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14,448 startups · 29 programs

Constellation Space

Active · AI operating system for mega-scale satellite networks.

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 8
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6

A sum of public facts, not a judgement and not investment advice.

Competitors

AIBasaltShared: satellite constellation, buildingYC W24San FranciscoStartup →AIAcquiredDashdiveShared: break downYC W23San FranciscoStartup →AIStarcloudShared: rapidly scale, satellite, spaceYC S24SeattleStartup →AIAcquiredBlitz EsportsShared: break down, gapYC S15San FranciscoStartup →AIEpochShared: break down, buildingPlug and PlayUnited KingdomStartup →
Companies closest to Constellation Space
Company
BasaltShared: satellite constellation, buildingYC W24ActiveAI
DashdiveShared: break downYC W23AcquiredAI, Devtools
StarcloudShared: rapidly scale, satellite, spaceYC S24ActiveAI, Devtools
Blitz EsportsShared: break down, gapYC S15AcquiredAI
EpochShared: break down, buildingPlug and Play Not statedAI

Adjacent

Otheropen-cosmosShared: operating satelliteEF 2015LondonStartup →OtherMuon SpaceShared: satellite constellation, spaceSPC 2020San FranciscoStartup →OtherQuindarShared: satellite constellation, space, interventionYC S22DenverStartup →Developer toolsHubble NetworkShared: satellite network, space, buildingYC W22Las VegasStartup →OtherOrbital OperationsShared: blue origin, satellite, spacexYC W25Los AngelesStartup →
Companies next to Constellation Space
Company
open-cosmosShared: operating satelliteEF 2015Not statedOther
Muon SpaceShared: satellite constellation, spaceSPC 2020Not statedOther
QuindarShared: satellite constellation, space, interventionYC S22ActiveOther
Hubble NetworkShared: satellite network, space, buildingYC W22ActiveDevtools
Orbital OperationsShared: blue origin, satellite, spacexYC W25ActiveOther

Also from W26 in AI

All of W26
AI/dev/fast/dev/fast is the AI-native code forgeYC W26San FranciscoStartup →AI10x ScienceThe AI-native platform for next-generation protein characterization.YC W26San FranciscoStartup →AI21stUI building blocks for the agentic internetYC W26San FranciscoStartup →AIAemonThe Forward-Deployed AI Research EngineerYC W26San FranciscoStartup →AIAgentic FabriqThe control plane for AI agents.YC W26San FranciscoStartup →AIAlt-XBuilding the best venue for private markets exposure.YC W26Los AngelesStartup →
Company
/dev/fast/dev/fast is the AI-native code forgeteam of 4ActiveAI, Devtools
10x ScienceThe AI-native platform for next-generation protein characterization.team of 5hiringActiveAI
21stUI building blocks for the agentic internetteam of 3ActiveAI, Devtools
AemonThe Forward-Deployed AI Research Engineerteam of 3hiringActiveAI, Devtools
Agentic FabriqThe control plane for AI agents.team of 2ActiveAI
Alt-XBuilding the best venue for private markets exposure.team of 2ActiveAI, Data

Founders

  • Kamran MajidFounder/CEO
  • Laith AltarabishiFounder
  • Raaid KabirFounder
  • Omeed TehraniFounder/COO

About Constellation Space

Constellation Space is building the autonomous infrastructure layer for the next generation of space networking. As satellite constellations rapidly scale from hundreds of nodes to tens of thousands, traditional ground-based orchestration fundamentally breaks down. ConstellationOS bridges this gap by providing zero-intervention network handoffs, predictive thermal load-balancing, and sub-second optical routing. Our founding team spent years building and operating satellite systems at SpaceX, Blue Origin, and NASA. We started Constellation to solve the problem we kept running into: reactive monitoring doesn't scale. We are building the sub-second routing protocols and hyperscale load-balancing infrastructure that will manage the future of off-world telecommunications and compute. hello@constellation-io.com

YC batch
W26 · Winter 2026
Status, per YC
Active
Category
AI, Data
Team size
4
Location
Seattle, WA, USA
Founded
2025
Checked
6h ago

Constellation Space in W26: 199 companies, 81% AI

LinkedIn

Constellation Space: questions

Which YC batch was Constellation Space in?

Constellation Space was in Y Combinator's Winter 2026 batch (W26).

Is Constellation Space still active?

Y Combinator lists Constellation Space as active.

Who founded Constellation Space?

Constellation Space's founders, as listed on its YC page: Kamran Majid (Founder/CEO), Laith Altarabishi (Founder), Raaid Kabir (Founder), Omeed Tehrani (Founder/COO).

Where is Constellation Space based?

Constellation Space lists Seattle, WA, USA as its location on YC's directory.