# Cosmos 1004
**Wikidata**: [Q12907261](https://www.wikidata.org/wiki/Q12907261)  
**Source**: https://4ort.xyz/entity/cosmos-1004

Here’s the structured knowledge entry for **Cosmos 1004**:

---

## Summary  
Cosmos 1004 was a Soviet spy satellite launched in 1978 as part of the Zenit 2M reconnaissance program. It was launched aboard a Soyuz-U rocket from the Plesetsk Cosmodrome and operated under the Kosmos designation, a cover name for Soviet military satellites.

## Key Facts  
- **Launch Date:** May 5, 1978 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID:** 1978-043A ([reference](https://www.wikidata.org/wiki/Q200386))  
- **Satellite Catalog Number (SCN):** 10846 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle:** Soyuz-U ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site:** Plesetsk Cosmodrome Site 43 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Class:** Zenit 2M (reconnaissance satellite) ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Alias:** Kosmos 1004  
- **Significant Event:** Rocket launch at 15:30 UTC on May 5, 1978 ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs  
### Q: What type of satellite was Cosmos 1004?  
A: Cosmos 1004 was a Zenit 2M-class reconnaissance satellite, designed for military surveillance under the Soviet Union's space program.  

### Q: Where was Cosmos 1004 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 43, a major Soviet/Russian spaceport used for military and scientific missions.  

### Q: What rocket carried Cosmos 1004 into orbit?  
A: It was launched aboard a Soyuz-U rocket, a reliable variant of the Soyuz family used extensively by the Soviet Union.  

## Why It Matters  
Cosmos 1004 was part of the Zenit 2M series, a key component of Soviet Cold War-era military reconnaissance. These satellites provided critical imaging intelligence, aiding strategic and tactical decision-making. The Zenit program demonstrated Soviet advancements in space-based surveillance, contributing to the broader space race and national security efforts. Its launch also highlighted the operational capabilities of the Soyuz-U rocket, which became one of the most frequently used launch vehicles in history.  

## Notable For  
- **Military Role:** Operated as a covert reconnaissance satellite under the Kosmos designation.  
- **Soyuz-U Launch:** Demonstrated the reliability of the Soyuz-U rocket, which later became a workhorse for Soviet/Russian space missions.  
- **Cold War Context:** Part of a broader effort to enhance Soviet intelligence-gathering capabilities during heightened geopolitical tensions.  

## Body  
### Launch Details  
- **Date:** May 5, 1978  
- **Time:** 15:30 UTC  
- **Site:** Plesetsk Cosmodrome Site 43  

### Satellite Specifications  
- **Class:** Zenit 2M (military reconnaissance)  
- **Catalog Number:** 10846  
- **COSPAR ID:** 1978-043A  

### Mission Context  
- **Purpose:** High-resolution imaging for Soviet military intelligence.  
- **Cover Name:** Designated "Kosmos" to obscure its true function.  

### Rocket and Infrastructure  
- **Launch Vehicle:** Soyuz-U  
- **Launch Site:** Plesetsk, a primary facility for polar and high-inclination orbits.  

--- 

This entry adheres strictly to the provided source material without fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report