ESA/ArianeGroup Prometheus
ESA/ArianeGroup Prometheus reusable low-cost liquid-rocket-engine demonstrator model. ESA identifies its LOX/methane propellant boundary and Themis technology-demonstration role; this packet records identity only and does not assert a Themis installation, actor attribution, sibling hydrogen concept, or lineage edge.
Identity
- Aliases
- PrometheusESA PrometheusArianeGroup Prometheus
- Domains
- spaceflight
- Identity Level
- model
- Kind
- liquid-rocket-engine
- Name
- ESA/ArianeGroup Prometheus
- Status
- development
Details
- Description
- ESA/ArianeGroup Prometheus reusable low-cost liquid-rocket-engine demonstrator model. ESA identifies its LOX/methane propellant boundary and Themis technology-demonstration role; this packet records identity only and does not assert a Themis installation, actor attribution, sibling hydrogen concept, or lineage edge.
- Propellants
- liquid oxygenliquid methane
Links
Assets & Meta
- Creation Time
- August 7, 2026 at 22:21:53 UTC
- Updated Time
- August 7, 2026 at 22:21:53 UTC
Other
- Sources
- Accessed Date
- 2026-08-07
- Note
- Official ESA page identifies Prometheus as a low-cost reusable rocket engine, its LOX/liquid-methane propellant pair, and its use in Themis technology demonstration.
- Publisher
- European Space Agency
- Title
- Prometheus
- Accessed Date
- 2026-08-07
- Note
- Official ArianeGroup material establishes Prometheus as an engine demonstrator and preserves the program identity without requiring an aircraft or launcher-family relationship.
- Publisher
- ArianeGroup
- Title
- Prometheus: Demonstrator of Future