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Explorer 2

American research satellite, lost during a launch vehicle failure
Vehicle research_satellite Q553214
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Explorer 2

Summary

Explorer 2 is a research satellite[1]. It draws 106 Wikipedia views per month (research_satellite category, ranking #8 of 47).[2]

Key Facts

  • Explorer 2 is in the country of United States[3].
  • Explorer 2's instance of is recorded as research satellite[4].
  • Explorer 2's instance of is recorded as former entity[5].
  • Explorer 2 followed Explorer 1[6].
  • Explorer 2's manufacturer is recorded as Jet Propulsion Laboratory[7].
  • Explorer 2 is part of Explorers Program[8].
  • Explorer 2's Commons category is recorded as Explorer 2[9].
  • Explorer 2's space launch vehicle is recorded as Juno I[10].
  • Explorer 2's UTC date of spacecraft launch is recorded as March 5, 1958[11].
  • Explorer 2's significant event is recorded as rocket launch[12].
  • Explorer 2's start point is recorded as Cape Canaveral Launch Complex 26[13].
  • Explorer 2's mass is recorded as {'unit': 'Q11570', 'amount': '+14.52'}[14].

Why It Matters

Explorer 2 draws 106 Wikipedia views per month (research_satellite category, ranking #8 of 47).[2] It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[15]

Related Entities

Explorer 1 former entity Juno I research satellite 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] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . Jonathan's Space Report. wikidata.org.
  9. [11] ↑ . Jonathan's Space Report. wikidata.org.
  10. [12] ↑ . Jonathan's Space Report. wikidata.org.
  11. [13] ↑ . Jonathan's Space Report. wikidata.org.
  12. [14] ↑ . history.nasa.gov. history.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . 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). Explorer 2. Retrieved May 3, 2026, from https://4ort.xyz/entity/explorer-2
MLA “Explorer 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/explorer-2.
BibTeX @misc{4ortxyz_explorer-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Explorer 2}}, year = {2026}, url = {https://4ort.xyz/entity/explorer-2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Explorer 2 — https://4ort.xyz/entity/explorer-2 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/explorer-2 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · APTEM · 2026-05-11 view diff on Wikidata ↗
    Country → United States
    Freebase id → —
    Freebase id → /m/03kbvs
    Nssdca id → —
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P18]]: Explorer1Structure.jpg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.