Supplier · United States
Its 20 kW Gravitas bus flew on 30 Mar 2026 with no compute payload named; the 100 kW Giga class for orbital compute is planned. Its next announced step is operational commercial and national security constellations begin deployment, stated as 2028.
Stage 1 of 7: Concept
Its 20 kW Gravitas bus flew on 30 Mar 2026 with no compute payload named; the 100 kW Giga class for orbital compute is planned.[1]
What the stage means: Plans, filings or designs with no ODC hardware built or flown.
DoneConfirmed
$250M Series C at $3B valuation; Giga class aimed at AI compute on orbit
Led by Redpoint.
Source: PR Newswire
DoneCompany claim
Gravitas (first Mega class, 20 kW) launched and operating
Sources: K2 Space on X; TechCrunch
Targets as the organisation stated them. When a date moved, every move is listed with its source; a narrower window is shown as a narrowing.
2028
Operational commercial and national security constellations begin deployment[1]
What to watch · SpaceNexus note, not a prediction
Whether a compute customer is named for the Giga class.
| Figure | Value | Confidence and source |
|---|---|---|
| Gravitas bus power (flown) | 20 kW | Company claim[1] |
| Giga class power (planned, second half of 2028; K2 site lists 165 kW of array power) | 100 kW | Company claim[1] |
Rounds come from company announcements, regulatory filings and press reports. Amounts, valuations and investors are as reported and may be incomplete or later revised. Not investment advice, and not an offer or solicitation for any security. Full disclaimer
| Date | Round | Amount |
|---|---|---|
| 11 Dec 2025 | Series C ($3B valuation). Led by RedpointBus maker; not counted in the orbital data center total.Not in the tracker total: bus or network maker (an enabler), not a dedicated orbital-compute company.[1] | $250M |
| 30 Jul 2026 | Series D ($6.8B valuation). Led by Kleiner Perkins, ICONIQBus maker; outside the orbital data center total.Not in the tracker total: bus or network maker (an enabler), not a dedicated orbital-compute company.[1] | $500M |
Karan Kunjur (CEO) · Neel Kunjur (CTO)
| Program | Stage | Verified funding | Next step |
|---|---|---|---|
| K2 Space (this page) | Stage 1 of 7: Concept | Not counted | 2028: Operational commercial and national security constellations begin deployment |
| Agnikul and NeevCloud | Stage 1 of 7: Concept | Not counted | End of 2026: Pilot launch (300 to 350 kg unit) |
| Anthropic | Stage 1 of 7: Concept | Not counted | None announced |
| Apex | Stage 1 of 7: Concept | Not counted | 2027: Sophia Space TILE demo on an Apex Nova bus |
| Atomic-6 | Stage 1 of 7: Concept | Not counted | None announced |
| Blue Origin Sunrise | Stage 1 of 7: Concept | Not counted | Q4 2027: TeraWave deployment begins (the backhaul Sunrise depends on) |
| CASC / CAST | Stage 1 of 7: Concept | Not counted | 2027: Experimental 10 kW-class computing satellite (about 1,000 kg) |
Evidence reviewed 5 Oct 2026, fact-checked against primary sources. Nothing on this page is sponsored, and no company can pay to change, reorder or preview it. Spotted an error? Report a correction. How stages and labels work.
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