# Joint Polar Satellite System

> constellation of American meteorology satellites

**Wikidata**: [Q6269319](https://www.wikidata.org/wiki/Q6269319)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Joint_Polar_Satellite_System)  
**Source**: https://4ort.xyz/entity/joint-polar-satellite-system

## Summary
The Joint Polar Satellite System (JPSS) is a constellation of American meteorology satellites sponsored and operated by the National Oceanic and Atmospheric Administration (NOAA). Developed in partnership with the National Aeronautics and Space Administration (NASA), the system is designed to monitor global weather and climate. The constellation currently includes the Suomi NPP, NOAA-20, and NOAA-21 satellites.

## Key Facts
*   **Classification:** The system is a spacecraft constellation and a subclass of weather satellite (artificial satellite of the Earth).
*   **Operator:** The National Oceanic and Atmospheric Administration (NOAA) serves as both the sponsor and operator.
*   **Developer:** The system was developed jointly by the National Oceanic and Atmospheric Administration and the National Aeronautics and Space Administration (NASA).
*   **Constellation Components:** The JPSS includes the Suomi NPP, NOAA-20, and NOAA-21 satellites.
*   **Orbit:** The satellites operate in a Sun-synchronous orbit.
*   **Mission:** The primary function is to monitor weather and climate.
*   **Aliases:** Also known as JPSS, ジョイント・ポーラー・サテライト・システム, and 聯合極地衛星系統.

## FAQs
### Q: Who operates the Joint Polar Satellite System?
A: The Joint Polar Satellite System is sponsored and operated by the National Oceanic and Atmospheric Administration (NOAA). It was developed in collaboration with the National Aeronautics and Space Administration (NASA).

### Q: Which satellites are part of the JPSS constellation?
A: The constellation comprises three specific American weather satellites: Suomi NPP, NOAA-20, and NOAA-21.

### Q: What is the primary purpose of the Joint Polar Satellite System?
A: JPSS is designed to function as a weather satellite system that monitors weather and climate conditions. It operates as an artificial satellite of the Earth in a Sun-synchronous orbit.

## Why It Matters
The Joint Polar Satellite System represents a critical infrastructure component for American meteorology and global climate monitoring. As a constellation of weather satellites, it provides essential data for weather forecasting and environmental observation. By utilizing a Sun-synchronous orbit, the system ensures consistent lighting conditions for imaging, which is vital for accurate climate data collection over time. The collaboration between NOAA and NASA in developing and operating these spacecraft combines scientific research with operational weather management. The inclusion of satellites like Suomi NPP, NOAA-20, and NOAA-21 ensures a continuous stream of meteorological data, making it a foundational element of the United States' weather monitoring capabilities.

## Notable For
*   Being the primary constellation of American meteorology satellites sponsored by NOAA.
*   Operating in a Sun-synchronous orbit to monitor weather and climate effectively.
*   Constituting a partnership between NOAA (operator) and NASA (developer).
*   Housing advanced weather satellites including Suomi NPP, NOAA-20, and NOAA-21.

## Body
### Organizational Structure
The Joint Polar Satellite System (JPSS) operates under the sponsorship and operation of the **National Oceanic and Atmospheric Administration (NOAA)**. While NOAA manages the program, the hardware and systems were developed by both NOAA and the **National Aeronautics and Space Administration (NASA)**. This collaboration integrates NASA's space exploration expertise with NOAA's meteorological mission.

### Constellation Components
JPSS is defined as a spacecraft constellation, meaning it is a group of artificial satellites working in coordination. The specific satellites identified within this system include:
*   **Suomi NPP:** An American weather satellite included in the system.
*   **NOAA-20:** An American weather satellite included in the system.
*   **NOAA-21:** An American weather satellite included in the system.

### Technical Specifications
The system is classified as a subclass of **weather satellite**, designed specifically to monitor weather and climate. As **artificial satellites of the Earth**, the JPSS units orbit the planet to gather data. They are positioned in a **Sun-synchronous orbit**, a specific type of orbit that allows the satellite to pass over the same part of the Earth at roughly the same local time each day, ensuring consistent data for climate analysis.

## Schema Markup
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  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Joint Polar Satellite System",
  "description": "A constellation of American meteorology satellites sponsored by NOAA to monitor weather and climate.",
  "url": "https://www.jpss.noaa.gov/",
  "sameAs": [
    "https://en.wikipedia.org/wiki/Joint_Polar_Satellite_System"
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  "additionalType": "Weather Satellite"
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## References

1. [Source](https://www.raytheonintelligenceandspace.com/capabilities/products/jpss)
2. [Source](https://www.jpss.noaa.gov/mission_and_instruments.html)