PARIS— Geospatial satellite imagery constellation startup Prométhée has contracted with small-satellite builder Hemeria to build one demonstration satellite and 20 operational spacecraft for Prométhée’s Japetus constellation of high-revisit observation satellites.
Japetus will feature a novel tip-and-cue technique in which ground sensors send narrowband information to the French Kineis constellation of commercial IoT satellites, orbiting at 650 kilometers, and then on to 450-kilometer-orbit Japetus for on-board analysis and possible image tasking.
Prom . . .
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