Science
HEAD-3B
Chinese Commercial Earth Observation / AIS Satellite · HEAD Aerospace (China)
Right now
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HEAD-3B, part of HEAD Aerospace's commercial small satellite constellation combining Earth imaging with AIS ship-tracking receivers in a single spacecraft. HEAD's satellites serve customers who need both visual confirmation of maritime activity and the underlying vessel transponder data — an increasingly valuable combination for maritime insurance, illegal fishing detection, and sanctions enforcement monitoring.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 430–435 mi (692–700 km)
- Inclination
- 45.0°
- One orbit
- 98.5 minutes14.6 orbits a day
- NORAD ID
- 57627
- Int’l designator
- 2023-121B
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.