FOSSASat (WISeSAT) Spacecraft - Nanosats Database

Spacecraft name	FossaSat CubeSat
Form factor	CubeSat
Units or mass	3U
Organization	Fossa Systems
Institution	Company
Entity type	Commercial
Nation (HQ)	Switzerland
Nation (AIT)	Spain
Manufacturer	AIVT by Fossa Systems
Operator	Fossa Systems
Oneliner	Establish secure, scalable satellite constellation supporting machine-to-machine (M2M) communication via space.
Description	SEALSQ, a company specializing in Semiconductors, PKI, and Post-Quantum technology hardware and software products, announced that in cooperation with WISeSat, will launch six next-generation satellites in 2025. Each satellite will feature incremental advancements in post-quantum cryptography and secure communication technologies, further solidifying their leadership in satellite-based IoT solutions. This ambitious deployment is part of a groundbreaking initiative to establish a secure, scalable satellite constellation supporting machine-to-machine (M2M) communication via space. Powered by SEALSQ’s post-quantum semiconductors and WISeSat’s expertise in IoT satellite communication, the constellation is designed to meet the growing demand for resilient and scalable solutions across industries such as logistics, precision agriculture, and critical infrastructure.
Sources	[1] [2] [3] [4] [5]
Photo sources	[1]
COTS subsystems	PLATFORM - Fossa Systems
Keywords	LoRa

Related Spacecraft

Spacecraft	Status	Launcher	Launch	Orbit
FOSSASat TAT-A (WISeSat?, FOSSASAT-2E18, FO018)	Operational (LinkedIn post about all 3 being commissioned)	Falcon 9, (Transporter-12)	2025-01-14	510 km, 97.7 deg
FOSSASat TAT-E (WISeSat-3?, FOSSASAT-2E19, FO019)	Operational (LinkedIn post about all 3 being commissioned)	Falcon 9, (Transporter-12)	2025-01-14	510 km, 97.7 deg
FOSSASat TAT-O (WISeSat?, FOSSASAT2E20)	Operational (LinkedIn post about all 3 being commissioned)	Falcon 9, (Transporter-12), (Impulse Space Mira)	2025-01-14	510 km, 97.7 deg
FOSSASAT-2E21 (FOSSASAT2E21, WISeSAT-4)	Operational (Official post on LinkedIn)	Falcon 9, (Transporter-14)	2025-06-23	510 km, 97.5 deg
FOSSASat-2E22 (WISeSAT-5)	Operational?	Falcon 9, (Transporter-15), (Impulse Space Mira)	2025-11-28	510 km, 97.5 deg
FOSSASat-2E23 (WISeSAT-6)	Operational?	Falcon 9, (Transporter-15), (Impulse Space Mira)	2025-11-28	510 km, 97.5 deg
FOSSASat-2E24 (WISeSAT-7)	Operational?	Falcon 9, (Transporter-15), (Impulse Space Mira)	2025-11-28	510 km, 97.5 deg
FOSSASat-2E25 (WISeSAT-8)	Operational? (No clear news found as of 2026-07-30)	Falcon 9, (Transporter-16)	2026-03-30	?
FOSSASat-2E26 (WISeSAT-9, FOSSASAT2E26)	Operational (News about cocmissioning done)	Falcon 9, (Transporter-17)	2026-07-07	590 km, 97.7 deg

Last modified: 2026-07-31