Osiris constellation
Planned satellites mapping land temperature every day
Hydrosat
Thermal imaging satellite company with offices in Washington, DC and Luxembourg. Its satellites measure land surface temperature so farmers and governments can see crop water stress and plan irrigation.
Products, by altitude
Low Earth orbit · 160–2,000 km
In development In service 
VanZyl thermal satellites
Heat-sensing satellites that spot crops short of water
On the ground · 0 km · Earth’s surface
In service 
IrriWatch
Daily satellite-based watering advice for each farm field
Known rounds
Milestones
- Jun 2023 Hydrosat acquired IrriWatch, an irrigation-advice software service. Company statement4
Sources
Updated Oct 22, 2026 · How we source facts · Suggest a correction