# Shijian-7

> 28737

**Wikidata**: [Q108104316](https://www.wikidata.org/wiki/Q108104316)  
**Source**: https://4ort.xyz/entity/shijian-7

## Summary
Shijian-7 is a spacecraft that was launched on July 5, 2005. It is the seventh satellite in the Shijian series and was carried into orbit by a Long March 2D rocket. The spacecraft is officially cataloged with the Satellite Catalog Number 28737.

## Key Facts
- **Launch Date:** July 5, 2005
- **Instance Of:** Spacecraft
- **Launch Vehicle:** Long March 2D
- **Program Series:** Shijian (series number 7)
- **Satellite Catalog Number (SCN):** 28737
- **COSPAR ID:** 2005-024A
- **Aliases:** SJ-7, Shijian 7, Shi Jian 7

## FAQs
### Q: When was the Shijian-7 satellite launched?
A: Shijian-7 was launched on July 5, 2005.

### Q: What rocket was used to launch Shijian-7?
A: Shijian-7 was launched into orbit by a Long March 2D, which is a Chinese orbital carrier rocket.

### Q: What are the official identifiers for Shijian-7?
A: The primary identifiers for Shijian-7 are its Satellite Catalog Number (SCN), 28737, and its international COSPAR ID, 2005-024A.

## Why It Matters
Shijian-7's significance lies in its identity as a cataloged object in Earth's orbit and its place within China's long-running Shijian satellite program. Its launch represents a data point in the operational history of the reliable Long March 2D carrier rocket, contributing to the vehicle's flight heritage.

The assignment of unique identifiers like SCN 28737 and COSPAR ID 2005-024A is crucial for the field of space situational awareness. These designations allow national and international agencies to track the satellite, predict its orbit, and prevent potential collisions with other space objects. While the specific mission of Shijian-7 is not detailed in the provided data, its existence as the seventh in a numbered series demonstrates a programmatic and sustained effort in satellite development. Its presence in space tracking databases ensures it is a known component of the near-Earth orbital environment.

## Notable For
- **Series Designation:** It is officially the seventh satellite in the Shijian series of spacecraft.
- **Launch Vehicle:** Its launch was conducted using a Long March 2D, a Chinese orbital carrier rocket.
- **Unique Catalog Number:** It is tracked and identified by the specific Satellite Catalog Number 28737.
- **International Designator:** It is internationally recognized by the COSPAR ID 2005-024A, which identifies it as the first object cataloged from the 24th launch of 2005.

## Body
### Identification and Naming
Shijian-7 is a spacecraft with several official identifiers and aliases.
- **Primary Name:** Shijian-7
- **Aliases:** SJ-7, Shijian 7, Shi Jian 7
- **Satellite Catalog Number (SCN):** 28737
- **COSPAR ID:** 2005-024A
- **Wolfram Language Entity Code:** `Entity["Satellite", "28737"]`

### Launch Details
- **Launch Date:** The satellite was launched on July 5, 2005.
- **Launch Vehicle:** The launch was carried out by a Long March 2D rocket. The Long March 2D is classified as a Chinese orbital carrier rocket.

### Program and Classification
- **Class:** Shijian-7 is an instance of a spacecraft, a vehicle designed to fly in outer space.
- **Series:** It is part of the Shijian satellite series, with a series ordinal number of 7.

## References

1. Jonathan's Space Report