“Roman will use its propellant to power two types of thrusters that help it stay in its planned orbit around L2 and ensure the solar array panels face the sun, which is the observatory's main source of power throughout the mission,”

NASA · said date not stated · reported 2026-07-28

NASA explained in a statement how the Roman Space Telescope will use its propellant to maintain orbit around Lagrange point 2 and keep its solar arrays sun-facing.