description OSIRIS-APEX Overview
OSIRIS-APEX is NASA's extended mission for the spacecraft that returned a sample from asteroid Bennu in 2023 under the OSIRIS-REx program. After the sample-return phase, the spacecraft was redirected toward asteroid Apophis, which it is intended to study around and after the asteroid's close Earth flyby in 2029. The mission extends a completed sample-return investigation into a close-up study of a different near-Earth asteroid.
help OSIRIS-APEX FAQ
What is OSIRIS-APEX?
OSIRIS-APEX is the extended mission of NASA's OSIRIS-REx spacecraft. After returning a sample from asteroid Bennu in 2023, the spacecraft was redirected toward asteroid Apophis.
Which asteroid will OSIRIS-APEX study?
OSIRIS-APEX is intended to study Apophis. The spacecraft is expected to observe the asteroid around and after its close approach to Earth in 2029.
How is OSIRIS-APEX connected to OSIRIS-REx?
OSIRIS-REx completed its Bennu sample-return mission in 2023, then continued into an extended mission. That extended mission was renamed OSIRIS-APEX and redirected to Apophis.
What did the original OSIRIS-REx mission return?
OSIRIS-REx returned material collected from asteroid Bennu to Earth in 2023. The successful sample return made it possible to reuse the spacecraft for the Apophis mission.
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