Astro Stack
PrivateFounded 2022 · Torrance, CAUpdated Aug 30, 2026

K2 Space

Large satellite platforms

Company website

Builds high-power satellite buses designed to make large spacecraft more accessible across orbital regimes.

Principal supply-chain role02 · Space Hardware

Satellites, landers, rovers, payloads, components, and subsystems built for demanding environments.

Principal supply-chain role02 · Space Hardware

Builds high-power satellite buses designed to make large spacecraft more accessible across orbital regimes.

Suppliers, customers & partners

Suppliers & service providers to K2 Space

Rocket Lablaunch services; supplierTell me more

Rocket Lab has been named a key supplier/partner to K2 Space for launch and supplier roles on Space Force/DoD satcom programs; Rocket Lab provides launch services and is engaged as a supplier partner supporting K2 Space missions and manufacturing/launch integration work (announced in the context of Space Systems Command awards).

Relationship research record

K2 Space customers & supported companies

SEScustomer · customer; strategic partner · 2 more roles5 connectionsTell me more

K2 Space supplies high-power Mega-class satellite platforms (initial tranche of 28 satellites plus pathfinder missions) for SES’s meoSphere next-generation MEO broadband network; SES integrates its software-defined payloads onto the K2 buses (announced March 2026, ongoing).

Relationship research record

K2 Space supplies the satellite platform/bus for SES’s entry in the U.S. Space Force Protected Tactical Satcom-Global (PTS-G) program (GEO satellites, first Pentagon program of record for K2; announced June 2026).

Relationship research record

K2 Space was chosen to provide spacecraft buses for SES’s planned next‑generation MEO broadband constellation (SES selected K2 as a spacecraft bus provider and commercial partner to develop a next-generation MEO network), making SES a direct commercial customer and strategic partner for K2’s satellite platforms.

Relationship research record

K2 Space partners with SES on development and manufacturing of medium Earth orbit satellites.

Relationship research record

K2 Space supplies satellite buses to SES; SES announced it will buy 28 satellite buses from K2 Space for SES's new MEO network (multi-satellite procurement to enable SES's next-generation MEO constellation).

Relationship research record

K2 Space program partners

Andurilprogram partner · mission partner / program integrator4 connectionsTell me more

K2 Space is a collaborator on Anduril's U.S. Space Force space-based interceptor prototype award team (2026).

Relationship research record

K2 Space is cited as a partner integrating its technology into Anduril’s solutions for the Space-Based Interceptors (Golden Dome) program, supplying specific systems technologies into the Anduril-led SBI solution.

Relationship research record

K2 Space supplies Mega-class satellite platforms to host Anduril’s space-based interceptors for the Golden Dome for America missile-defense program (announced May 2026, ongoing).

Relationship research record

Anduril supplies integrated systems for the Golden Dome SBI initiative and lists K2 Space among the commercial firms providing subsystems and technologies to the combined solution; K2 Space is a named partner/mission integrator in the effort.

Relationship research record

Government awards & missions

NewSpace Capitalstrategic-investorTell me more

NewSpace Capital made a $15 million strategic investment in K2 Space. · Strategic growth investment supporting K2's multi-orbit high-power satellite platform expansion.

NewSpace Capital publicly listed a September 15, 2025 release titled 'K2 Space Nabs $15M from NewSpace Capital.'

investment organization
First Round Capitalequity-investorTell me more

First Round Capital was an existing investor that participated in K2 Space's $110 million Series B. · Series B financing for mass-production scale-up of K2's multi-orbit, high-power satellite platform.

K2 named First Round Capital as an existing investor participating in the Series B.

investment organization
Alpine Space Venturesrepeat-equity-investorTell me more

Alpine Space Ventures participated in K2 Space's Series B and Series C financings. · Series B and Series C financing.

K2 named Alpine Space Ventures as an existing Series B investor and as a Series C participant.

investment organization
Lightspeed Venture Partnersrepeat-equity-investorTell me more

Lightspeed Venture Partners co-led K2 Space's Series B and participated in its Series C. · Series B and Series C financing.

K2 named Lightspeed as a Series B co-lead and a Series C participant.

investment organization
Altimeter Capitalrepeat-equity-investorTell me more

Altimeter Capital co-led K2 Space's Series B and participated in its Series C. · Series B and Series C financing for manufacturing scale-up and satellite-platform delivery.

K2 named Altimeter as a Series B co-lead and a Series C participant.

investment organization
Hedosophiaequity-investorTell me more

Hedosophia participated in K2 Space's $250 million Series C financing. · Series C financing.

K2 explicitly named Hedosophia as a Series C participant.

investment organization
T. Rowe Priceequity-investorTell me more

Accounts advised by T. Rowe Price participated in K2 Space's $250 million Series C financing. · Series C financing.

K2 named accounts advised by T. Rowe Price among Series C participants.

investment organization
Redpointlead-equity-investorTell me more

Redpoint led K2 Space's $250 million Series C financing. · Series C financing supporting delivery and scale-up of high-capability satellite platforms.

K2 announced the financing and named Redpoint as lead investor.

investment organization
Gravitasowned-and-operated-spacecraft-demonstration-missionTell me more

K2 Space built, launched, and operates Gravitas as its first integrated Mega-class spacecraft and a LEO-to-MEO technology demonstration with hosted payloads. · 20 kW Mega-class spacecraft; commercial and national-security payload demonstrations; electric-propulsion orbit raising.

K2 lists Gravitas as an operational mission, with a full 20 kW satellite, 12 payloads, and LEO-to-MEO orbit raising; its later update referred to testing 13 payloads.

mission context
Vandenberg Space Force Baselaunch-facility-userTell me more

K2 Space used Vandenberg Space Force Base as the launch site for Gravitas aboard SpaceX's Transporter-16 mission. · Transporter-16 / Gravitas launch operations.

SpaceX identifies Space Launch Complex 4E at Vandenberg Space Force Base as the Transporter-16 launch site; K2 identified Transporter-16 as Gravitas's mission.

facility
Air Force Research Laboratorygravitas-mission-supporter-and-funderTell me more

The Air Force Research Laboratory supported and funded K2 Space's Gravitas mission alongside other Department of the Air Force organizations. · Gravitas LEO-to-MEO platform and payload demonstration.

K2 explicitly listed AFRL among the Department of the Air Force organizations supporting and funding Gravitas.

government agency
Space Development Agencysbir-government-customerTell me more

The Space Development Agency awarded K2 Space a Phase II SBIR contract to develop high-performance satellite platforms for next-generation heavy-launch vehicles. · High Performance Satellite Platform for Next Generation Heavy Launch Vehicles; contract FA2401-23-9-0019.

The SBIR award record names K2 Space as awardee and SDA as the awarding branch.

government agency

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Highlighted companies match the selected filters. Smaller translucent companies are their direct connections across every scale and segment. Circle size reflects connection prominence, not a ranking or valuation.

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