Science
TIANMU-1 21
Commercial Weather (Radio Occultation) · MWS (Commercial)
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
- —
- Altitude
- —
- Speed
- —
Tianmu #21. Each satellite measures hundreds of atmospheric profiles per day — complete vertical slices of temperature, pressure, and humidity from the ground to the stratosphere. Across the full Tianmu constellation, it represents one of the most prolific atmospheric measurement programs in history.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 283–288 mi (456–464 km)
- Inclination
- 97.5°
- One orbit
- 93.6 minutes15.4 orbits a day
- NORAD ID
- 58662
- Int’l designator
- 2023-208C
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
More science
- TIANMU-1 22Commercial Weather (Radio Occultation)
- TIANPING 2AChinese Radar Calibration Satellite (Formation)
- TIANPING 2BChinese Radar Calibration Satellite (Formation)
- TIANPING 2CChinese Radar Calibration Satellite (Formation)
- TIANPING 3A-01Radar calibration / technology support
- TIANPING 3B-01Radar calibration / technology support