Science
NOAA 21 (JPSS-2)
Polar Weather · NOAA / NASA
Right now
LiveIt moves every second. See exactly where it is — worked out from its orbit, on your own device — on the live 3D globe.
- Over
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- Altitude
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When NOAA-21 joined NOAA-20 in orbit, their combined data improved 48-hour temperature forecasts over the entire Northern Hemisphere — the equivalent of adding an entirely new global observing network. Its data is in every major weather model running right now. When you see a 5-day forecast, NOAA-21 helped build it.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 516–517 mi (831–832 km)
- Inclination
- 98.7°
- One orbit
- 101.4 minutes14.2 orbits a day
- NORAD ID
- 54234
- Int’l designator
- 2022-150A
- Launched
- 2022
Orbital elements from CelesTrak, as of 22 Sep 2026.
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