# Cosmos 1678
**Wikidata**: [Q12753395](https://www.wikidata.org/wiki/Q12753395)  
**Source**: https://4ort.xyz/entity/cosmos-1678

## Summary
Cosmos 1678 (also spelled Kosmos 1678) is a spacecraft of the Resurs-F1 17F41 class that was launched on 1985-08-29. It carried the COSPAR designation 1985-077A and was launched from Plesetsk Cosmodrome Site 41 on a Soyuz-U rocket.

## Key Facts
- Instance: Resurs-F1 17F41 class spacecraft (instance_of: Resurs-F1 17F41).
- COSPAR ID: 1985-077A.
- Launch date: 1985-08-29.
- Launch vehicle: Soyuz-U.
- Launch site (start_point): Plesetsk Cosmodrome Site 41.
- SCN (catalog number): 15997.
- Significant event recorded: rocket launch from Plesetsk Cosmodrome Site 41 at 10:15:00 on 1985-08-29.
- Alias: Kosmos 1678.
- Wolfram Language entity code: Entity["Satellite", "15997"].
- Wikipedia sitelink presence: 3 language entries (mk, sh, sr).

## FAQs
### Q: What is Cosmos 1678?
A: Cosmos 1678 is a Resurs-F1 17F41 class spacecraft assigned COSPAR ID 1985-077A and catalog number 15997. It is also known by the alias Kosmos 1678.

### Q: When and how was Cosmos 1678 launched?
A: Cosmos 1678 was launched on 1985-08-29 at 10:15:00 using a Soyuz-U launch vehicle. The launch took place from Plesetsk Cosmodrome Site 41.

### Q: What are the official identifiers for Cosmos 1678?
A: Official identifiers include COSPAR ID 1985-077A and SCN/catalog number 15997. Its Wolfram Language entity code is Entity["Satellite", "15997"].

### Q: Where can I find more public-language references for Cosmos 1678?
A: Wikipedia entries exist in three languages indicated by sitelinks: mk, sh, and sr.

## Why It Matters
Cosmos 1678 is a documented example of the Resurs-F1 17F41 class and contributes to the historical record of space launches and spacecraft cataloguing. As a catalogued spacecraft with a COSPAR designation and a clear launch record, it supports continuity in satellite tracking and program-level histories for the Resurs-F1 series. The launch details—vehicle (Soyuz-U), site (Plesetsk Cosmodrome Site 41), date (1985-08-29), and precise launch time (10:15:00)—provide verifiable data points used in launch manifests, orbital catalogs, and technical databases (including the Wolfram Language entity reference). The presence of multiple Wikipedia-language sitelinks indicates cross-language documentation. For researchers, archivists, and data systems that compile historical spaceflight records, Cosmos 1678 is a discrete, citable entry that helps maintain complete inventories of launches and spacecraft classes from its era.

## Notable For
- Being an instance of the Resurs-F1 17F41 spacecraft class (explicit class designation).
- COSPAR designation 1985-077A and catalog number (SCN) 15997.
- Launch on 1985-08-29 from Plesetsk Cosmodrome Site 41 at 10:15:00.
- Launched on a Soyuz-U launch vehicle.
- Documented in multiple public-language Wikipedia sitelinks (mk, sh, sr) and represented in the Wolfram Language as Entity["Satellite","15997"].

## Body

### Identification and classification
- Name: Cosmos 1678 (alias: Kosmos 1678).
- Instance_of: Resurs-F1 17F41 (spacecraft class).
- COSPAR ID: 1985-077A.
- SCN / catalog number: 15997.
- Wolfram Language entity code: Entity["Satellite", "15997"].
- Wikipedia sitelink languages recorded: mk, sh, sr (sitelink_count: 3).

### Launch details
- Launch date (UTC): 1985-08-29.
- Recorded launch time: 10:15:00 (point in time qualifier for the significant event).
- Launch vehicle: Soyuz-U.
- Launch site / start point: Plesetsk Cosmodrome Site 41.
- Significant event entry: rocket launch from Plesetsk Cosmodrome Site 41 on 1985-08-29 at 10:15:00.

### Program and relationships
- Classified as a member of the Resurs-F1 17F41 class.
- Launched aboard the Soyuz-U launch vehicle (Soyuz-U is listed as the launch vehicle class for this mission).

### Cataloging and references
- Primary catalog identifiers: COSPAR 1985-077A; SCN 15997.
- Referenced in structured sources and database entries (Wolfram Language representation present).

### Public documentation
- Wikipedia coverage exists in three language editions (mk, sh, sr), indicating localized public entries.

## References

1. Jonathan's Space Report