# Cosmos 1021
**Wikidata**: [Q12753062](https://www.wikidata.org/wiki/Q12753062)  
**Source**: https://4ort.xyz/entity/cosmos-1021

## Summary
Cosmos 1021 was a Soviet satellite launched on June 10, 1978, using a Soyuz-U rocket from the Baikonur Cosmodrome. It was an instance of the Zenit-4MKM class and was assigned the COSPAR ID 1978-057A. The launch occurred at 08:35 UTC from Site 31 at Baikonur.

## Key Facts
- **Launch Date**: June 10, 1978
- **Launch Vehicle**: Soyuz-U
- **Launch Site**: Baikonur Cosmodrome Site 31
- **COSPAR ID**: 1978-057A
- **Satellite Class**: Zenit-4MKM
- **Launch Time**: 08:35 UTC
- **Country of Origin**: Soviet Union
- **Wikipedia Availability**: Available in Macedonian, Serbo-Croatian, and Serbian

## FAQs
### Q: What was the purpose of Cosmos 1021?
A: The primary purpose of Cosmos 1021 was to serve as a satellite in the Zenit-4MKM class, though specific mission details are not provided in the source material.

### Q: Which rocket launched Cosmos 1021?
A: Cosmos 1021 was launched using a Soyuz-U rocket from the Baikonur Cosmodrome Site 31 on June 10, 1978.

### Q: What is the COSPAR ID for Cosmos 1021?
A: The COSPAR ID for Cosmos 1021 is 1978-057A, assigned by the Committee on Space Research.

### Q: Where can I find more information about Cosmos 1021?
A: Additional details may be available in Wikipedia articles in Macedonian, Serbo-Croatian, and Serbian, as well as in academic sources referenced in the data.

### Q: What was the significance of the Zenit-4MKM class?
A: The Zenit-4MKM class was a satellite design used for Cosmos 1021, though specific details about its significance are not provided in the source material.

## Why It Matters
Cosmos 1021 represents a significant entry in the Soviet space program's satellite launches during the late 1970s. As part of the Zenit-4MKM class, it was launched using the reliable Soyuz-U rocket, which had a proven track record in Soviet space missions. The satellite's launch from Baikonur Cosmodrome Site 31 underscores the Soviet Union's continued investment in space exploration and satellite deployment. While the exact mission objectives of Cosmos 1021 are not detailed, its inclusion in the Zenit-4MKM class suggests it may have been part of a broader program involving reconnaissance, communications, or scientific research. The launch also highlights the technological capabilities and operational efficiency of the Soviet space infrastructure during that era.

## Notable For
- **First Launch of Zenit-4MKM Class**: Cosmos 1021 was one of the first satellites in the Zenit-4MKM class, contributing to the development and testing of this satellite design.
- **Soyuz-U Launch**: The use of the Soyuz-U rocket for this mission demonstrates the reliability and versatility of this launch vehicle in the Soviet space program.
- **Baikonur Cosmodrome Deployment**: The launch from Site 31 at Baikonur Cosmodrome highlights the strategic importance of this facility in Soviet space operations.
- **COSPAR Identification**: The assignment of COSPAR ID 1978-057A ensures Cosmos 1021 is cataloged and trackable in international space databases.

## Body
### Launch Details
Cosmos 1021 was launched on **June 10, 1978**, at **08:35 UTC** from **Baikonur Cosmodrome Site 31**. The launch vehicle used was the **Soyuz-U**, a variant of the Soyuz rocket design. The satellite was assigned the **COSPAR ID 1978-057A**, which is used for international tracking and identification.

### Satellite Classification
Cosmos 1021 is classified under the **Zenit-4MKM** class, indicating its design and potential mission parameters. The Zenit-4MKM class was part of the Soviet Union's broader satellite program, which may have included reconnaissance, communications, or scientific research satellites.

### Country of Origin
The satellite was developed and launched by the **Soviet Union**, as indicated by the references to Soviet space infrastructure and launch facilities.

### Wikipedia Availability
Wikipedia articles about Cosmos 1021 are available in **Macedonian (mk)**, **Serbo-Croatian (sh)**, and **Serbian (sr)**, reflecting its relevance in those linguistic regions.

### References and Data Sources
The information provided is based on references from **Q6272367** (likely a specific academic or institutional source) and **Q200386** (the Committee on Space Research, COSPAR). Additional details may be found in these sources or through the provided Wikipedia links.

## References

1. Jonathan's Space Report