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Friday, October 16, 2026 · UTC
Missions & Exploration

NASA says Roman telescope's fuel could stretch to 22 years of science

The Nancy Grace Roman Space Telescope's first mid-course correction used about 18 kilograms of propellant on August 31, and NASA says the tank may hold enough for 22 years of operations.

Caleb Mbeki
Planetary Science Reporter
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The Nancy Grace Roman Space Telescope used about 18 kilograms (40 pounds) of its 200-kilogram propellant budget in its first mid-course correction on 2026-08-31, executing the manoeuvre with more than 99% accuracy, NASA said in a mission update on 2026-09-14.[2]