CAT-4

ESA artificial satellite
Vehicle research_satellite Q48561
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CAT-4

Summary

CAT-4 is a research satellite[1]. CAT-4 is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • CAT-4's instance of is recorded as research satellite[3].
  • CAT-4's instance of is recorded as derelict satellite[4].
  • CAT-4's operator is recorded as European Space Agency[5].
  • CAT-4's follows is recorded as CAT-3[6].
  • CAT-4's manufacturer is recorded as Aeritalia[7].
  • CAT-4's manufacturer is recorded as Selenia[8].
  • CAT-4's COSPAR ID is recorded as 1981-122B[9].
  • CAT-4's space launch vehicle is recorded as Ariane 1[10].
  • CAT-4's SCN is recorded as 13011[11].
  • CAT-4's powered by is recorded as primary cell[12].
  • CAT-4's UTC date of spacecraft launch is recorded as +1981-12-20T00:00:00Z[13].
  • CAT-4's significant event is recorded as rocket launch[14].
  • CAT-4's start point is recorded as ELA-1[15].
  • CAT-4's Google Knowledge Graph ID is recorded as /g/11bbxqz8zb[16].
  • CAT-4's Wolfram Language entity code is recorded as Entity["Satellite", "13011"][17].

Why It Matters

CAT-4 is known by 5 alternative names across languages and contexts.[2]

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] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  6. [8] . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Jonathan's Space Report. wikidata.org.
  9. [11] . Jonathan's Space Report. wikidata.org.
  10. [12] . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  11. [13] . Jonathan's Space Report. wikidata.org.
  12. [14] . Jonathan's Space Report. wikidata.org.
  13. [15] . Jonathan's Space Report. wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . 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). CAT-4. Retrieved May 3, 2026, from https://4ort.xyz/entity/cat-4
MLA “CAT-4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cat-4.
BibTeX @misc{4ortxyz_cat-4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{CAT-4}}, year = {2026}, url = {https://4ort.xyz/entity/cat-4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): CAT-4 — https://4ort.xyz/entity/cat-4 (retrieved 2026-05-03)

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