Spacecraft consists of the Navigator platform adapted for the WSO-UV and of the payload.

Main paramters

Life time - > 5 years
Spacecraft mass with propellant - 2900 Kg
Payload mass - 1600 Kg
The power consumption for payload - 750 W
Data transmission rate - 2 Mbit s/1
Stabilization and pointing accuracy using the Fine Guidance System data 0,1 arcsec (3σ)