Mars Cube One
Spacecraft
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Mars Cube One was a Mars flyby mission launched on 5 May 2018 alongside NASA's InSight Mars lander. It consisted of two nanospacecraft, MarCO-A and MarCO-B, that provided real-time communications to ... Wikipedia
Launch date: May 5, 2018
Last contact: MarCO-A: 4 January 2019; MarCO-B: 29 December 2018
Launch mass: 13.5 kg (30 lb) each
Mission duration: MARCO A: 7 months and 30 days; MARCO B: 7 months and 24 days
Reference system: heliocentric
Rocket: Atlas V 401