# Cosmos 1127
**Wikidata**: [Q12753118](https://www.wikidata.org/wiki/Q12753118)  
**Source**: https://4ort.xyz/entity/cosmos-1127

## Summary
Cosmos 1127 was a Soviet satellite launched in 1979 as part of the Resurs-F1 17F41 class, designed for Earth observation and resource management. It was deployed via a Soyuz-U rocket from Plesetsk Cosmodrome, contributing to the Soviet Union’s space-based reconnaissance and environmental monitoring efforts.

## Key Facts
- **Launch Date**: September 5, 1979, at 10:20:00 UTC.
- **COSPAR ID**: 1979-080A.
- **Satellite Catalog Number (SCN)**: 11520.
- **Launch Vehicle**: Soyuz-U rocket.
- **Launch Site**: Plesetsk Cosmodrome Site 41.
- **Class**: Resurs-F1 17F41, a Soviet Earth observation satellite series.
- **Mission Focus**: Likely involved in reconnaissance or resource surveying, consistent with Resurs-F1 objectives.

## FAQs
### Q: When was Cosmos 1127 launched?
A: Cosmos 1127 was launched on September 5, 1979, at 10:20:00 UTC from Plesetsk Cosmodrome Site 41.

### Q: What was the purpose of Cosmos 1127?
A: As part of the Resurs-F1 17F41 class, its primary mission was Earth observation, likely supporting Soviet resource management and reconnaissance programs.

### Q: What rocket was used to launch Cosmos 1127?
A: The satellite was deployed using a Soyuz-U rocket, a variant of the Soyuz launch vehicle designed for universal payload applications.

## Why It Matters
Cosmos 1127 represents a component of the Soviet Union’s systematic efforts to leverage space-based assets for civil and military Earth observation. As part of the Resurs-F1 program, it exemplified the integration of satellite technology into national resource management strategies, aiding in agricultural, geological, and environmental assessments. Its launch via the Soyuz-U rocket underscores the reliability and versatility of the Soyuz family, which became a cornerstone of Soviet and later Russian space operations. While specific mission details remain limited, the satellite’s role in broader reconnaissance and monitoring initiatives highlights its contribution to Cold War-era strategic and scientific endeavors.

## Notable For
- **Resurs-F1 Class Membership**: Part of a satellite series focused on high-resolution imaging for resource exploration and military intelligence.
- **Soyuz-U Launch Vehicle**: Demonstrated the rocket’s utility for deploying specialized payloads, reinforcing its reputation as a workhorse for Soviet space missions.
- **Plesetsk Cosmodrome Launch**: Utilized a key Soviet spaceport, emphasizing the military and strategic significance of the mission.
- **Limited Public Mission Details**: Reflects the classified or restricted nature of certain Soviet satellite operations during the Cold War.

## Body
### Launch Details
- **Date/Time**: September 5, 1979, at 10:20:00 UTC.
- **Site**: Plesetsk Cosmodrome Site 41, a facility primarily used for military and scientific launches.
- **Vehicle**: Soyuz-U (Universal), a modified Soyuz rocket variant optimized for diverse payload requirements.

### Satellite Specifications
- **Class**: Resurs-F1 17F41, a photoreconnaissance satellite designed for detailed Earth surface imaging.
- **Identifiers**:
  - **COSPAR ID**: 1979-080A.
  - **SCN**: 11520.
- **Mission Context**: Likely involved in photographing territory for resource assessment, cartography, or intelligence gathering, with film canisters returned via capsules for terrestrial recovery.

### Historical Context
- **Program Significance**: The Resurs-F1 series bridged civilian and military applications, providing data critical to Soviet economic planning and defense strategies.
- **Soyuz-U Legacy**: This launch reinforced the Soyuz-U’s role as a dependable launcher for satellites with sensitive or specialized missions, a role it maintained through hundreds of launches until its retirement in 2017.

## References

1. Jonathan's Space Report