# NOAA-20

> American weather satellite

**Wikidata**: [Q46996282](https://www.wikidata.org/wiki/Q46996282)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NOAA-20)  
**Source**: https://4ort.xyz/entity/noaa-20

## Summary
NOAA-20 is an American weather satellite, also known as JPSS-1, operated by the National Oceanic and Atmospheric Administration. Launched on November 18, 2017, it is a key component of the Joint Polar Satellite System, designed to monitor weather and climate from a Sun-synchronous orbit.

## Key Facts
*   **Type**: American weather satellite
*   **Aliases**: JPSS-1, Joint Polar Satellite System 1, NOAA 20, JPSS 1
*   **Launch Date**: November 18, 2017
*   **Operator**: National Oceanic and Atmospheric Administration
*   **Part of**: Joint Polar Satellite System and Polar Operational Environmental Satellites
*   **Launch Vehicle**: Delta II (D378)
*   **Manufacturer**: Ball Aerospace & Technologies
*   **Takeoff Mass**: 2540 kilograms
*   **Orbit**: Sun-synchronous orbit
*   **Country of Origin**: United States

## FAQs
### Q: What is NOAA-20?
A: NOAA-20 is an American weather satellite, also known as JPSS-1. It is operated by the National Oceanic and Atmospheric Administration and is part of the Joint Polar Satellite System, designed to monitor weather and climate.

### Q: When was NOAA-20 launched?
A: NOAA-20 was launched on November 18, 2017, at 09:47:36 UTC. Its launch took place from Vandenberg Space Launch Complex 2 West.

### Q: Who operates NOAA-20?
A: NOAA-20 is operated by the National Oceanic and Atmospheric Administration (NOAA). It is a component of their Joint Polar Satellite System constellation.

### Q: What scientific instruments does NOAA-20 carry?
A: NOAA-20 carries several scientific instruments, including the Visible Infrared Imaging Radiometer Suite, Cross-track Infrared Sounder, Advanced Technology Microwave Sounder, Ozone Mapping and Profiler Suite, and Clouds and the Earth's Radiant Energy System.

### Q: What is the primary purpose of NOAA-20?
A: As a weather satellite, NOAA-20's primary purpose is to monitor weather and climate. It contributes to the Joint Polar Satellite System, providing critical data for meteorological observations and forecasting.

## Why It Matters
NOAA-20 plays a crucial role in global weather and climate monitoring as a vital component of the Joint Polar Satellite System (JPSS). By carrying advanced scientific instruments like the Visible Infrared Imaging Radiometer Suite (VIIRS) and the Cross-track Infrared Sounder (CrIS), it collects essential data on atmospheric temperature and moisture, sea surface temperature, vegetation, and ozone. This information is critical for improving weather forecasts, tracking severe storms, monitoring environmental changes, and enhancing our understanding of Earth's climate system. The data provided by NOAA-20 supports various applications, from daily weather predictions to long-term climate research, directly impacting public safety, economic activities, and environmental management. Its continuous operation ensures a steady stream of high-quality observations, making it indispensable for meteorologists and climate scientists worldwide.

## Notable For
*   **Key Component of JPSS**: It is the first satellite in the Joint Polar Satellite System (JPSS) series, designated JPSS-1, succeeding the Suomi NPP satellite.
*   **Advanced Instrumentation**: Carries a suite of five advanced instruments, including VIIRS, CrIS, ATMS, OMPS, and CERES, providing comprehensive environmental data.
*   **Sun-Synchronous Orbit**: Operates in a Sun-synchronous orbit, allowing it to observe every point on Earth at the same local time each day, crucial for consistent data collection.
*   **Operator**: Operated by the National Oceanic and Atmospheric Administration (NOAA), contributing to the United States' operational weather and climate monitoring capabilities.
*   **Launch Vehicle**: Launched aboard a Delta II rocket, marking one of the final missions for this retired expendable launch system.

