# Cosmos 427
**Wikidata**: [Q12753844](https://www.wikidata.org/wiki/Q12753844)  
**Source**: https://4ort.xyz/entity/cosmos-427

## Summary
Cosmos 427 was a Soviet satellite launched on June 11, 1971, using a Voskhod rocket from the Plesetsk Cosmodrome. It was part of the Zenit-4MK class of satellites and was designated with the COSPAR ID 1971-055A. The launch occurred at 10:00 AM local time.

## Key Facts
- **Launch Date**: June 11, 1971
- **Launch Vehicle**: Voskhod (Soviet Union)
- **Launch Site**: Plesetsk Cosmodrome Site 43/4
- **COSPAR ID**: 1971-055A
- **Classification**: Zenit-4MK
- **Launch Time**: 10:00:00 UTC
- **Country of Origin**: Soviet Union
- **Wikipedia Availability**: Available in Hungarian, Macedonian, Serbo-Croatian, and Serbian

## FAQs
### Q: What was Cosmos 427?
A: Cosmos 427 was a Soviet satellite launched on June 11, 1971, as part of the Zenit-4MK class. It was launched using a Voskhod rocket from the Plesetsk Cosmodrome.

### Q: When and where was Cosmos 427 launched?
A: Cosmos 427 was launched on June 11, 1971, at 10:00 AM from Plesetsk Cosmodrome Site 43/4.

### Q: What type of satellite was Cosmos 427?
A: Cosmos 427 was classified as a Zenit-4MK satellite, part of a series of Soviet spacecraft and launch vehicles.

### Q: What was the COSPAR ID for Cosmos 427?
A: The COSPAR ID for Cosmos 427 is 1971-055A.

### Q: Which rocket was used to launch Cosmos 427?
A: The Voskhod rocket was used to launch Cosmos 427.

## Why It Matters
Cosmos 427 represents a significant entry in the Soviet space program's early satellite launches. As part of the Zenit-4MK class, it contributed to the development and testing of Soviet spacecraft and launch vehicles. The launch from Plesetsk Cosmodrome highlights the Soviet Union's efforts in space exploration during the 1970s. While specific details about its mission are limited, its inclusion in the Cosmos series underscores the Soviet Union's commitment to advancing space technology and capabilities.

## Notable For
- **First Launch of the Zenit-4MK Class**: Cosmos 427 was one of the first satellites in the Zenit-4MK series.
- **Plesetsk Cosmodrome Launch**: It marked another successful launch from the Plesetsk Cosmodrome, a key site for Soviet space missions.
- **Voskhod Rocket Utilization**: The use of the Voskhod rocket demonstrated the Soviet Union's reliance on this launch vehicle for satellite deployments.
- **COSPAR Designation**: The COSPAR ID 1971-055A provides a standardized reference for tracking Soviet space missions.

## Body
### Launch Details
Cosmos 427 was launched on **June 11, 1971**, at **10:00:00 UTC** from **Plesetsk Cosmodrome Site 43/4**. The launch vehicle used was the **Voskhod**, a Soviet rocket known for its reliability in deploying satellites.

### Classification and Designation
The satellite was classified under the **Zenit-4MK** category, which was part of a broader series of Soviet spacecraft. Its **COSPAR ID (1971-055A)** serves as a unique identifier in the international space tracking system.

### Historical Context
The launch occurred during the height of the Cold War, reflecting the Soviet Union's ongoing efforts in space exploration. The Plesetsk Cosmodrome, a major launch site for Soviet missions, played a crucial role in deploying satellites and conducting space research.

### Wikipedia Availability
Cosmos 427 has entries in Wikipedia in **Hungarian (hu)**, **Macedonian (mk)**, **Serbo-Croatian (sh)**, and **Serbian (sr)**, indicating its relevance in these linguistic regions.

### Google Knowledge Graph
The entity is recognized in the Google Knowledge Graph under the ID **/g/121w1mzl**, further establishing its presence in digital knowledge bases.

## References

1. Jonathan's Space Report