# Cosmos 810
**Wikidata**: [Q12754010](https://www.wikidata.org/wiki/Q12754010)  
**Source**: https://4ort.xyz/entity/cosmos-810

## Summary
Cosmos 810 (also written Kosmos 810) is a Soviet satellite of the Zenit-4MK class that was launched on 26 March 1976. It was delivered to orbit from Plesetsk Cosmodrome Site 43 by a Voskhod launch vehicle (COSPAR ID 1976-028A; SCN 08772).

## Key Facts
- Cosmos 810 is an instance of the Zenit-4MK spacecraft class.
- COSPAR identifier: 1976-028A.
- Soviet catalogue number (SCN): 08772.
- Launch date: 26 March 1976.
- Launch time (recorded event): 15:00:00 on 26 March 1976.
- Launch site: Plesetsk Cosmodrome Site 43.
- Launch vehicle: Voskhod (a Soviet launch vehicle).
- Significant recorded event: rocket launch from Plesetsk Cosmodrome Site 43 on 1976-03-26 at 15:00:00.
- Alternate name / alias: Kosmos 810.
- External identifiers: Wolfram Language entity Entity["Satellite", "08772"].
- Available Wikipedia language pages: Macedonian (mk), Serbo-Croatian / Bosnian (sh), Serbian (sr).

## FAQs
### Q: What is Cosmos 810?
A: Cosmos 810 is a Zenit-4MK-class Soviet satellite that was assigned COSPAR ID 1976-028A and catalogue number 08772. It is also referred to as Kosmos 810.

### Q: When and where was Cosmos 810 launched?
A: Cosmos 810 was launched on 26 March 1976, with the recorded launch event at 15:00:00 on that date. The launch took place from Plesetsk Cosmodrome Site 43.

### Q: What launch vehicle placed Cosmos 810 into orbit?
A: The satellite was launched on a Voskhod launch vehicle, a Soviet-era rocket used for putting payloads into orbit.

## Why It Matters
Cosmos 810 is a documented member of the Soviet Kosmos series of satellites and represents a specific flight of the Zenit-4MK class. As a clearly identified spacecraft with COSPAR and catalogue numbers, it contributes to the historical record of Soviet space activity in the mid-1970s. Its documented launch from the northern Plesetsk Cosmodrome on 26 March 1976, using a Voskhod rocket, helps researchers and archivists map launch manifest patterns, vehicle usage, and spacecraft class deployments for that era. The entry’s multilingual Wikipedia presence and external identifiers (such as the Wolfram Language entity) make Cosmos 810 accessible across data systems and languages, supporting cross-referencing in satellite catalogs and historical databases. For analysts tracking Zenit-4MK-class flights or Voskhod vehicle operations, Cosmos 810 is a verifiable data point tied to a precise launch event and site.

## Notable For
- Being an instance of the Zenit-4MK spacecraft class.
- COSPAR ID 1976-028A and Soviet catalogue number 08772.
- Launch from Plesetsk Cosmodrome Site 43 on 26 March 1976 at 15:00:00.
- Use of the Voskhod launch vehicle.
- Alias "Kosmos 810" and presence in multiple language Wikipedias (mk, sh, sr).

## Body

### Designation and identifiers
- Primary name: Cosmos 810.
- Alias: Kosmos 810.
- COSPAR ID: 1976-028A.
- Soviet catalogue number (SCN): 08772.
- Wolfram Language entity code: Entity["Satellite", "08772"].
- Sitelink count recorded: 3.

### Classification
- Instance of: Zenit-4MK spacecraft class.
- Associated launch vehicle class: Voskhod (a Soviet launch vehicle).

### Launch details
- Launch date: 26 March 1976.
- Recorded launch time: 15:00:00 (as qualifier of the significant event).
- Launch site: Plesetsk Cosmodrome Site 43.
- Launch vehicle: Voskhod.
- Significant event recorded: rocket launch from Plesetsk Cosmodrome Site 43 on 1976-03-26 at 15:00:00.

### References and language links
- Wikipedia language pages exist in Macedonian (mk), Serbo-Croatian/Bosnian (sh), and Serbian (sr).
- Structured-property references link the spacecraft instance and launch details to archival sources (as recorded in the source metadata).

## References

1. Jonathan's Space Report