# Tiantong-1 3

> communications satellite

**Wikidata**: [Q122417785](https://www.wikidata.org/wiki/Q122417785)  
**Source**: https://4ort.xyz/entity/tiantong-1-3

## Summary
Tiantong-1 3 is a Chinese communications satellite serving as part of the Tiantong satellite system. It was launched on 2021-01-19 via a Long March 3B rocket to enhance mobile telecommunications coverage.

## Key Facts
- Instance of: Communications satellite
- Part of: Tiantong communication satellite system
- Launch date: 2021-01-19
- Launch vehicle: Long March 3B
- COSPAR ID: 2021-003A
- SCN: 47321
- Alias: Tiantong-1 03

## FAQs
### Q: What is Tiantong-1 3?
A: Tiantong-1 3 is a communications satellite that forms part of China's Tiantong satellite system, designed to provide mobile telecommunications services.

### Q: When was Tiantong-1 3 launched?
A: Tiantong-1 3 was launched on 2021-01-19 using a Long March 3B rocket.

### Q: What is the purpose of Tiantong-1 3?
A: Tiantong-1 3 functions as a communications satellite to support China's mobile communication network, expanding coverage and capacity.

### Q: Which rocket launched Tiantong-1 3?
A: Tiantong-1 3 was deployed into orbit by a Long March 3B carrier rocket.

### Q: What is the COSPAR ID of Tiantong-1 3?
A: Tiantong-1 3's COSPAR ID is 2021-003A, its unique international designator.

## Why It Matters
Tiantong-1 3 enhances China's strategic capabilities in satellite-based mobile communications, particularly for regions with terrestrial infrastructure limitations. As the third satellite in the Tiantong system, it expands network redundancy and coverage reliability, supporting disaster response, remote connectivity, and national communication resilience. This launch underscores China's advancement in independent space technology and its commitment to closing global digital divides through dedicated telecom satellites.

## Notable For
- Being the third satellite in China's Tiantong communications system
- Deployment via China's Long March 3B rocket, a workhorse for heavy satellites
- Unique COSPAR identifier 2021-003A in international space catalogs
- Operated as part of China's indigenous mobile satellite network

## Body
### General Information
Tiantong-1 3 is classified as a communications satellite, specifically engineered to provide telecommunications services. It belongs to the Tiantong satellite system, China's proprietary mobile communication network. The satellite is also known by its alias "Tiantong-1 03."

### Launch Details
- Launch date: 2021-01-19
- Launch vehicle: Long March 3B (a Chinese orbital carrier rocket)
- COSPAR ID: 2021-003A (international designator for space objects)
- SCN: 47321 (system catalog number)

### System Integration
- Part of: Tiantong communication satellite system
- Operates within China's broader satellite telecommunications infrastructure
- Complements other Tiantong satellites to enhance mobile network coverage and capacity.

## References

1. Jonathan's Space Report