# Express 4A

> Russian communications satellite

**Wikidata**: [Q14559239](https://www.wikidata.org/wiki/Q14559239)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ekspress-A4)  
**Source**: https://4ort.xyz/entity/express-4a

## Summary
Express 4A is a Russian communications satellite launched on June 10, 2002, aboard a Proton-K rocket from Baikonur Cosmodrome Site 200. It is part of the Express series of satellites designed to provide telecommunications services, including television broadcasting and broadband internet. The satellite is also known by aliases such as Express 41R and Express 41P.

## Key Facts
- **Launch Date**: June 10, 2002
- **Launch Vehicle**: Proton-K rocket with Blok DM-2M space tug
- **Launch Site**: Baikonur Cosmodrome Site 200
- **COSPAR ID**: 2002-029A
- **Satellite Catalog Number (SCN)**: 27441
- **Class**: Communications satellite
- **Aliases**: Express 41R, Express 41P, Ekspress-A1R
- **Wikipedia Title**: Ekspress-A4

## FAQs
### Q: When was Express 4A launched?
A: Express 4A was launched on June 10, 2002.

### Q: What rocket was used to launch Express 4A?
A: The satellite was launched using a Proton-K rocket with a Blok DM-2M space tug.

### Q: What is the purpose of Express 4A?
A: It is a communications satellite designed to support telecommunications services such as television broadcasting and broadband connectivity.

## Why It Matters
Express 4A plays a critical role in Russia’s telecommunications infrastructure, enabling services like television broadcasting, broadband internet, and voice communications. As part of the Express satellite series, it contributes to maintaining connectivity across Russia’s vast territory, particularly in remote or underserved regions. The satellite’s launch on a Proton-K rocket, a workhorse of Russian space operations, underscores its importance in both civilian and potentially strategic communications. By leveraging advanced satellite technology, Express 4A helps bridge communication gaps and supports economic, social, and governmental activities reliant on reliable data transmission.

## Notable For
- **Proton-K Launch**: Utilized the Proton-K rocket, a cornerstone of Russian space launch systems.
- **Blok DM-2M Space Tug**: Employed the Blok DM-2M upper stage for orbital insertion, enhancing deployment precision.
- **Baikonur Cosmodrome Launch Site**: Launched from the historic Baikonur Site 200, a key facility for Russian space missions.
- **Alias Designations**: Recognized under multiple names (e.g., Express 41R, Ekspress-A1R), reflecting its role in the broader Express satellite constellation.

## Body
### Launch Details
- **Date**: June 10, 2002
- **Rocket**: Proton-K (with Blok DM-2M space tug)
- **Launch Pad**: Baikonur Cosmodrome Site 200

### Technical Specifications
- **SATCAT Number**: 27441
- **COSPAR ID**: 2002-029A
- **Alternate Names**: Express 41R, Express 41P, Ekspress-A1R

### Mission Context
- **Function**: Telecommunications support for television, broadband, and voice services
- **Series**: Part of the Express satellite constellation, critical to Russian communication networks
- **Launch Provider**: Russian space program, utilizing legacy Soviet-era infrastructure (Proton-K)

## References

1. Jonathan's Space Report