# Kedr

> Russian amateur radio minisatellite

**Wikidata**: [Q3544994](https://www.wikidata.org/wiki/Q3544994)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kedr)  
**Source**: https://4ort.xyz/entity/kedr

## Summary
Kedr is a Russian amateur radio minisatellite launched on January 28, 2011, as part of the ARISS (Amateur Radio on the International Space Station) program. It was also known as RadioSkaf-V and ARISSSat-1, and it operated until its atmospheric re-entry on January 4, 2012.

## Key Facts
- **Type**: Amateur radio satellite
- **Launch date**: January 28, 2011
- **Launch vehicle**: Soyuz-U
- **Deorbit date**: January 4, 2012
- **Aliases**: RadioSkaf-V, ARISSSat-1
- **COSPAR ID**: 1998-067CK
- **Instance of**: Amateur radio satellite
- **Significant events**: Rocket launch (2011-01-28), atmospheric entry (2012-01-04)

## FAQs
### Q: What was Kedr used for?
A: Kedr was an amateur radio minisatellite designed for communication purposes, particularly as part of the ARISS program, which facilitates educational and amateur radio activities in space.

### Q: When was Kedr launched?
A: Kedr was launched on January 28, 2011, aboard a Soyuz-U rocket.

### Q: How long did Kedr operate?
A: Kedr remained operational until its atmospheric re-entry on January 4, 2012, a span of about nine months.

### Q: What were its other names?
A: Kedr was also known as RadioSkaf-V and ARISSSat-1.

### Q: What was its COSPAR ID?
A: Its COSPAR ID was 1998-067CK.

## Why It Matters
Kedr played a crucial role in the ARISS program, which aims to inspire students and enthusiasts through amateur radio experiments in space. As an amateur radio satellite, it enabled communication between ground stations and astronauts aboard the International Space Station (ISS). Its mission contributed to educational outreach and technological demonstrations in the field of satellite communications. The satellite's relatively short operational period highlighted the challenges and limitations of amateur space missions, providing valuable data for future endeavors.

## Notable For
- **First ARISS satellite**: Kedr was the first satellite specifically designed for the ARISS program, facilitating amateur radio communication in space.
- **Educational mission**: It supported educational initiatives by allowing students to engage with space-based radio experiments.
- **Short operational lifespan**: Its brief operational period of about nine months provided insights into the durability and sustainability of amateur radio satellites.

## Body
### Overview
Kedr was a Russian amateur radio minisatellite launched on January 28, 2011, as part of the ARISS program. It was also referred to as RadioSkaf-V and ARISSSat-1. The satellite was designed to support amateur radio communication and educational outreach.

### Launch and Operation
Kedr was launched aboard a Soyuz-U rocket. Its primary mission was to serve as a communication platform for amateur radio operators and to support educational activities. The satellite operated successfully for approximately nine months before re-entering Earth's atmosphere on January 4, 2012.

### Technical Specifications
- **Type**: Amateur radio satellite
- **Launch vehicle**: Soyuz-U
- **COSPAR ID**: 1998-067CK
- **Aliases**: RadioSkaf-V, ARISSSat-1

### Significance
Kedr was notable for being the first dedicated satellite of the ARISS program. It played a key role in enabling amateur radio communication in space and supported educational initiatives by allowing students to participate in space-based experiments. Its relatively short operational lifespan provided valuable data on the challenges of maintaining amateur radio satellites in orbit.

## References

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