{"id":"aa7184d9-76eb-4942-8134-fab536e2e908","modelId":"29eaa53c-0c80-4c11-bc35-5adf73c33116","versionId":null,"locationId":"aaf012fa-168b-4846-953c-a3295195aebc","operatorId":null,"ownerId":null,"slug":"helios-north-america","status":"operational","firstSeen":null,"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://rover.report","title":"Rover registry backfill","date_accessed":"2026-06-07"}],"notes":"North American operational deployment. Helios operations.","keyFacts":[],"reviewNote":null,"exposureHours":null,"exposureBasis":null,"customerSegment":null,"scaleTier":null,"contractValueUsd":null,"contractValueBasis":null,"customerCompanyId":null,"customerExternalName":null,"createdAt":"2026-06-08T01:06:05.407Z","updatedAt":"2026-06-08T01:06:05.407Z","model":{"id":"29eaa53c-0c80-4c11-bc35-5adf73c33116","companyId":"90becab7-664d-4140-8b1e-2703d1be7e91","modelName":"Helios","slug":"helios","description":"High-energy kick stage designed for direct GEO insertion from LEO. 3.5 m diameter. Primary engine: Deneb (67 kN LOX/methane, ox-rich staged combustion, 380+ s Isp). Payload capacity ~4,000 kg. First flight targeted 2026 (Falcon 9, with two Mira vehicles). First commercial customer: SES (multi-launch agreement, first mission 2027).","formFactor":"space","maturityStage":"pilot","lifecycleState":"active","supersededByModelId":null,"specs":{"role":"high-energy kick stage","payload":"~4,000 kg to GEO","autonomy":"autonomous multi-burn GTO-to-GEO transfer","diameter":"3.5 m","propulsion":"Deneb (67 kN, LOX/methane, staged combustion)"},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.ses.com/press-release/ses-signs-multi-launch-agreement-helios-transport-services-impulse-space","title":"SES Signs Multi-Launch Agreement for Helios Transport Services with Impulse Space","sourceName":"SES (primary)"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"createdAt":"2026-06-07T13:19:53.200Z","updatedAt":"2026-06-07T13:19:53.200Z","company":{"id":"90becab7-664d-4140-8b1e-2703d1be7e91","name":"Impulse Space","slug":"impulse-space","description":"US in-space logistics and propulsion company founded by former SpaceX propulsion chief Tom Mueller. 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