# Haiyang 2B
**Wikidata**: [Q108100887](https://www.wikidata.org/wiki/Q108100887)  
**Source**: https://4ort.xyz/entity/haiyang-2b

## Summary
Haiyang 2B is a Chinese ocean observation satellite launched on October 24, 2018, aboard a Long March 4B rocket. It is part of the Haiyang-2 series, designed to monitor maritime environments, track ocean dynamics, and support China's maritime management and scientific research. The satellite provides critical data for environmental monitoring and economic activities.

## Key Facts
- **Launch Date**: October 24, 2018
- **Launch Vehicle**: Long March 4B orbital carrier rocket
- **COSPAR ID**: 2018-081A
- **SCN (Space Catalog Number)**: 43655
- **Class**: Haiyang-2, a series of Chinese observation satellites
- **Country**: People's Republic of China
- **Primary Mission**: Maritime observation, including monitoring ocean currents, waves, and environmental conditions

## FAQs
### Q: When was Haiyang 2B launched and what rocket was used?
A: Haiyang 2B was launched on October 24, 2018, using a Long March 4B orbital carrier rocket.

### Q: What is the purpose of Haiyang 2B?
A: The satellite is designed to monitor ocean dynamics, track maritime environments, and provide data for scientific research and resource management.

### Q: What are the key identifiers for Haiyang 2B?
A: Its COSPAR ID is 2018-081A, and its Space Catalog Number (SCN) is 43655.

## Why It Matters
Haiyang 2B plays a significant role in China's efforts to enhance maritime surveillance and scientific understanding of ocean systems. By providing high-resolution data on ocean currents, waves, and environmental conditions, the satellite supports fisheries management, disaster mitigation, and climate studies. As part of the Haiyang-2 series, it contributes to the country's broader strategy to leverage space-based assets for economic development and environmental sustainability. Its capabilities help address challenges such as maritime safety, resource exploitation, and ecological protection, underscoring its importance in both national and global contexts.

## Notable For
- **Advanced Ocean Monitoring**: Equipped to track complex ocean dynamics in real time.
- **Series Contribution**: Part of the Haiyang-2 class, expanding China's observational capabilities.
- **Economic and Scientific Impact**: Supports fisheries, shipping, and climate research through precise data collection.

## Body
### Launch Details
- **Date**: October 24, 2018
- **Rocket**: Long March 4B, a reliable Chinese orbital carrier rocket with 15 documented launches (per sitelink data).
- **Mission**: Deploy Haiyang 2B into orbit for maritime observation.

### Mission Objective
- **Primary Function**: Monitor ocean surface conditions, including waves, currents, and temperature.
- **Applications**: Data used for environmental protection, fisheries management, and maritime disaster response.

### Technical Specifications
- **Identifiers**:
  - COSPAR ID: 2018-081A
  - SCN: 43655
- **Classification**: Instance of the Haiyang-2 satellite class, designed for long-term ocean observation.

### Operational Role
- **Data Provision**: Supports China's maritime policies and international scientific collaboration.
- **National Strategy**: Aligns with China's goal to enhance its space-based Earth observation network for sustainable development.

## References

1. Jonathan's Space Report