# Shijian-2
**Wikidata**: [Q108104301](https://www.wikidata.org/wiki/Q108104301)  
**Source**: https://4ort.xyz/entity/shijian-2

## Summary
Shijian-2 (also known as SJ-2) was a spacecraft launched on September 19, 1981, as part of the Shijian series. It was the second mission in this series and was delivered into orbit using a Feng Bao 1 carrier rocket. The spacecraft is officially classified as a space vehicle with the COSPAR ID 1981-093D.

## Key Facts
*   **Launch Date:** September 19, 1981
*   **Launch Vehicle:** Feng Bao 1 (a Chinese carrier rocket)
*   **COSPAR ID:** 1981-093D
*   **Satellite Catalog Number:** 12845
*   **Series Classification:** Second unit (Part 2) of the Shijian series
*   **Entity Type:** Spacecraft
*   **Alternate Names:** Shi Jian 2, Shijian 2, SJ-2, Шицзянь 2

## FAQs
### Q: When was Shijian-2 launched?
A: Shijian-2 was launched on September 19, 1981.

### Q: What rocket was used to launch Shijian-2?
A: The spacecraft was launched using a Feng Bao 1 carrier rocket, which is a Chinese launch vehicle.

### Q: What is the international identifier for Shijian-2?
A: The COSPAR (Committee on Space Research) ID for Shijian-2 is 1981-093D, and its Satellite Catalog Number is 12845.

## Why It Matters
Shijian-2 serves as a specific data point in the history of the "Shijian" (Practice) satellite series, a program utilized by the People's Republic of China for various space technology tests. As the second designated entity in this series, it represents an early phase of the program's development. Its launch via the Feng Bao 1 rocket ties it to the operational history of that specific launch vehicle platform. For researchers tracking orbital debris, historical launch logs, or the evolution of Chinese satellite technology, the precise cataloging of this object (via its SCN 12845 and COSPAR ID 1981-093D) provides essential verifiable data. The entry stands as a record of the spacecraft's existence, its launch event, and its classification within the broader context of space exploration history.

## Notable For
*   Being the second designated spacecraft in the Shijian series.
*   Utilizing the Feng Bao 1 rocket for its launch.
*   Being tracked under the specific COSPAR ID 1981-093D.
*   Having multiple international aliases, including "Шицзянь 2" (Russian) and "SJ-2".

## Body

### Identity and Classification
Shijian-2 is formally classified as a spacecraft, defined as a vehicle or machine designed to fly in space. It is referenced in knowledge bases under several aliases, including **Shi Jian 2**, **Shijian 2**, **SJ-2**, and the Cyrillic transliteration **Шицзянь 2**.

### Launch and Orbital Data
The spacecraft was successfully launched on **September 19, 1981**. The launch was executed using a **Feng Bao 1** carrier rocket, a rocket developed by the People's Republic of China.

Upon entering the space environment, the object was assigned specific tracking identifiers:
*   **COSPAR ID:** 1981-093D
*   **Satellite Catalog Number (SCN):** 12845

### Series Context
Shijian-2 is a component of the **Shijian** series. According to structured series data, it holds the position of "2" in the sequence (Part 2). The name "Shijian" translates generally to "Practice" in the context of Chinese satellite programs, often denoting experimental or technological demonstration missions.

## References

1. Jonathan's Space Report