# Iridium 21A

> communications satellite operated by Iridium Communications

**Wikidata**: [Q111497838](https://www.wikidata.org/wiki/Q111497838)  
**Source**: https://4ort.xyz/entity/iridium-21a

## Summary
Iridium 21A is a communications satellite operated by Iridium Communications, part of the Iridium satellite constellation. Launched on June 11, 1999, it was deployed as part of a global network providing voice and data coverage.

## Key Facts
- **Instance of**: Communications satellite
- **Part of**: Iridium satellite constellation
- **Operator**: Iridium Communications
- **Launch date**: June 11, 1999, at 17:15:33 UTC
- **Launch vehicle**: Long March 2C (Y7)
- **Launch site**: Taiyuan Satellite Launch Center
- **COSPAR ID**: 1999-032B
- **NSSDCA ID**: 1999-032B
- **Wikidata ID**: Q25778
- **Aliases**: Iridium 93, Iridium SV093

## FAQs
### Q: What type of satellite is Iridium 21A?
A: Iridium 21A is a communications satellite designed for telecommunications, part of the Iridium satellite constellation.

### Q: Who operates Iridium 21A?
A: Iridium 21A is operated by Iridium Communications, a company providing global voice and data coverage.

### Q: When was Iridium 21A launched?
A: Iridium 21A was launched on June 11, 1999, at 17:15:33 UTC from the Taiyuan Satellite Launch Center.

### Q: What rocket launched Iridium 21A?
A: Iridium 21A was launched using the Long March 2C (Y7) rocket.

### Q: What is the COSPAR ID for Iridium 21A?
A: The COSPAR ID for Iridium 21A is 1999-032B.

## Why It Matters
Iridium 21A is part of the Iridium satellite constellation, which was designed to provide global voice and data coverage, particularly for mobile and remote users. The constellation consists of 66 active satellites, ensuring continuous communication services. Launched in 1999, Iridium 21A played a crucial role in expanding satellite-based communication infrastructure, offering reliable connectivity even in areas with limited ground-based infrastructure. Its operation contributes to the broader goal of global communication accessibility, supporting industries such as maritime, aviation, and emergency services.

## Notable For
- Part of the first-generation Iridium satellite constellation, providing global voice and data coverage.
- Launched as part of a major satellite deployment in 1999, expanding communication capabilities.
- Operated by Iridium Communications, a key player in satellite-based telecommunications.
- Deployed using the Long March 2C rocket, a reliable Chinese orbital carrier rocket.
- Designed to support mobile and remote communication needs worldwide.

## Body
### Classification
Iridium 21A is classified as a communications satellite, specifically part of the Iridium satellite constellation. The constellation was developed to provide global voice and data coverage, ensuring connectivity for users in remote or mobile environments.

### Launch Details
- **Launch Date**: June 11, 1999, at 17:15:33 UTC.
- **Launch Vehicle**: Long March 2C (Y7).
- **Launch Site**: Taiyuan Satellite Launch Center.
- **COSPAR ID**: 1999-032B.
- **NSSDCA ID**: 1999-032B.

### Operator and Ownership
Iridium 21A is operated by Iridium Communications, a company specializing in satellite-based communication services. The satellite is part of a larger constellation designed to offer global coverage.

### Technical Specifications
- **Type**: Communications satellite.
- **Constellation**: Iridium satellite constellation.
- **Aliases**: Iridium 93, Iridium SV093.

### Historical Context
Iridium 21A was launched as part of the initial deployment of the Iridium satellite constellation, which aimed to provide comprehensive global communication services. The constellation consists of 66 satellites, ensuring continuous coverage and reliability.

### Significance
Iridium 21A plays a critical role in the Iridium satellite constellation, contributing to the provision of voice and data services worldwide. Its operation supports various industries, including maritime, aviation, and emergency services, by offering reliable communication even in remote areas.

## References

1. Jonathan's Space Report