# Kosmos 335

> former Soviet atmospheric research satellite

**Wikidata**: [Q53486](https://www.wikidata.org/wiki/Q53486)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_335)  
**Source**: https://4ort.xyz/entity/kosmos-335

## Summary
Kosmos 335 was a former Soviet atmospheric research satellite, also known by its alias DS-U1-R No.1. It was an artificial satellite of the Earth and an instance of the DS-U1-R model, part of the Dnepropetrovsk Sputnik family of satellites. Launched on April 24, 1970, from Kapustin Yar, it had a mass of 295 kilograms and re-entered the atmosphere on June 22, 1970.

## Key Facts
- Kosmos 335 was an artificial satellite of the Earth and an instance of the DS-U1-R model of Soviet atmospheric research satellites.
- It was launched on April 24, 1970, at 22:24:49 from Kapustin Yar.
- The satellite had a mass of 295 kilograms.
- Its country of origin was the Soviet Union.
- Kosmos 335 was manufactured by Pivdenne Design Office.
- The launch vehicle used was the Kosmos-2I carrier rocket.
- Its orbit decayed, leading to atmospheric entry on June 22, 1970.
- It is also known by the alias DS-U1-R No.1.
- Its COSPAR ID is 1970-035A and its SCN is 04380.

## FAQs
### Q: What was the purpose of Kosmos 335?
A: Kosmos 335 was a Soviet atmospheric research satellite. Its primary purpose was to conduct research related to Earth's atmosphere.

### Q: When and where was Kosmos 335 launched?
A: Kosmos 335 was launched on April 24, 1970, at 22:24:49. The launch took place from Kapustin Yar.

### Q: What was the mass of Kosmos 335?
A: Kosmos 335 had a mass of 295 kilograms.

### Q: Who manufactured Kosmos 335?
A: Kosmos 335 was manufactured by the Pivdenne Design Office.

### Q: How long was Kosmos 335 in orbit?
A: Kosmos 335 was launched on April 24, 1970, and its orbit decayed, leading to atmospheric entry on June 22, 1970. This means it was in orbit for approximately two months.

## Why It Matters
Kosmos 335, as a former Soviet atmospheric research satellite, contributed to the understanding of Earth's atmosphere during the early stages of space exploration. As part of the DS-U1-R model series and the broader Dnepropetrovsk Sputnik family, it represented a component of the Soviet Union's systematic approach to scientific investigation from space. Satellites like Kosmos 335 provided crucial data that helped scientists characterize atmospheric conditions, which is fundamental for meteorology, climate science, and future spacecraft design. Its mission, though relatively short, added to the cumulative knowledge base of space-based atmospheric observation. The development and launch of such satellites also demonstrated the technological capabilities of the Pivdenne Design Office and the Soviet space program, utilizing the Kosmos-2I carrier rocket for deployment. These early research missions laid groundwork for more advanced atmospheric and environmental monitoring satellites that followed, highlighting the continuous evolution of space technology and its application to Earth science.

## Notable For
*   Being an instance of the DS-U1-R model, a specific type of Soviet atmospheric research satellite.
*   Its relatively short operational lifespan, with atmospheric entry occurring approximately two months after launch.
*   Being manufactured by the Pivdenne Design Office, a key entity in Soviet space technology.
*   Its role as a component of the Dnepropetrovsk Sputnik family, contributing to a broader program of Soviet satellite development.

## Body

### Overview and Classification
Kosmos 335 was a former Soviet atmospheric research satellite. It is classified as an artificial satellite of the Earth and is an instance of the DS-U1-R model. The satellite was also known by the alias DS-U1-R No.1. It belonged to the Dnepropetrovsk Sputnik family of Soviet satellites.

### Technical Specifications
The satellite had a mass of 295 kilograms. Its spacecraft bus was designated DS-U1. The country of origin for Kosmos 335 was the Soviet Union. Its COSPAR ID is 1970-035A, and its SCN (Satellite Catalog Number) is 04380.

### Launch and Operations
Kosmos 335 was launched on April 24, 1970, at 22:24:49 UTC. The launch site was Kapustin Yar. The satellite was carried into orbit by a Kosmos-2I carrier rocket, which was a superseded Soviet carrier rocket model. The manufacturer of Kosmos 335 was the Pivdenne Design Office.

### Mission End
The mission of Kosmos 335 concluded with its atmospheric entry on June 22, 1970. This event marked the decay of its orbit.

### Identifiers
*   **Aliases:** DS-U1-R No.1, Kosmos 335
*   **COSPAR ID:** 1970-035A
*   **SCN:** 04380
*   **Freebase ID:** /m/09ggcs6
*   **Wolfram Language Entity Code:** Entity["Satellite", "04380"]
*   **Wikipedia Title:** Kosmos 335
*   **Wikidata Description:** former Soviet atmospheric research satellite

## References

1. Jonathan's Space Report
2. [Source](https://space.skyrocket.de/doc_sdat/ds-u1-r.htm)
3. [Source](https://www.n2yo.com/satellite/?s=04380)
4. Freebase Data Dumps. 2013