# Kosmos 633

> Soviet satellite

**Wikidata**: [Q53609](https://www.wikidata.org/wiki/Q53609)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_633)  
**Source**: https://4ort.xyz/entity/kosmos-633

## Summary  
Kosmos 633 was a Soviet satellite launched on February 27, 1974, as part of the DSZ–P1–Ju program. It was designed for scientific and technological research purposes and represents one of many Kosmos missions conducted by the Soviet Union during the Cold War space race.

## Key Facts  
- Launched on **February 27, 1974**, at **11:04:58 UTC** from **Plesetsk Cosmodrome Site 133**.  
- Classified under the **DSZ–P1–Ju** class of satellites developed by the Soviet Union.  
- Launched using the **Kosmos-2I** carrier rocket, a superseded Soviet launch vehicle.  
- Also known by the aliases **DS-P1-Yu No.71** and **Kosmos 633**.  
- Assigned **COSPAR ID**: 1974-010A and **SCN**: 07187.  
- Manufactured by the **Pivdenne Design Office**.  
- Has Wikipedia entries in multiple languages including English, Spanish, Greek, Serbian, Macedonian, Portuguese, and others.  

## FAQs  
### Q: What was the purpose of Kosmos 633?  
A: Kosmos 633 was part of the DSZ–P1–Ju series, which typically served scientific and technological research functions within the Soviet space program. Specific mission details remain limited in public documentation.

### Q: When and where was Kosmos 633 launched?  
A: Kosmos 633 was launched on **February 27, 1974**, at **11:04:58 UTC** from **Plesetsk Cosmodrome Site 133**, located in Russia.

### Q: Who manufactured Kosmos 633?  
A: The satellite was manufactured by the **Pivdenne Design Office**, a prominent aerospace design bureau based in Ukraine that contributed significantly to Soviet-era space projects.

## Why It Matters  
Kosmos 633 exemplifies the extensive and often classified efforts undertaken by the Soviet Union during the height of the Space Race. As part of the broader Kosmos program—one of the largest satellite programs in history—it reflects the USSR’s commitment to advancing space technology for both civilian and military applications. Though much about its specific mission remains undisclosed, Kosmos 633 contributes to our understanding of how the Soviets used standardized platforms like the DSZ–P1–Ju class for diverse orbital experiments. Its launch also marks continued reliance on the Kosmos-2I rocket, showcasing the evolution of Soviet launch capabilities throughout the 1970s.

## Notable For  
- Being part of the **DSZ–P1–Ju satellite class**, indicating specialized use within the Soviet scientific satellite fleet.  
- Launching via the **Kosmos-2I rocket**, a key but now obsolete component of the Soviet launch infrastructure.  
- Having an international presence through multilingual Wikipedia coverage despite being a relatively obscure mission.  
- Representing the sheer volume and routine nature of Soviet satellite launches during the mid-1970s.  

## Body  

### Mission Overview  
Kosmos 633 was a Soviet satellite belonging to the **DSZ–P1–Ju** class, primarily associated with scientific and possibly navigational or experimental payloads. These satellites were typically deployed into low Earth orbit and formed part of the larger **Kosmos program**, which encompassed thousands of launches over several decades.

### Technical Specifications  
- **International designation (COSPAR ID)**: 1974-010A  
- **Satellite Catalog Number (SCN)**: 07187  
- **Launch date**: February 27, 1974  
- **Launch time**: 11:04:58 UTC  
- **Launch site**: Plesetsk Cosmodrome, **Site 133**  
- **Launch vehicle**: **Kosmos-2I**, a two-stage liquid-fueled rocket previously used for various military and scientific missions  
- **Manufacturer**: **Pivdenne Design Office**, responsible for numerous upper-stage designs and spacecraft components  

### Program Context  
The DSZ–P1–Ju class was among several standardized satellite platforms employed by the Soviet Union for conducting orbital research. Missions under this designation likely involved telemetry gathering, atmospheric studies, or subsystem testing—common objectives across the Kosmos program's wide array of satellites.

### Legacy and Documentation  
While detailed information regarding Kosmos 633’s operational life is sparse, its inclusion in databases such as Wikidata and Freebase confirms historical tracking and cataloging by global space agencies and researchers. The existence of articles in multiple language editions of Wikipedia further underscores its recognition beyond Russian-speaking circles, even if only minimally documented.

## References

1. Jonathan's Space Report
2. Freebase Data Dumps. 2013