov 2025LaunchStarcloud launched Starcloud-1
“you launched Starcloud-1 in November 2025” 4:38
Verified2 sources· Talk
Talks by Starcloud 0
No talks by this company yet
See the talks that mention them below.
Mentioned in 4
Talks by others that mention this company
- The State of Startups in 2026mentioned by Diana and Jared 5:21
- Paul Graham On Startups, Ambition, and Great Foundersmentioned by Paul Graham 12:31
- The Case For Data Centers In Spacementioned by Philip Johnston 0:39
- Inside The Startup Launching AI Data Centers Into Spacementioned by Philip Johnston 0:09