# XM-4

> satellite radio communications satellite operated by SiriusXM

**Wikidata**: [Q18327683](https://www.wikidata.org/wiki/Q18327683)  
**Source**: https://4ort.xyz/entity/xm-4

## Summary
XM-4 is a communications satellite operated by SiriusXM, launched on October 30, 2006. It is part of the company's satellite radio network, designed for telecommunications and broadcasting.

## Key Facts
- **Operator**: SiriusXM
- **Launch Date**: October 30, 2006
- **Launch Vehicle**: Zenit-3SL
- **Manufacturer**: Boeing
- **Spacecraft Bus**: Boeing 702
- **COSPAR ID**: 2006-049A
- **Status**: Active
- **Aliases**: XM4, Blues
- **Launch Site**: Odyssey

## FAQs
### Q: What type of satellite is XM-4?
A: XM-4 is a communications satellite designed for telecommunications, specifically for satellite radio broadcasting by SiriusXM.

### Q: When was XM-4 launched?
A: XM-4 was launched on October 30, 2006, using a Zenit-3SL rocket.

### Q: Who operates XM-4?
A: XM-4 is operated by SiriusXM, a satellite radio company.

### Q: What is the spacecraft bus of XM-4?
A: XM-4 uses the Boeing 702 spacecraft bus.

### Q: What is the COSPAR ID of XM-4?
A: The COSPAR ID of XM-4 is 2006-049A.

## Why It Matters
XM-4 plays a crucial role in SiriusXM's satellite radio infrastructure, providing high-quality audio streaming to subscribers. As part of the company's fleet of communications satellites, it ensures reliable delivery of radio content to millions of users across North America. The satellite's operational status indicates its continued contribution to the growing demand for satellite-based entertainment services. Its successful deployment and maintenance highlight the advancements in satellite telecommunications technology.

## Notable For
- **First Commercial Use**: One of the first satellites dedicated to satellite radio broadcasting.
- **Boeing 702 Bus**: Utilizes Boeing's 702 spacecraft bus, known for its reliability in communications satellites.
- **Zenit-3SL Launch**: Launched by the Zenit-3SL rocket, a carrier rocket specifically designed for satellite launches.
- **Active Status**: Remains operational, ensuring continuous service for SiriusXM's subscribers.

## Body
### Overview
XM-4 is a communications satellite operated by SiriusXM, a leading provider of satellite radio services. It was launched on October 30, 2006, from the Odyssey launch site using a Zenit-3SL rocket.

### Technical Specifications
- **Manufacturer**: Boeing
- **Spacecraft Bus**: Boeing 702
- **COSPAR ID**: 2006-049A
- **Status**: Active

### Launch Details
- **Launch Date**: October 30, 2006
- **Launch Vehicle**: Zenit-3SL
- **Launch Site**: Odyssey

### Operator and Service
- **Operator**: SiriusXM
- **Service**: Satellite radio broadcasting

### Related Entities
- **Communications Satellite**: A class of artificial satellites designed for telecommunications.
- **Zenit-3SL**: An expendable carrier rocket used for launching satellites.
- **Zenit**: A family of rockets for satellite launches.

XM-4 is part of SiriusXM's satellite fleet, providing essential telecommunications services to its subscribers. Its active status and technical specifications reflect its role in modern satellite communications.

## References

1. Jonathan's Space Report