The Journal of Space Commerce

The Journal of Space Commerce

Hyperspectral Microwave Sounder (HyMS) Satellite Demonstrator Launched by Spire Global

One of Nine Satellites Orbited for the Company on SpaceX Twilight Mission

Tom Patton's avatar
Tom Patton
Jan 13, 2026
∙ Paid

A Hyperspectral Microwave Sounder (HyMS) satellite demonstrator was launched Sunday for Spire Global on the SpaceX Twilight rideshare mission. The satellite, one of nine Spire payloads launched on the mission, is designed to advance global weather forecasting from space.

“This area represents a multi-billion-dollar global atmospheric sounding need, drive…

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