S400

liquid-propellant rocket engine by ArianeGroup
Thing engine_family Q25203229
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S400

Summary

S400 is an engine family[1]. S400 draws 4 Wikipedia views per month (engine_family category, ranking #239 of 345).[2]

Key Facts

  • S400's instance of is recorded as engine family[3].
  • S400's manufacturer is recorded as Orbital Propulsion Centre[4].
  • S400's subclass of is recorded as liquid apogee engine[5].
  • S400's country of origin is recorded as Germany[6].
  • S400's first flight is recorded as +1974-12-19T00:00:00Z[7].
  • S400's source of energy is recorded as mixed oxides of nitrogen[8].
  • S400's source of energy is recorded as monomethylhydrazine[9].
  • S400's Google Knowledge Graph ID is recorded as /g/11bwd_t07c[10].

Why It Matters

S400 draws 4 Wikipedia views per month (engine_family category, ranking #239 of 345).[2]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). S400. Retrieved May 3, 2026, from https://4ort.xyz/entity/s400
MLA “S400.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/s400.
BibTeX @misc{4ortxyz_s400_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{S400}}, year = {2026}, url = {https://4ort.xyz/entity/s400}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): S400 — https://4ort.xyz/entity/s400 (retrieved 2026-05-03)

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