Pioneer 4

U.S. space probe which performed a lunar flyby
Thing flyby_probe Q597119
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Pioneer 4

Summary

Pioneer 4 is a flyby probe[1]. It draws 142 Wikipedia views per month (flyby_probe category, ranking #6 of 8).[2]

Key Facts

  • Pioneer 4's image is recorded as Pioneer-3-4.gif[3].
  • Pioneer 4's instance of is recorded as flyby probe[4].
  • Pioneer 4's instance of is recorded as artificial satellite of the Sun[5].
  • Pioneer 4's operator is recorded as Jet Propulsion Laboratory[6].
  • Pioneer 4's follows is recorded as Pioneer 3[7].
  • Pioneer 4's followed by is recorded as Pioneer P-1[8].
  • Pioneer 4's manufacturer is recorded as Jet Propulsion Laboratory[9].
  • Pioneer 4's COSPAR ID is recorded as 1959-013A[10].
  • Pioneer 4's part of is recorded as Pioneer program[11].
  • Pioneer 4's Commons category is recorded as Pioneer 4[12].
  • Pioneer 4's space launch vehicle is recorded as Juno II[13].
  • Pioneer 4's SCN is recorded as 00113[14].
  • Pioneer 4's parent astronomical body is recorded as Sun[15].
  • Pioneer 4's UTC date of spacecraft launch is recorded as +1959-03-03T00:00:00Z[16].
  • Pioneer 4's Freebase ID is recorded as /m/0l2ft[17].
  • Pioneer 4's significant event is recorded as rocket launch[18].
  • Pioneer 4's significant event is recorded as flyby[19].
  • Pioneer 4's significant event is recorded as loss of signal[20].
  • Pioneer 4's orbital eccentricity is recorded as {'amount': '+0.07109'}[21].
  • Pioneer 4's start point is recorded as Cape Canaveral Launch Complex 5[22].
  • Pioneer 4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.5'}[23].
  • Pioneer 4's duration is recorded as {'unit': 'Q25235', 'amount': '+82.5'}[24].
  • Pioneer 4's mass is recorded as {'unit': 'Q11570', 'amount': '+6.1'}[25].
  • Pioneer 4's orbital period is recorded as {'unit': 'Q573', 'amount': '+398'}[26].
  • Pioneer 4's semi-major axis of an orbit is recorded as {'unit': 'Q828224', 'amount': '+164780000'}[27].

Why It Matters

Pioneer 4 draws 142 Wikipedia views per month (flyby_probe category, ranking #6 of 8).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[28]

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] . Retrieved . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Retrieved . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . Jonathan's Space Report. wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . Retrieved . wikidata.org.
  14. [16] . Jonathan's Space Report. wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . Jonathan's Space Report. wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Retrieved . wikidata.org.
  20. [22] . Jonathan's Space Report. wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Retrieved . wikidata.org.
  23. [25] . nssdc.gsfc.nasa.gov. nssdc.gsfc.nasa.gov. Provenance: wikidata.org.
  24. [26] . Retrieved . wikidata.org.
  25. [27] . Retrieved . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . 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). Pioneer 4. Retrieved May 3, 2026, from https://4ort.xyz/entity/pioneer-4
MLA “Pioneer 4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pioneer-4.
BibTeX @misc{4ortxyz_pioneer-4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Pioneer 4}}, year = {2026}, url = {https://4ort.xyz/entity/pioneer-4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Pioneer 4 — https://4ort.xyz/entity/pioneer-4 (retrieved 2026-05-03)

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