New Horizon’s Radioisotope Thermoelectric Generator (RTG)

New Horizons carries seven scientific instruments and weighs 1,060 pounds.
New Horizons carries seven scientific instruments and weighs 1,060 pounds.
January 3, 2025
CreditNASA/JHUAPL
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The radioisotope thermoelectric generator (RTG) has been installed onto the New Horizons spacecraft for a fit check. The RTG is the baseline power supply for New Horizons, launched in January 2006 on a journey to Pluto and its moon, Charon. It flew past Pluto in July 2015.