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Kosmos 954

Failed nuclear spacecraft
Thing us_a Q569198
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Key Facts

  • Country: Canada[1]
  • Space launch vehicle: Tsyklon-2[2]
  • Parent astronomical body: Earth[3]
  • UTC date of spacecraft launch: September 18, 1977[4]
  • Time of object orbit decay: January 24, 1978[5]
  • Significant event: uncontrolled reentry[6], rocket launch[7]
  • Orbital eccentricity: 0.001353[8]
  • Start point: Baikonur Cosmodrome Site 90[9]
  • Native label: Космос-954[10]
  • Orbital inclination: 65 degree[11]
  • Orbital period: 89.6 minutes[12]
  • Apoapsis: 277 km[13]
  • Periapsis: 259 km[14]
  • Power consumed: 3 kilowatt[15]

Related Entities

Canada Tsyklon-2 US-A

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . Jonathan's Space Report. wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . Jonathan's Space Report. wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . Jonathan's Space Report. wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . Jonathan's Space Report. wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . 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). Kosmos 954. Retrieved November 1, 2026, from https://4ort.xyz/entity/kosmos-954
MLA “Kosmos 954.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/kosmos-954.
BibTeX @misc{4ortxyz_kosmos-954_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kosmos 954}}, year = {2026}, url = {https://4ort.xyz/entity/kosmos-954}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kosmos 954 — https://4ort.xyz/entity/kosmos-954 (retrieved 2026-11-01)

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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. 20w ago · הנדב הנכון · 2026-06-08 view diff on Wikidata ↗
    Country → Canada
    Wolfram language entity code → Entity["Satellite", "10361"]
    Start point → —
    Wolfram language entity code → —
    + 40 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Native label: Космос-954"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.