# Shijian-6I
**Wikidata**: [Q110160742](https://www.wikidata.org/wiki/Q110160742)  
**Source**: https://4ort.xyz/entity/shijian-6i

## Summary
Shijian-6I is a Chinese satellite and part of the Shijian-6 series, launched on December 10, 2021, to support technology demonstration and scientific research. It was deployed using a Long March 4B rocket from the Jiuquan Satellite Launch Center. The satellite is identified by international designators including SCN 49961 and COSPAR ID 2021-122A.

## Key Facts
- **Launch Date**: December 10, 2021, at 00:11 UTC.
- **SCN**: 49961 (reference: Q6272367).
- **COSPAR ID**: 2021-122A.
- **Launch Vehicle**: Long March 4B rocket.
- **Part of Series**: Shijian-6 series (sub-designation 6I).
- **Aliases**: SJ-6I, Shijian 6I, Shi Jian 6I.
- **Launch Site**: Jiuquan Satellite Launch Center.

## FAQs
### Q: When was Shijian-6I launched?
A: Shijian-6I was launched on December 10, 2021, at 00:11 UTC, aboard a Long March 4B rocket from Jiuquan Satellite Launch Center.

### Q: What is the purpose of the Shijian-6 series?
A: The Shijian-6 series, including Shijian-6I, is designed for technology demonstration and scientific research missions, contributing to China's space technology development.

### Q: What rocket was used to launch Shijian-6I?
A: Shijian-6I was launched using the Long March 4B, a Chinese orbital carrier rocket frequently used for satellite deployments.

## Why It Matters
Shijian-6I represents a continuation of China’s efforts to advance its space technology and scientific capabilities through the Shijian satellite program. As part of the broader Shijian-6 series, it plays a role in testing and validating new space-based technologies, supporting broader goals in Earth observation, communications, or experimental research. Its successful launch underscores China’s consistent progress in space exploration and its commitment to maintaining a robust orbital infrastructure. For researchers and engineers, Shijian-6I provides critical data and insights, contributing to iterative improvements in satellite design and mission execution.

## Notable For
- First satellite in the Shijian-6I sub-series, extending the Shijian-6 program’s mission scope.
- Utilizes the reliable Long March 4B launch vehicle, a staple of China’s space launch capabilities.
- Part of a long-standing series (Shijian) focused on experimental and technological missions, reflecting China’s systematic approach to space development.

## Body
### Launch Details
Shijian-6I was launched on **December 10, 2021, at 00:11 UTC** from the **Jiuquan Satellite Launch Center** in China. The satellite was deployed into orbit by a **Long March 4B** rocket, a member of China’s Long March family of launch vehicles known for their reliability in orbital missions.

### Satellite Specifications
- **Identifiers**: 
  - **SCN**: 49961 (reference: Q6272367).
  - **COSPAR ID**: 2021-122A.
- **Aliases**: SJ-6I, Shijian 6I, Shi Jian 6I.
- **Series Membership**: Part of the **Shijian-6** series, with the specific sub-designation **6I**.

### Mission Context
As part of the **Shijian-6** series, Shijian-6I contributes to China’s efforts in space-based technology demonstration and scientific research. The Shijian program broadly supports experimental missions, often serving as a platform for testing new satellite technologies, sensors, or communication systems. While specific mission objectives for Shijian-6I are not detailed in the source material, its role within the series aligns with China’s strategic focus on advancing its space infrastructure and capabilities through iterative satellite deployments.

## References

1. Jonathan's Space Report