Discoverer 3

American military reconnaissance satellite
Vehicle reconnaissance_satellite Q906159
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Discoverer 3

Summary

Discoverer 3 is a reconnaissance satellite[1]. It draws 3 Wikipedia views per month (reconnaissance_satellite category, ranking #24 of 76).[2]

Key Facts

  • Discoverer 3's image is recorded as Agena-A Discoverer.jpg[3].
  • Discoverer 3's instance of is recorded as reconnaissance satellite[4].
  • Discoverer 3's part of is recorded as Corona[5].
  • Discoverer 3's Commons category is recorded as Discoverer 3[6].
  • Discoverer 3's space launch vehicle is recorded as Thor-Agena A[7].
  • Discoverer 3's UTC date of spacecraft launch is recorded as +1959-06-03T00:00:00Z[8].
  • Discoverer 3's significant event is recorded as rocket launch[9].
  • Discoverer 3's start point is recorded as Vandenberg Space Launch Complex 1[10].
  • Discoverer 3's mass is recorded as {'unit': 'Q11570', 'amount': '+753'}[11].
  • Discoverer 3's diameter is recorded as {'unit': 'Q11573', 'amount': '+1.52'}[12].
  • Discoverer 3's Google Knowledge Graph ID is recorded as /g/121b786p[13].

Why It Matters

Discoverer 3 draws 3 Wikipedia views per month (reconnaissance_satellite category, ranking #24 of 76).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[14]

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] . Jonathan's Space Report. wikidata.org.
  6. [8] . Jonathan's Space Report. wikidata.org.
  7. [9] . Jonathan's Space Report. wikidata.org.
  8. [10] . Jonathan's Space Report. wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [14] . Wikidata sitelinks. 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). Discoverer 3. Retrieved May 3, 2026, from https://4ort.xyz/entity/discoverer-3
MLA “Discoverer 3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/discoverer-3.
BibTeX @misc{4ortxyz_discoverer-3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Discoverer 3}}, year = {2026}, url = {https://4ort.xyz/entity/discoverer-3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Discoverer 3 — https://4ort.xyz/entity/discoverer-3 (retrieved 2026-05-03)

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