Q: What was Cosmos 1840's role in the GLONASS system?

A: It was part of the original GLONASS satellite family, contributing to the Soviet/Russian global navigation network.

Q: Where was Cosmos 1840 launched from?

A: It launched from Baikonur Cosmodrome Site 200 in Kazakhstan.

Q: What rocket carried Cosmos 1840 into orbit?

A: A Proton-K rocket with a Blok DM-2 upper stage deployed the satellite.

Cosmos 1840

Vehicle Glonass Q12753477

Facts

8 properties

Instance of: GLONASS
Launch date: 1987-04-24
Launch vehicle: Proton-K
Significant event: rocket launch^[4]
Space launch vehicle: Proton-K^[2]
Space tug: Blok DM-2^[5]
Start point: Baikonur Cosmodrome Site 200^[6]
UTC date of spacecraft launch: April 24, 1987^[3]

🏷️ Also known as

en Cosmos 1840 fr Kosmos 1840 ru Космос-1840

🔖 Identifiers · 3

COSPAR ID: 1987-036C
SCN: 17904
Wolfram Language entity code: Entity["Satellite", "17904"]

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

🔗 Connections

Instance of 1

GLONASS

Significant event 1

rocket launch

Space launch vehicle 1

Proton-K

Space tug 1

Blok DM-2

Start point 1

Baikonur Cosmodrome Site 200

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Summary

Cosmos 1840 is a GLONASS^[1].

References

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

Direct Wikidata claims

[2] ↑ Cosmos 1840 — space launch vehicle (P375): Proton-K. Jonathan's Space Report. wikidata.org.
[3] ↑ Cosmos 1840 — UTC date of spacecraft launch (P619): April 24, 1987. Jonathan's Space Report. wikidata.org.
[4] ↑ Cosmos 1840 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[5] ↑ Cosmos 1840 — space tug (P1201): Blok DM-2. Jonathan's Space Report. wikidata.org.
[6] ↑ Cosmos 1840 — start point (P1427): Baikonur Cosmodrome Site 200. Jonathan's Space Report. wikidata.org.

Class ancestry

[1] ↑ Cosmos 1840 is an instance of GLONASS (Q20744047) [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 1840. Retrieved May 3, 2026, from https://4ort.xyz/entity/cosmos-1840

MLA “Cosmos 1840.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cosmos-1840.

BibTeX

@misc{4ortxyz_cosmos-1840_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Cosmos 1840}}, year = {2026}, url = {https://4ort.xyz/entity/cosmos-1840}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Cosmos 1840 — https://4ort.xyz/entity/cosmos-1840 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/cosmos-1840 · Last refreshed: May 3, 2026