SpaceX will launch a Falcon Heavy before the end of 2017. Any launch leaving the ground satisfies this, even if it fails during ascent, or carries only a test payload.

Created by atomicspacemann on 2017-01-23; known on 2018-01-01; judged wrong by PseudonymousUser on 2018-01-01.

• atomicspacemann estimated 85% on 2017-01-23
• rmeador estimated 50% on 2017-01-31
• jbeshir estimated 35% on 2017-05-09
• PseudonymousUser estimated 50% on 2017-05-10
• PseudonymousUser   judged this prediction wrong on 2018-01-01.