BJ 3B Satellite Imagery
Beijing -3, a duo of optical Earth observation satellites, is under the ownership and operation of Twenty First Century Aerospace Technology Co., Ltd (21AT). The launch of Beijing-3A took place on 11 June 2021, while Beijing-3B was launched on 24 August 2022. The imager on Beijing-3B possesses a spatial resolution of 0.3 m. These satellites are equipped with on-board artificial intelligence (AI) that enables autonomous flight path generation and ensures stability during swift observations, as the spacecraft can reach speeds of up to 10° per second.
Beijing 3B Specifications | |
Orbit | SSO (Sun-synchronous Orbit) Altitude 610 km LTAN 11:00 local time Inclination 97.942° |
Launch Date | August 24, 2022 |
Spectrum bands (in nm) | Panchromatic – 450 to 900 Blue – 450 to 520 Green – 520 to 590 Red – 630 to 690 NIR – 770 to 890 |
Resolution GSD | 30 cm panchromatic 1.2m multispectral at nadir |
Precision | Better than 1:10000 map scale |
Dynamic range | 11 bits |
Swath width | 11.5 km (at Nadir) |
Revisit | 5 days (at 45°N) |