# Kosmos 725

> Soviet radar calibration target satellite

**Wikidata**: [Q53617](https://www.wikidata.org/wiki/Q53617)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_725)  
**Source**: https://4ort.xyz/entity/kosmos-725

## Summary
Kosmos 725 was a Soviet radar calibration target satellite launched on April 8, 1975. It was designed to help calibrate ground-based radar systems as part of the DSZ–P1–Ju class of satellites.

## Key Facts
- Kosmos 725 was a Soviet radar calibration target satellite launched on April 8, 1975
- It belonged to the DSZ–P1–Ju class of satellites
- The satellite was launched from Plesetsk Cosmodrome Site 133 at 18:29:56
- It was launched using a Kosmos-2I carrier rocket
- The satellite was manufactured by Pivdenne Design Office
- It has the catalog number 07730 and COSPAR ID 1975-026A
- The launch occurred during the Soviet space program era

## FAQs
### Q: What was the purpose of Kosmos 725?
A: Kosmos 725 was designed as a radar calibration target satellite to help calibrate ground-based radar systems in the Soviet Union.

### Q: When and where was Kosmos 725 launched?
A: Kosmos 725 was launched on April 8, 1975, at 18:29:56 from Plesetsk Cosmodrome Site 133.

### Q: What rocket was used to launch Kosmos 725?
A: Kosmos 725 was launched using a Kosmos-2I carrier rocket.

## Why It Matters
Kosmos 725 represents an important component of Soviet space technology during the Cold War era. As a radar calibration satellite, it served a crucial technical function by providing a known target for ground-based radar systems, helping to improve the accuracy and reliability of Soviet tracking capabilities. This was essential for monitoring space activities, including tracking other satellites and potential threats, contributing to both military and civilian space surveillance capabilities. The satellite's successful operation underscored the sophistication of Soviet space technology and their commitment to developing comprehensive space-based infrastructure.

## Notable For
- Being a member of the DSZ–P1–Ju class of Soviet calibration satellites
- Its launch aboard the now-superseded Kosmos-2I carrier rocket
- Its role specifically as a radar calibration target satellite
- Its manufacture by the Pivdenne Design Office
- Its contribution to Soviet radar tracking capabilities

## Body
### Overview
Kosmos 725 was a Soviet satellite designed for radar calibration purposes. It belonged to the DSZ–P1–Ju class of satellites, which were specifically created to serve as calibration targets for ground-based radar systems.

### Technical Information
- Catalog number: 07730
- COSPAR ID: 1975-026A
- Class: DSZ–P1–Ju
- Function: Radar calibration target satellite
- Wikipedia title: Kosmos 725

### Mission Profile
- Launch date: April 8, 1975
- Launch time: 18:29:56
- Launch site: Plesetsk Cosmodrome Site 133
- Launch vehicle: Kosmos-2I
- Significant event: Rocket launch

### Development and Manufacturing
- Manufacturer: Pivdenne Design Office
- Country: Soviet Union
- Instance of: DSZ–P1–Ju class
- Related carrier rocket class: Kosmos-2I

### Data and References
- SCN: 07730
- Freebase ID: /m/07kh1bf
- Wolfram Language Entity Code: Entity["Satellite", "07730"]
- Available in Wikipedia languages: English, Spanish, Galician, Macedonian, Portuguese, Serbo-Croatian, Serbian
- Sitelink count: 7

## References

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