BJ3A Satellite
21at-twenty-first-century-aerospace-technology
AI-enabled agile EO satellite — 0.5 m panchromatic, 23.5 km swath, 2 million km²/day capacity, stereo RMSE < 7.5 m (no GCP), launched June 2021.
Technical specifications
- Panchromatic GSD
- 0.5 m
- Multispectral GSD
- 2 m
- Swath width
- 23.5 km
- Altitude
- 500 km
- Revisit time
- 4 days at 40°N
- Daily acquisition
- 2 million km²
- Stereo accuracy (no GCP)
- RMSE < 7.5 m
- Dynamic range
- 12 bit
- Launch date
- June 11, 2021
About
BJ3A is an AI-enabled agile remote sensing optical satellite launched June 11, 2021, operating at 500 km altitude in a sun-synchronous orbit. It delivers 0.5 m panchromatic and 2 m multispectral imagery with a 23.5 km swath. The satellite features autonomous flight path selection capable of monitoring 500 global points of interest with ~100 passes per day, and supports a daily acquisition capacity of 2 million km². Stereo collection achieves RMSE < 7.5 m without ground control points, supporting high-accuracy 3D mapping.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
