Intelsat I

the first commercial communications satellite
Vehicle communications_satellite Q1250614
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Intelsat I

Summary

Intelsat I is a communications satellite[1]. It ranks in the top 1% of communications_satellite entities by monthly Wikipedia readership (787 views/month).[2]

Key Facts

  • Intelsat I's instance of is recorded as communications satellite[3].
  • Intelsat I's instance of is recorded as International Telecommunications Satellite[4].
  • Intelsat I is operated by COMSAT[5].
  • Intelsat I's manufacturer is recorded as Hughes Aircraft Company[6].
  • Intelsat I's space launch vehicle is recorded as Delta D[7].
  • Intelsat I's type of orbit is recorded as geosynchronous orbit[8].
  • Intelsat I's UTC date of spacecraft launch is recorded as April 6, 1965[9].
  • Intelsat I's significant event is recorded as rocket launch[10].
  • Intelsat I's start point is recorded as Cape Canaveral Space Launch Complex 17[11].
  • Intelsat I's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+11.7'}[12].
  • Intelsat I's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.8'}[13].
  • Intelsat I's orbital period is recorded as {'unit': 'Q7727', 'amount': '+1435.90'}[14].
  • Intelsat I's orbital period is recorded as {'unit': 'Q7727', 'amount': '+1437.4'}[15].
  • Intelsat I's semi-major axis of an orbit is recorded as {'unit': 'Q828224', 'amount': '+42190'}[16].
  • Intelsat I's apoapsis is recorded as {'unit': 'Q828224', 'amount': '+35819'}[17].
  • Intelsat I's apoapsis is recorded as {'unit': 'Q828224', 'amount': '+35831.1'}[18].
  • Intelsat I's periapsis is recorded as {'unit': 'Q828224', 'amount': '+35746'}[19].
  • Intelsat I's periapsis is recorded as {'unit': 'Q828224', 'amount': '+35807.4'}[20].
  • Intelsat I's call sign is recorded as Early Bird[21].

Why It Matters

Intelsat I ranks in the top 1% of communications_satellite entities by monthly Wikipedia readership (787 views/month).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[22] It is known by 12 alternative names across languages and contexts.[23]

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] ↑ . space.skyrocket.de. Retrieved . space.skyrocket.de. Provenance: wikidata.org.
  4. [6] ↑ . space.skyrocket.de. Retrieved . space.skyrocket.de. Provenance: wikidata.org.
  5. [7] ↑ . Jonathan's Space Report. wikidata.org.
  6. [8] ↑ . astronautix.com. Retrieved . astronautix.com. Provenance: wikidata.org.
  7. [9] ↑ . Jonathan's Space Report. wikidata.org.
  8. [10] ↑ . Jonathan's Space Report. wikidata.org.
  9. [11] ↑ . Jonathan's Space Report. wikidata.org.
  10. [12] ↑ . astronautix.com. Retrieved . astronautix.com. Provenance: wikidata.org.
  11. [13] ↑ . n2yo.com. Retrieved . n2yo.com. Provenance: wikidata.org.
  12. [14] ↑ . astronautix.com. Retrieved . astronautix.com. Provenance: wikidata.org.
  13. [15] ↑ . n2yo.com. Retrieved . n2yo.com. Provenance: wikidata.org.
  14. [16] ↑ . n2yo.com. Retrieved . n2yo.com. Provenance: wikidata.org.
  15. [17] ↑ . astronautix.com. Retrieved . astronautix.com. Provenance: wikidata.org.
  16. [18] ↑ . n2yo.com. Retrieved . n2yo.com. Provenance: wikidata.org.
  17. [19] ↑ . astronautix.com. Retrieved . astronautix.com. Provenance: wikidata.org.
  18. [20] ↑ . n2yo.com. Retrieved . n2yo.com. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [22] ↑ . Wikidata sitelinks. wikidata.org.
  3. [23] ↑ . 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). Intelsat I. Retrieved October 7, 2026, from https://4ort.xyz/entity/intelsat-i
MLA “Intelsat I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 Oct. 2026, https://4ort.xyz/entity/intelsat-i.
BibTeX @misc{4ortxyz_intelsat-i_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Intelsat I}}, year = {2026}, url = {https://4ort.xyz/entity/intelsat-i}, note = {Accessed: 2026-10-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Intelsat I — https://4ort.xyz/entity/intelsat-i (retrieved 2026-10-07)

Canonical URL: https://4ort.xyz/entity/intelsat-i · 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. 11d ago · Printstream · 2026-09-27 view diff on Wikidata ↗
    Start point → Cape Canaveral Space Launch Complex 17
    Scn → 01317
    Encyclopædia britannica online id → topic/Intelsat-I
    Launch date → —
    + 40 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/56529|batch #56529]]: Import GNDs from dewiki"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.