PLATO
Spacecraft
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PLAnetary Transits and Oscillations of stars is a space telescope under development by the European Space Agency for launch in 2026. Wikipedia
Launch date: 2026
Manufacturer: OHB SE
Diameter: 26 telescopes, 120 mm each
Launch mass: 2,134 kg (4,705 lb) including 103 kg of propellant
Mission duration: 4 years (plus 4 years of possible mission extensions)
Payload mass: 533 kg (1,175 lb)
Reference system: Sun–Earth L2