YC Space Exploration

20 companies · 17 active · 25% AI · most in S21 (4)

Orca AerospaceAI spacecraft operators that lives onboard the vehicleYC F26San FranciscoStartup →AI

ExosatBuilding a neutral, sovereign alternative to StarlinkYC S26San FranciscoStartup →AI

PacificRobotic factories to mass produce data centersYC S26San FranciscoStartup →Other

Instinct SpaceBuilding lunar landersYC W25LondonStartup →Other

Spaceium IncIn-Space RefuelingYC S24OttawaStartup →Other

QuindarDatadog for SpaceYC S22DenverStartup →Other

AstroForgeWe Mine AsteroidsYC W22Los AngelesStartup →AI

Epsilon3AI-Powered ERP, MES, and Test Software for Complex OperationsYC S21Los AngelesStartup →Other

HEO RoboticsWe visually monitor space objects for governments and defenseYC S21SydneyStartup →Other

TransAstra CorporationOrbital logistics: Unleashing space industry, from Earth to asteroidsYC S21Los AngelesStartup →Other

Turion SpaceMoving Things Around in Space, Imaging Space Objects When We're NotYC S21Los AngelesStartup →Other

Care WeatherThe highest-accuracy global weather data from low-cost flat satellitesYC W21OremStartup →Other

Stoke SpaceSeamless mobility to, through, and from space. It starts with 100%…YC W21SeattleStartup →Other

EPIC AEROSPACELast-mile delivery for satellites.YC S19Buenos AiresStartup →OtherInactive

SpaceRydeThe Rocket Network: Sustainable & On-Demand Delivery Anywhere in SpaceYC W19San FranciscoStartup →OtherPublic

MomentusThe space infrastructure services companyYC S18San FranciscoStartup →Other

TesseractTesseract builds better thrusters for modern satellitesYC S17LivermoreStartup →Other

AstranisAdvanced satellites for high orbits.YC W16San FranciscoStartup →AI

Relativity SpaceBuilding humanity’s multiplanetary future.YC W16Los AngelesStartup →OtherInactive

Bagaveev CorporationLaunch small satellitesYC W15San FranciscoStartup →

Company	Category	Status	Program
Orca AerospaceAI spacecraft operators that lives onboard the vehicleteam of 5hiringYC F26ActiveAI	AI	Active	YCF26
ExosatBuilding a neutral, sovereign alternative to Starlinkteam of 3YC S26ActiveAI	AI	Active	YCS26
PacificRobotic factories to mass produce data centersteam of 6YC S26ActiveAI	AI	Active	YCS26
Instinct SpaceBuilding lunar landersteam of 5YC W25ActiveOther	Other	Active	YCW25
Spaceium IncIn-Space RefuelinghiringYC S24ActiveOther	Other	Active	YCS24
QuindarDatadog for Spaceteam of 57hiringYC S22ActiveOther	Other	Active	YCS22
AstroForgeWe Mine Asteroidsteam of 10hiringYC W22ActiveOther	Other	Active	YCW22
Epsilon3AI-Powered ERP, MES, and Test Software for Complex Operationsteam of 12hiringYC S21ActiveAI	AI	Active	YCS21
HEO RoboticsWe visually monitor space objects for governments and defenseteam of 3YC S21ActiveOther	Other	Active	YCS21
TransAstra CorporationOrbital logistics: Unleashing space industry, from Earth to asteroidsteam of 8hiringYC S21ActiveOther	Other	Active	YCS21
Turion SpaceMoving Things Around in Space, Imaging Space Objects When We're Notteam of 15hiringYC S21ActiveOther	Other	Active	YCS21
Care WeatherThe highest-accuracy global weather data from low-cost flat satellitesteam of 2YC W21ActiveOther	Other	Active	YCW21
Stoke SpaceSeamless mobility to, through, and from space. It starts with 100%…team of 305hiringYC W21ActiveOther	Other	Active	YCW21
EPIC AEROSPACELast-mile delivery for satellites.team of 14YC S19ActiveOther	Other	Active	YCS19
SpaceRydeThe Rocket Network: Sustainable & On-Demand Delivery Anywhere in Spaceteam of 33YC W19InactiveOther	Other	Inactive	YCW19
MomentusThe space infrastructure services companyteam of 125publicYC S18PublicOther	Other	Public	YCS18
TesseractTesseract builds better thrusters for modern satellitesteam of 6YC S17ActiveOther	Other	Active	YCS17
AstranisAdvanced satellites for high orbits.team of 500hiringYC W16ActiveOther	Other	Active	YCW16
Relativity SpaceBuilding humanity’s multiplanetary future.team of 2.5khiringYC W16ActiveAI	AI	Active	YCW16
Bagaveev CorporationLaunch small satellitesteam of 2YC W15InactiveOther	Other	Inactive	YCW15

YC Space Exploration

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