## Body

### Overview
NOAA-20 is an American weather satellite, also known by its aliases JPSS-1, Joint Polar Satellite System 1, NOAA 20, and JPSS 1. It is classified as a weather satellite, an artificial satellite designed to monitor weather and climate.

### Mission and Operations
*   **Operator**: National Oceanic and Atmospheric Administration (NOAA)
*   **Part of**:
    *   Joint Polar Satellite System (a constellation of American meteorology satellites)
    *   Polar Operational Environmental Satellites (a constellation of American meteorological satellites)
*   **Purpose**: To monitor weather and climate.

### Launch Details
*   **Launch Date**: November 18, 2017, at 09:47:36 UTC
*   **Launch Location**: Vandenberg Space Launch Complex 2 West
*   **Launch Vehicle**: Delta II (specifically, the D378 variant)
*   **Launch Contractor**: United Launch Alliance
*   **Significant Event**: Rocket launch on 2017-11-18 from Vandenberg Space Launch Complex 2 West.

### Technical Specifications
*   **Takeoff Mass**: 2540 kilograms
*   **Power Source**: Photovoltaic system, generating 1932 watts
*   **Spacecraft Bus**: BCP-2000
*   **Orbit**: Sun-synchronous orbit

### Instrumentation
NOAA-20 carries the following scientific instruments:
*   Visible Infrared Imaging Radiometer Suite
*   Cross-track Infrared Sounder
*   Advanced Technology Microwave Sounder
*   Ozone Mapping and Profiler Suite
*   Clouds and the Earth's Radiant Energy System

### Relationships
*   **Related Class**: weather satellite, Delta II (launch vehicle)
*   **Preceded by**: NOAA-19, Suomi NPP
*   **Followed by**: NOAA-21

### Manufacturing
*   **Manufacturer**: Ball Aerospace & Technologies
*   **Country of Origin**: United States

### Identifiers
*   **SCN**: 43013
*   **COSPAR ID**: 2017-073A
*   **NSSDCA ID**: 2017-073A
*   **Google Knowledge Graph ID**: /g/11gf2dhmxc
*   **Wolfram Language Entity Code**: Entity["Satellite", "43013"]

### External Resources
*   **Official Description URL**: https://www.ball.com/aerospace/programs/jpss-1 (in English)
*   **Wikipedia Title**: NOAA-20
*   **Commons Category**: NOAA 20

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "NOAA-20",
  "description": "American weather satellite",
  "url": "https://www.ball.com/aerospace/programs/jpss-1",
  "sameAs": [
    "https://en.wikipedia.org/wiki/NOAA-20",
    "https://www.wikidata.org/wiki/Special:EntityData/Q28001607",
    "http://g.co/kg/g/11gf2dhmxc"
  ],
  "additionalType": "weather satellite",
  "alternateName": [
    "JPSS-1",
    "Joint Polar Satellite System 1",
    "NOAA 20",
    "JPSS 1"
  ],
  "operator": {
    "@type": "Organization",
    "name": "National Oceanic and Atmospheric Administration"
  },
  "dateLaunched": "2017-11-18",
  "manufacturer": {
    "@type": "Organization",
    "name": "Ball Aerospace & Technologies"
  },
  "mass": {
    "@type": "QuantitativeValue",
    "value": 2540,
    "unitCode": "KGM",
    "description": "takeoff mass"
  },
  "instrument": [
    "Visible Infrared Imaging Radiometer Suite",
    "Cross-track Infrared Sounder",
    "Advanced Technology Microwave Sounder",
    "Ozone Mapping and Profiler Suite",
    "Clouds and the Earth's Radiant Energy System"
  ]
}

## References

1. [Source](https://www.ball.com/aerospace/programs/jpss-1)
2. [Source](http://planet4589.org/space/log/launchlog.txt)
3. [Source](https://www.wmo-sat.info/oscar/satellites/view/noaa_20)
4. [Source](https://space.skyrocket.de/doc_sdat/npp.htm)