SN-15 to fly by the end April

Created by JoshuaZ on 2021-04-12; known on 2021-05-01; judged wrong by JoshuaZ on 2021-05-01.

• JoshuaZ estimated 80% on 2021-04-12
• stepan estimated 10% on 2021-04-30
• JoshuaZ   judged this prediction wrong on 2021-05-01.