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PROTOMETHEE

Technology Demonstrator · Commercial/University Operator

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Protomethee, a technology demonstration satellite testing compact sensor and communications hardware for future missions, its name evoking Prometheus — the Greek titan who brought fire to humanity — a common naming theme for satellites intended as a 'first spark' proving new technology.

Its orbit

Orbit
Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
Altitude
290–297 mi (467–478 km)
Inclination
97.4°
One orbit
93.9 minutes15.3 orbits a day
NORAD ID
58321
Int’l designator
2023-174BT
Launched
2023

Orbital elements from CelesTrak, as of 22 Sep 2026.

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