# Jason

> American/French Earth observation satellite series

**Wikidata**: [Q14177683](https://www.wikidata.org/wiki/Q14177683)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jason_satellite_series)  
**Source**: https://4ort.xyz/entity/jason

## Summary
The Jason satellite series is an American/French Earth observation satellite series designed for oceanography missions, particularly measuring sea surface height and ocean circulation. It consists of three satellites: Jason-1, OSTM/Jason-2, and Jason-3, each contributing to climate research and marine science.

## Key Facts
- **Instance of**: Spacecraft series and space instrument
- **Subclass of**: Earth observation satellite
- **Named after**: Jason (from Greek mythology)
- **Has parts**: Jason-1, OSTM/Jason-2, Jason-3
- **Primary purpose**: Oceanography, sea surface height measurement
- **Operational countries**: United States and France
- **Wikipedia title**: Jason satellite series
- **Commons category**: Jason satellite series
- **Aliases**: Joint Altimetry Satellite Oceanography Network
- **Wikidata description**: American/French Earth observation satellite series

## FAQs
### Q: What is the Jason satellite series used for?
A: The Jason satellite series is primarily used for oceanography, measuring sea surface height and ocean circulation to support climate research and marine science.

### Q: How many satellites are in the Jason series?
A: There are three satellites in the series: Jason-1, OSTM/Jason-2, and Jason-3.

### Q: Who operates the Jason satellites?
A: The Jason satellites are operated jointly by the United States and France.

### Q: What is the significance of the Jason series?
A: The Jason series provides critical data for understanding ocean dynamics, climate change, and marine ecosystems, contributing to global environmental monitoring.

### Q: Are there any notable achievements of the Jason satellites?
A: The Jason satellites have set standards for ocean altimetry, improving accuracy in sea level measurements and supporting long-term climate studies.

## Why It Matters
The Jason satellite series plays a crucial role in climate research and marine science by providing precise measurements of sea surface height and ocean circulation. These data are essential for understanding climate change, predicting weather patterns, and monitoring coastal erosion. The series has contributed to a continuous dataset spanning decades, enabling scientists to track global sea level rise and ocean heat content. By operating in collaboration between the United States and France, the Jason series ensures robust, long-term observations that support international environmental policies and scientific advancements.

## Notable For
- **Long-term ocean data**: Provides continuous sea surface height measurements for climate studies.
- **International collaboration**: Operated jointly by the United States and France.
- **Precision altimetry**: Sets standards for ocean altimetry with high accuracy.
- **Climate impact**: Supports research on sea level rise and ocean heat content.
- **Marine science**: Contributes to understanding ocean dynamics and marine ecosystems.

## Body
### Overview
The Jason satellite series is a collaborative effort between the United States and France, consisting of three satellites: Jason-1, OSTM/Jason-2, and Jason-3. Each satellite is designed for Earth observation, specifically focusing on oceanography.

### Jason-1
- **Launch**: Operated from 2001 to 2013.
- **Mission**: Provided critical data on sea surface height and ocean circulation.
- **Collaboration**: Joint project between NASA and CNES (French space agency).

### OSTM/Jason-2
- **Launch**: Operated from 2008 to 2023.
- **Mission**: Continued the altimetry measurements started by Jason-1.
- **Collaboration**: Joint effort between NASA and CNES.

### Jason-3
- **Launch**: Operated from 2016 to 2023.
- **Mission**: Ensured continuity of ocean altimetry data.
- **Collaboration**: Joint project between NASA, NOAA, EUMETSAT, and CNES.

### Technical Specifications
- **Primary instrument**: Radar altimeter for measuring sea surface height.
- **Data applications**: Climate modeling, weather prediction, and marine research.
- **Named after**: Jason from Greek mythology, symbolizing the quest for knowledge.

### Significance
- **Climate research**: Provides long-term data on sea level rise and ocean heat content.
- **Marine science**: Supports studies on ocean currents and marine ecosystems.
- **International cooperation**: Demonstrates collaboration between the United States and France in space exploration.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Jason satellite series",
  "description": "American/French Earth observation satellite series for oceanography missions",
  "sameAs": ["https://www.wikidata.org/wiki/Q123456", "https://en.wikipedia.org/wiki/Jason_satellite_series"],
  "additionalType": "SpacecraftSeries"
}