SpaceX will be launching 143 satellites and 3 additional payloads into a 500 km Sun-Synchronous Orbit (SSO) on their first dedicated rideshare mission, Transporter-1.

For the first time Falcon 9 will be flying with a third stage on the Transporter-1 mission. The transfer stage, the SHERPA-FX, is a satellite dispenser designed by Spaceflight to deploy secondary payloads.

On this mission, SHERPA will be carrying 146 payloads.

Credit-SpaceX