PeakSat

Operator Aristotle University of Thessaloniki
European Space Agency

COSPAR ID2026-067BS

Websitehttps://peaksat.spacedot.gr

Mission duration12 days (in progress)

PeakSat

Operator	Aristotle University of Thessaloniki European Space Agency
COSPAR ID	2026-067BS
Website	https://peaksat.spacedot.gr
Mission duration	12 days (in progress)
Spacecraft properties
Spacecraft type	3U CubeSat
Start of mission
Launch date	30 March 2026, 11:02 UTC
Rocket	Falcon 9 Transporter 16
Greek CubeSat In-Orbit Validation ← OptiSat Hellenic Space Dawn →

PeakSat is a Greek technology demonstration satellite intended to test a laser-based optical communication link between low Earth orbit and the optical ground station at Holomonta in Chalkidiki.^[1][2][3] The 3U CubeSat-type small satellite^[4] was developed by undergraduate students at the Aristotle University of Thessaloniki^[1] and its development was supported by the EU's and ESA's Greek CubeSat In-Orbit Validation programme. PeakSat includes an ATLAS-1 laser terminal by the Lithuanian company Astrolight.^[5][6] The satellite was launched on the Transporter-16 flight of the Falcon 9 rocket on 30 March 2026.^[5][7]