Fewer small satellites (<500kg) launched in 2018 than 2017.

Created by Athrithalix on 2018-02-14; known on 2018-12-31; judged right by Athrithalix on 2019-11-25.

• Athrithalix estimated 55% on 2018-02-14
• Athrithalix   judged this prediction right on 2019-11-25.