NOAA-20

Overview

The first satellite of NOAA's Joint Polar Satellite System, providing global polar-orbiting weather and environmental observations.

Knowledge connections

• OrbitSun-Synchronous Orbit (SSO)
• Operated byNOAA

Sources

Facts on this topic will be cited from these primary and reference sources.

• NOAA Solar CalculatorNOAA Global Monitoring Laboratory

  Public-domain solar-position geometry: sunrise, sunset, solar noon, twilight, declination, and the equation of time.

  Public domain (US Government work).