Titan Saturn System Mission
Titan Saturn System Mission was a joint NASA–ESA proposal for an exploration of Saturn and its moons Titan and Enceladus, where many complex phenomena were revealed by Cassini. TSSM was proposed to launch in 2020, get gravity assists from Earth... Wikipedia
Launch date: Between 2020 and 2029 (proposed)
Launch mass: Orbiter: 1,613 kg (3,556 lb); Montgolfière:600 kg (1,300 lb); Lander: 190 kg (420 lb)
Mission duration: 2 years (proposed)
Names: TandEM
Reference system: Titan Orbit