Q: What is Cosmos 451?

A: Cosmos 451, also known as Kosmos 451, was a Strela-1M class satellite. It was launched by the Soviet Union in 1971.

Q: When was Cosmos 451 launched?

A: Cosmos 451 was launched on October 13, 1971. The launch occurred at 13:41:00 on that date.

Q: Where was Cosmos 451 launched from?

A: Cosmos 451 was launched from Plesetsk Cosmodrome Site 132. This launch site is located in the Soviet Union.

Q: What type of satellite is Cosmos 451?

A: Cosmos 451 is classified as a Strela-1M class satellite. It is an instance of this specific satellite type.

Q: What rocket launched Cosmos 451?

A: Cosmos 451 was launched using a Kosmos-3M rocket. This rocket is associated with the Soviet Union and Russia.

Cosmos 451

Thing strela_1m Q12753856

Facts

7 properties

Instance of: Strela-1M
Launch date: 1971-10-13
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: October 13, 1971^[3]

🏷️ Also known as

en Cosmos 451 fr Kosmos 451 hu Koszmosz–451 ru Космос-451

🔖 Identifiers · 3

COSPAR ID: 1971-086H
Google Knowledge Graph ID: /g/120jl284
SCN: 05554

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 451 is a Strela-1M^[1].

References

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

Direct Wikidata claims

[2] ↑ Cosmos 451 — space launch vehicle (P375): Kosmos-3M. Jonathan's Space Report. wikidata.org.
[3] ↑ Cosmos 451 — UTC date of spacecraft launch (P619): October 13, 1971. Jonathan's Space Report. wikidata.org.
[4] ↑ Cosmos 451 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[5] ↑ Cosmos 451 — start point (P1427): Plesetsk Cosmodrome Site 132. Jonathan's Space Report. wikidata.org.

Class ancestry

[1] ↑ Cosmos 451 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 451. Retrieved May 3, 2026, from https://4ort.xyz/entity/cosmos-451

MLA “Cosmos 451.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cosmos-451.

BibTeX

@misc{4ortxyz_cosmos-451_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cosmos 451}}, year = {2026}, url = {https://4ort.xyz/entity/cosmos-451}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cosmos 451 — https://4ort.xyz/entity/cosmos-451 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cosmos-451 · Last refreshed: May 3, 2026