FLOCK 4V-20 is a CubeSat (3U) satellite manufactured by PLAN and owned by the same entity. It was launched on September 3, 2020, from FRGUI Launch Site using ZLV launch pad with Vega as the launch vehicle. The satellite's dimensions are 0.3 meters in length, 0.1 meters in diameter, and it has a span of 0.3 meters. Its dry mass is 5.7 kilograms, which is also its launch mass. Equipped with PS0, PS1 or PS2 imaging payload under the Dove 2406 mission, FLOCK 4V-20 uses solar cells and batteries for power. The satellite's purpose is technology-related and it operates in either an ISS orbit with a lifespan of approximately one year or in a Sun-Synchronous Orbit (SSO) where its operational life extends to two to three years. Its shape consists of a box with two panels.