# Cosmos 1812
**Wikidata**: [Q12907500](https://www.wikidata.org/wiki/Q12907500)  
**Source**: https://4ort.xyz/entity/cosmos-1812

## Summary
Cosmos 1812 (also spelled Kosmos 1812) is a Tselina-D class Soviet signals-intelligence satellite launched on 14 January 1987. It was placed into space from Plesetsk Cosmodrome Site 32 atop a Tsyklon-3 launch vehicle and is cataloged under COSPAR ID 1987-003A and satellite catalog number 17295.

## Key Facts
- Cosmos 1812 is an instance of the Tselina-D class, a model of Soviet signals intelligence (SIGINT) satellite.
- COSPAR ID: 1987-003A.
- Satellite Catalog Number (SCN): 17295.
- Launch date: 14 January 1987.
- Launch time (qualifier): 09:05:00 on 14 January 1987 (as the recorded launch event time).
- Launch site: Plesetsk Cosmodrome, Site 32.
- Launch vehicle: Tsyklon-3 (an expendable Soviet/Ukrainian launch vehicle).
- Alternate name/alias: Kosmos 1812.
- Has Wikipedia sitelinks in Macedonian (mk), Serbo-Croatian (sh), and Serbian (sr).
- Wolfram Language entity code: Entity["Satellite", "17295"].

## FAQs
### Q: What type of satellite is Cosmos 1812?
A: Cosmos 1812 is a Tselina-D class satellite, a model used for Soviet signals intelligence (SIGINT) missions.

### Q: When and from where was Cosmos 1812 launched?
A: It was launched on 14 January 1987 from Plesetsk Cosmodrome Site 32. The recorded launch event time is 09:05:00 on that date.

### Q: What launch vehicle deployed Cosmos 1812?
A: Cosmos 1812 was launched on a Tsyklon-3 expendable launch vehicle.

### Q: How is Cosmos 1812 cataloged in international registries?
A: Its COSPAR ID is 1987-003A and its satellite catalog number is 17295.

## Why It Matters
Cosmos 1812 is part of the Tselina-D family, a series of Soviet satellites designed for signals intelligence. As a SIGINT spacecraft, it contributed to the USSR’s capacity to collect electronic communications and emissions from space, a critical capability for military reconnaissance and national security during the Cold War era. The launch of Cosmos 1812 also demonstrates the operational use of the Tsyklon-3 launch vehicle and activity at the Plesetsk Cosmodrome, which were important elements of the Soviet space infrastructure. Cataloged artifacts like COSPAR identifiers and satellite catalog numbers allow researchers and analysts to track individual missions, correlate them with geopolitical timelines, and study the development of space-based intelligence systems. For historians, engineers, and policy analysts, Cosmos 1812 represents a documented data point in the broader history of electronic intelligence and Soviet space operations.

## Notable For
- Being a Tselina-D class satellite, indicating its role in Soviet signals intelligence (SIGINT).
- Launch on 14 January 1987 from Plesetsk Cosmodrome Site 32 at 09:05:00.
- Deployment by the Tsyklon-3 launch vehicle.
- Identification in space registries as COSPAR ID 1987-003A and SCN 17295.
- Presence in multiple-language Wikipedia entries (mk, sh, sr) and a Wolfram Language satellite entity.

## Body

### Overview
- Name: Cosmos 1812 (alias Kosmos 1812).
- Class/Type: Tselina-D, a model of Soviet signals intelligence satellite.
- Purpose: Signals intelligence (implied by class designation).

### Identification and catalog data
- COSPAR International Designator: 1987-003A.
- Satellite Catalog Number (SCN): 17295.
- Wolfram Language entity: Entity["Satellite", "17295"].
- Wikipedia sitelinks available in: mk, sh, sr.
- Sitelink count indicated as 3.

### Launch details
- Launch date: 14 January 1987.
- Recorded launch event time: 09:05:00 on 14 January 1987.
- Launch site: Plesetsk Cosmodrome, Site 32.
- Launch vehicle: Tsyklon-3, an expendable Soviet/Ukrainian launch vehicle.

### Spacecraft class and role
- Instance of: Tselina-D class (signals intelligence satellite).
- Role implication: As a Tselina-D instance, Cosmos 1812 was part of the Soviet SIGINT satellite program.

### Metadata and references
- Structured property source reference key for many facts: Q6272367 (as the cited reference for structured properties).
- COSPAR reference provenance noted as Q200386 for the COSPAR ID record.

(End of entry)

## References

1. Jonathan's Space Report