# Shikisai

> JAXA Earth observation satellite

**Wikidata**: [Q51904592](https://www.wikidata.org/wiki/Q51904592)  
**Source**: https://4ort.xyz/entity/shikisai-q51904592

Here’s the structured knowledge entry for **Shikisai**:

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## Summary  
Shikisai (also known as GCOM-C1) is a Japanese Earth observation satellite operated by JAXA (Japan Aerospace Exploration Agency). Launched in 2017, it is part of the Global Change Observation Mission (GCOM) and monitors climate-related environmental changes from orbit.  

## Key Facts  
- **Official Name**: Shikisai (GCOM-C1, Global Change Observation Mission – Climate)  
- **Operator**: Japan Aerospace Exploration Agency (JAXA)  
- **Launch Date**: December 23, 2017, at 01:26:22 UTC  
- **Launch Vehicle**: H-IIA (Flight H-IIA-37)  
- **Launch Site**: Yoshinobu Launch Complex Launch Pad 1, Japan  
- **COSPAR ID**: 2017-082A  
- **Mission**: Part of the Global Change Observation Mission (GCOM)  
- **Satellite Catalog Number**: 43065  
- **Significant Event**: Launched alongside the Super Low Altitude Test Satellite  

## FAQs  
### Q: What is the purpose of Shikisai?  
A: Shikisai monitors Earth's climate and environmental changes, providing data for climate research and environmental monitoring.  

### Q: Who operates Shikisai?  
A: It is operated by JAXA (Japan Aerospace Exploration Agency), Japan's national aerospace agency.  

### Q: When was Shikisai launched?  
A: It was launched on December 23, 2017, aboard an H-IIA rocket from Yoshinobu Launch Complex in Japan.  

## Why It Matters  
Shikisai plays a critical role in understanding global climate change by collecting high-resolution data on Earth's atmosphere, oceans, and land surfaces. Its observations contribute to long-term climate models, helping scientists track environmental shifts like deforestation, sea ice loss, and atmospheric composition changes. As part of JAXA's Global Change Observation Mission, Shikisai complements other satellites to provide a comprehensive view of Earth's systems, aiding policymakers and researchers in addressing climate-related challenges.  

## Notable For  
- **Climate Focus**: Dedicated to monitoring climate change and environmental trends.  
- **JAXA Mission**: Part of Japan's broader Global Change Observation Mission (GCOM).  
- **Precision Launch**: Deployed via H-IIA, Japan's reliable medium-lift launch vehicle.  

## Body  
### Mission Overview  
- Shikisai (GCOM-C1) is designed to observe Earth's climate and environmental changes.  
- It is part of JAXA's Global Change Observation Mission (GCOM), alongside other satellites like GCOM-W1.  

### Technical Specifications  
- **Satellite Catalog Number**: 43065  
- **COSPAR ID**: 2017-082A  
- **NSSDCA ID**: 2017-082A  

### Launch Details  
- **Date**: December 23, 2017  
- **Time**: 01:26:22 UTC  
- **Launch Vehicle**: H-IIA (Flight H-IIA-37)  
- **Launch Site**: Yoshinobu Launch Complex Launch Pad 1  

### Collaborations and Payloads  
- Launched alongside the Super Low Altitude Test Satellite (SLATS).  
- Primary instruments include sensors for measuring atmospheric and oceanic conditions.  

### Operational Role  
- Provides data for climate research, environmental monitoring, and disaster response.  
- Supports international efforts to track global warming and ecosystem changes.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report