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J-2

cryogenic rocket engine by Rocketdyne
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J-2

Summary

J-2 is an engine model[1]. J-2 draws 222 Wikipedia views per month (engine_model category, ranking #56 of 519).[2]

Key Facts

  • J-2's image is recorded as J-2 science museum.jpg[3].
  • J-2's instance of is recorded as engine model[4].
  • J-2's manufacturer is recorded as Rocketdyne[5].
  • J-2's developer is recorded as Rocketdyne[6].
  • J-2's developer is recorded as Marshall Space Flight Center[7].
  • J-2's subclass of is recorded as cryogenic rocket engine[8].
  • J-2's Commons category is recorded as J-2 (rocket engine)[9].
  • J-2's country of origin is recorded as United States[10].
  • J-2's source of energy is recorded as liquid oxygen[11].
  • J-2's source of energy is recorded as liquid hydrogen[12].
  • J-2's Freebase ID is recorded as /m/034_q7[13].
  • J-2's different from is recorded as J2[14].
  • J-2's height is recorded as {'unit': 'Q11573', 'amount': '+3.38'}[15].
  • J-2's mass is recorded as {'unit': 'Q11570', 'amount': '+1578.5'}[16].
  • J-2's mass is recorded as {'unit': 'Q11570', 'amount': '+1578.5'}[17].
  • J-2's mass is recorded as {'unit': 'Q11570', 'amount': '+1583.9'}[18].
  • J-2's maximum thrust is recorded as {'unit': 'Q1194225', 'amount': '+200000'}[19].
  • J-2's maximum thrust is recorded as {'unit': 'Q1194225', 'amount': '+225000'}[20].
  • J-2's maximum thrust is recorded as {'unit': 'Q1194225', 'amount': '+230000'}[21].
  • J-2's diameter is recorded as {'unit': 'Q11573', 'amount': '+2.07'}[22].
  • J-2's specific impulse by weight is recorded as {'unit': 'Q11574', 'amount': '+418'}[23].
  • J-2's specific impulse by weight is recorded as {'unit': 'Q11574', 'amount': '+419'}[24].
  • J-2's specific impulse by weight is recorded as {'unit': 'Q11574', 'amount': '+421'}[25].

Body

Designation and Status

J-2's instance of is recorded as engine model[4].

Why It Matters

J-2 draws 222 Wikipedia views per month (engine_model category, ranking #56 of 519).[2] J-2 has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[26] J-2 is known by 18 alternative names across languages and contexts.[27]

Related Entities

Marshall Space Flight Center United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . Freebase Data Dumps. wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . images.nasa.gov. images.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] ↑ . Wikidata sitelinks. wikidata.org.
  3. [27] ↑ . Wikidata aliases. wikidata.org.

📑 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). J-2. Retrieved May 3, 2026, from https://4ort.xyz/entity/j-2
MLA “J-2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/j-2.
BibTeX @misc{4ortxyz_j-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{J-2}}, year = {2026}, url = {https://4ort.xyz/entity/j-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): J-2 — https://4ort.xyz/entity/j-2 (retrieved 2026-05-03)

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