Small-satellite electric propulsion providers Exotrail, Apollo Fusion move forward in competitive market

by Peter B. de Selding

PARIS — Two startup companies building electric-propulsion systems for small satellites — Exotrail of France and Apollo Fusion of the United States — have recently passed key milestones on the way to building their businesses.

Exotrail in December tested, for the first time, its ExoMG Hall-effect propulsion system in orbit, on a technology demonstration satellite built by NanoAvionics of Lithuania. Exotrail, using data from independent satellite tracer, reported a 700-meter altitude raise and an ignition that fired . . .

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