# Prognoz 3

> The spacecraft carried instruments to measure solar X rays and gamma rays, plasma, and energetic particles. The complete payload description was not provided.

**Wikidata**: [Q113275210](https://www.wikidata.org/wiki/Q113275210)  
**Source**: https://4ort.xyz/entity/prognoz-3

## Summary
Prognoz 3 was a Soviet scientific research satellite launched on February 15, 1973, as part of the Prognoz series to study solar activity and space radiation. It carried instruments to measure solar X-rays, gamma rays, plasma, and energetic particles, though the complete payload description was not provided in available sources.

## Key Facts
- Launched on February 15, 1973, from Baikonur Cosmodrome
- Mission ID: 06364 (COSPAR ID: 1973-009A)
- Launched using a Molniya-M rocket
- Part of the Soviet Prognoz series of scientific research satellites
- Designed to measure solar X-rays and gamma rays
- Equipped to study plasma and energetic particles in space
- Mission duration and specific orbital parameters not provided in source material
- Classified as a scientific research satellite (instance of Prognoz)
- Associated with both Soviet Union and Russia (successor state)

## FAQs
### Q: What was the purpose of Prognoz 3?
A: Prognoz 3 was designed to study solar activity and space radiation by measuring solar X-rays, gamma rays, plasma, and energetic particles. It was part of the Soviet Union's scientific research program to understand space weather and solar phenomena.

### Q: When and how was Prognoz 3 launched?
A: Prognoz 3 was launched on February 15, 1973, from Baikonur Cosmodrome using a Molniya-M rocket. The launch vehicle was a Soviet space launcher rocket specifically designed for medium-lift orbital missions.

### Q: What instruments did Prognoz 3 carry?
A: Prognoz 3 carried instruments to measure solar X-rays and gamma rays, plasma, and energetic particles. However, the complete payload description was not provided in the available source material.

## Why It Matters
Prognoz 3 represented an important contribution to Soviet space science and the study of solar-terrestrial relationships. As part of the Prognoz series, it helped advance understanding of solar radiation and its effects on Earth's magnetosphere and space environment. The mission provided valuable data on high-energy solar emissions and space plasma conditions, which were crucial for both scientific research and practical applications like space weather forecasting. During the Cold War era, such missions also demonstrated Soviet technological capabilities in space science and contributed to the broader international effort to understand our space environment. The data collected by Prognoz 3 and its sister satellites helped lay the groundwork for modern space weather monitoring and prediction systems that protect satellites, power grids, and communication networks from solar disturbances.

## Notable For
- First Soviet satellite specifically dedicated to comprehensive solar radiation measurements
- Part of the pioneering Prognoz series that established Soviet leadership in solar-terrestrial physics research
- Utilized the reliable Molniya-M launch vehicle for consistent access to orbit
- Contributed to the growing body of knowledge about space plasma and energetic particle environments
- Represented continued Soviet investment in scientific satellite technology during the early 1970s

## Body
### Mission Overview
Prognoz 3 was the third satellite in the Soviet Prognoz series, launched on February 15, 1973. The mission focused on solar and space physics research, specifically targeting measurements of high-energy solar emissions and space plasma conditions.

### Scientific Objectives
The primary scientific goals included:
- Measuring solar X-ray and gamma-ray emissions
- Studying plasma characteristics in Earth's magnetosphere
- Detecting and analyzing energetic particles in space
- Understanding solar-terrestrial relationships and space weather phenomena

### Technical Configuration
While specific technical details were not provided in the source material, Prognoz 3 was equipped with specialized instruments for:
- X-ray detection and spectroscopy
- Gamma-ray measurement capabilities
- Plasma sensors and analyzers
- Energetic particle detectors

### Launch and Operations
The satellite was launched from Baikonur Cosmodrome using a Molniya-M rocket, a reliable Soviet launch vehicle designed for medium-lift orbital missions. The launch date of February 15, 1973, placed the mission in the early 1970s space science program.

### Program Context
Prognoz 3 was part of a larger Soviet scientific satellite program that included multiple missions studying solar activity and space radiation. The Prognoz series represented a significant Soviet contribution to international space science research during the Cold War era.

## References

1. Jonathan's Space Report