# SES-21

> communications satellite

**Wikidata**: [Q114570362](https://www.wikidata.org/wiki/Q114570362)  
**Source**: https://4ort.xyz/entity/ses-21

## Summary
SES-21 is a communications satellite launched on October 4, 2022. It was deployed into orbit using an Atlas V 531 launch vehicle. The satellite is identified by the COSPAR ID 2022-123B and serves a telecommunications role.

## Key Facts
- **Classification:** SES-21 is an artificial satellite designed for telecommunications (communications satellite).
- **Launch Date:** October 4, 2022.
- **Launch Vehicle:** United Launch Alliance Atlas V 531.
- **COSPAR ID:** 2022-123B.
- **Satellite Catalog Number (SCN):** 53961.
- **Instance Of:** Communications satellite.

## FAQs
### Q: What is SES-21?
A: SES-21 is a communications satellite, which is an artificial satellite designed specifically for telecommunications purposes.

### Q: When was SES-21 launched?
A: SES-21 was launched on October 4, 2022.

### Q: What rocket was used to launch SES-21?
A: The satellite was launched aboard an Atlas V 531 rocket, a launch vehicle associated with the United Launch Alliance.

## Why It Matters
SES-21 represents a specific asset in the global telecommunications infrastructure. As a communications satellite, its primary significance lies in its role as an artificial satellite designed to relay and amplify radio telecommunication signals via a transponder. This facilitates connectivity across distances, serving as a node in the broader network of space-based communication systems. The deployment of SES-21 via the Atlas V 531 configuration highlights the ongoing utilization of this specific launch vehicle class for placing medium-to-heavy payloads into orbit. While specific coverage details are not provided in the source material, the satellite's identification via standardized systems like COSPAR and SCN ensures precise tracking and management within the global space catalog. Its launch in late 2022 adds to the constellation of satellites supporting data and voice transmission worldwide.

## Notable For
- **Specific Launch Configuration:** It was launched atop an Atlas V 531, a distinct variant of the Atlas V launch vehicle.
- **Standardized Tracking:** It is distinctly identified by the international designator COSPAR ID 2022-123B and Satellite Catalog Number 53961.
- **Telecommunications Function:** It is explicitly classified as an artificial satellite designed for telecommunications.
- **Recent Deployment:** It is a space asset activated in the fourth quarter of 2022.

## Body

### Classification and Designation
SES-21 is formally classified as a communications satellite. In the context of spaceflight architecture, this defines the entity as an artificial satellite utilized for telecommunications. The entity is tracked within international and military databases under specific identifiers:
- **COSPAR International Designator:** 2022-123B
- **Satellite Catalog Number (SCN):** 53961

### Launch and Deployment
The satellite was successfully launched on **October 4, 2022**. The delivery system utilized was the **Atlas V 531**, a rocket configuration provided by the United Launch Alliance. This event placed the SES-21 entity into its operational environment to fulfill its telecommunications function.

### Contextual Relationships
SES-21 belongs to the class of "communications satellite," a category of artificial satellite with significant prevalence (indicated by a high sitelink count in related databases). The launch vehicle, Atlas V 531, is a specific class of United States launch vehicle.

## References

1. Jonathan's Space Report