# Cosmos 635
**Wikidata**: [Q12907759](https://www.wikidata.org/wiki/Q12907759)  
**Source**: https://4ort.xyz/entity/cosmos-635

## Summary
Cosmos 635 was a Soviet Zenit 2M spy satellite launched on March 14, 1974. It was deployed into orbit using a Voskhod launch vehicle from the Plesetsk Cosmodrome. The satellite is identified by the international designator 1974-014A and the Satellite Catalog Number 07216.

## Key Facts
- **Classification:** Cosmos 635 is an instance of the Zenit 2M class of Soviet spy satellites.
- **Launch Date:** The satellite was launched on March 14, 1974.
- **Launch Time:** The specific time of the rocket launch was 10:29:59.
- **Launch Site:** It launched from Plesetsk Cosmodrome Site 43/4.
- **Launch Vehicle:** The launch vehicle used was a Voskhod rocket.
- **COSPAR ID:** The satellite bears the international designation 1974-014A.
- **Satellite Catalog Number:** It is tracked under SatCat No. 07216.
- **Alternative Name:** The satellite is also known by the alias "Kosmos 635."

## FAQs
### Q: What type of satellite was Cosmos 635?
A: Cosmos 635 was a Soviet spy satellite specifically classified as a Zenit 2M.

### Q: When and where was Cosmos 635 launched?
A: It was launched on March 14, 1974, at 10:29:59 from the Plesetsk Cosmodrome Site 43/4.

### Q: What rocket was used to launch Cosmos 635?
A: The satellite was launched using a Voskhod launch vehicle.

## Why It Matters
Cosmos 635 serves as a specific historical data point within the extensive Cosmos program, which was the primary method used by the Soviet Union to categorize its military and scientific satellites. As a Zenit 2M satellite, it represents a generation of Soviet optical reconnaissance technology used to gather intelligence from orbit. The mission illustrates the operational tempo and hardware utilization of the Soviet space program in the early 1970s, specifically demonstrating the use of the Voskhod launch vehicle and the Plesetsk Cosmodrome infrastructure for military objectives.

## Notable For
- Being a designated member of the **Zenit 2M** class of spy satellites.
- Launching from the **Plesetsk Cosmodrome Site 43/4**, a key Soviet orbital launch facility.
- Utilizing the **Voskhod** launch vehicle, a rocket adapted from the R-7 family.
- Having a precise, recorded launch time of **10:29:59** on its launch date.

## Body

### Mission Profile and Classification
Cosmos 635 was an artificial satellite operated by the Soviet Union. It is formally classified as an instance of the **Zenit 2M**, a type of Soviet spy satellite designed for reconnaissance purposes. As with other satellites in the Cosmos series, its designation followed the standard Soviet practice of obscuring the specific military nature of the mission under a generic name.

### Launch Details
The satellite was successfully launched on **March 14, 1974**. The launch event took place at the **Plesetsk Cosmodrome Site 43/4**, a major spaceport used for military launches. The liftoff occurred at a precise time of **10:29:59**. The launch vehicle responsible for placing Cosmos 635 into orbit was the **Voskhod**, a Russian launch vehicle that was utilized during this era of the Soviet space program.

### Identifiers and Records
In international satellite catalogs, Cosmos 635 is identified by the **COSPAR ID 1974-014A**. It is also listed in the Satellite Catalog with the number **07216**. The entry has sitelinks across several Wikipedia languages, including mk (Macedonian), sh (Serbo-Croatian), and sr (Serbian), and is encoded as `Entity["Satellite", "07216"]` in the Wolfram Language.

## References

1. Jonathan's Space Report