The space startup class of 2021

Mira and Helios orbital transfer vehicles, founded by SpaceX employee number one

SaaS for space ops

Satellite constellation measuring methane and greenhouse gas emissions in near real time

Formation-flying radar satellites building 3D maps of the entire planet

Phoenix reentry capsules bringing microgravity research and cargo home from orbit

Space station modules and orbital carriers built like products, not projects

Arc reentry vehicles delivering cargo from orbit to anywhere on Earth in under an hour

Developer of a space-based constellation platform

Supernova, a solar-thermal spacecraft built for rapid maneuvers across orbits

Orbital mirrors selling sunlight after dark to solar farms below

Nyx, a reusable and refuelable capsule for cargo and eventually crew

In-space welding and construction technology for large orbital structures

Haven-1, aiming to be the world’s first commercial space station