Two Indian startups will test orbital computing and… · SpaceX Daily 🚀
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🎧 Today's episode Episode 117 · Two Indian startups will test orbital computing and thermal sensing on a Falcon 9 tonight. 2026-10-01 ▶ Listen now |
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Top News
Community BuzzReddit users discussed whether current Starship vehicles include crew quarters and when human-rating hardware might appear. The thread examined Block 3 vehicle architecture and future modifications needed for crewed flight. Source: reddit.com Monthly discussion thread opened on r/SpaceXLounge for general SpaceX and spaceflight questions. Participants are invited to post any topic related to the company or broader spaceflight. Source: reddit.com The CounterpointOne thing worth watching is short-seller Jim Chanos highlighting an 80 percent cut in Musk’s 2027 Starship launch forecast after the target shifted from daily flights to 50–100 launches annualized. Consultant Tim Farrar argued even the revised cadence may represent only a year-end goal rather than a sustained rate. The gap between earlier daily targets and current weekly expectations will determine whether revenue projections tied to Starship cadence hold. Chanos compared the midpoint of 75 launches against a prior daily-rate assumption of 365. Source: stocktwits.com AI & ComputeEngineering Deep DiveThe engineering reality behind orbital data centers begins with power and heat. A single AI1 satellite must reject roughly 120 kilowatts of waste heat through radiators while drawing that same power from solar arrays whose output varies with orbital position. In vacuum the only heat-transfer mechanism is radiation, so radiator area scales directly with the kilowatts that must be rejected; Starlink’s existing 10,000 satellites already fly comparable radiator designs, giving SpaceX flight heritage on the thermal side. The economic lever is launch cost: once Starship drops the price per kilogram low enough, the marginal cost of placing a kilowatt-hour of compute in orbit falls below terrestrial equivalents that must also pay for land, cooling towers, and grid connections. Musk’s stated target of 5–10 gigawatts of terrestrial capacity by 2027 therefore serves as a bridge, letting the company amortize AI1 production tooling while Starship cadence improves. If the first orbital units reach 120 kilowatts each and the constellation scales, total on-orbit compute could eventually exceed any single terrestrial cluster without requiring new power plants on the ground. The design choice to fly large solar arrays paired with dedicated radiators mirrors the thermal architecture already proven on Starlink, reducing the number of new failure modes. Production at the Bastrop Gigasat factory will need to achieve high throughput to support even a modest initial constellation before the million-satellite FCC filing becomes relevant. The 120-kilowatt average power figure sets a clear floor for radiator sizing and solar-array output, two variables that must stay in balance across every orbit. Once Starship reaches routine weekly flights, the cost per kilogram delivered drops far enough that the raw materials and silicon inside each satellite become the dominant expense rather than the ride to orbit. That shift is the exact point at which orbital data centers move from conceptual to economically competitive with ground-based clusters. Market WatchSPCX closed at $150.86. That covers everything worth knowing about SpaceX today. |
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| Issue #117 · SpaceX Daily · Oct 1, 2026 |
