With NASA’s current plans to establish a long-term cislunar presence through the lunar space station, Gateway, there is a significant interest in exploring potential missions that either conclude at or originate from the Gateway. Gateway will be placed in an Earth–Moon L2 southern near-rectilinear halo orbit and will act as a staging outpost for Moon-based missions and beyond. Several proposed missions are centered around the Gateway, creating an opportunity for secondary payloads with smaller s