Q: What was the purpose of Cosmos 831?

A: Cosmos 831 was a military communications satellite designed to provide secure communication channels for Soviet armed forces.

Q: What rocket launched Cosmos 831?

A: It was launched aboard a Kosmos-3M rocket, a Soviet launch vehicle commonly used for deploying small military satellites.

Q: Where was Cosmos 831 launched from?

A: It lifted off from Plesetsk Cosmodrome Site 132, a major Soviet/Russian launch facility for military and reconnaissance satellites.

Cosmos 831

Thing strela_1m Q559593

Facts

7 properties

Instance of: Strela-1M
Launch date: 1976-06-15
Launch vehicle: Kosmos-3M
Significant event: rocket launch^[4]
Space launch vehicle: Kosmos-3M^[2]
Start point: Plesetsk Cosmodrome Site 132^[5]
UTC date of spacecraft launch: June 15, 1976^[3]

🏷️ Also known as

en Cosmos 831 fr Kosmos 831 hu Koszmosz–831 ru Космос-831

🔖 Identifiers · 4

COSPAR ID: 1976-054G
Google Knowledge Graph ID: /g/120yxqh9
SCN: 08895
Wolfram Language entity code: Entity["Satellite", "08895"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Instance of 1

Strela-1M

Significant event 1

rocket launch

Space launch vehicle 1

Kosmos-3M

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Summary

Cosmos 831 is a Strela-1M^[1].

References

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

Direct Wikidata claims

[2] ↑ Cosmos 831 — space launch vehicle (P375): Kosmos-3M. Jonathan's Space Report. wikidata.org.
[3] ↑ Cosmos 831 — UTC date of spacecraft launch (P619): June 15, 1976. Jonathan's Space Report. wikidata.org.
[4] ↑ Cosmos 831 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[5] ↑ Cosmos 831 — start point (P1427): Plesetsk Cosmodrome Site 132. Jonathan's Space Report. wikidata.org.

Class ancestry

[1] ↑ Cosmos 831 is an instance of Strela-1M (Q14701805) [P31, primary]. Wikidata. 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). Cosmos 831. Retrieved May 3, 2026, from https://4ort.xyz/entity/cosmos-831

MLA “Cosmos 831.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cosmos-831.

BibTeX

@misc{4ortxyz_cosmos-831_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cosmos 831}}, year = {2026}, url = {https://4ort.xyz/entity/cosmos-831}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cosmos 831 — https://4ort.xyz/entity/cosmos-831 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cosmos-831 · Last refreshed: May 3, 2026