"NASA is modifying its Artemis timeline to insert a mission before lunar landings, designated Artemis III, which will fly in Earth orbit to reduce risks for Artemis IV."
"One of the questions is what the initial orbit will be for Artemis III. Is it going to be LEO or HEO? There are pros and cons for each of them, for sure."
"During Artemis III, the Orion spacecraft will launch on a Space Launch System rocket from Florida, and in Earth orbit, they will rendezvous with NASA's Human Landing Systems."
"A rendezvous in low-Earth orbit would potentially allow NASA to fly the SLS rocket without using an Interim Cryogenic Propulsion Stage, saving it for the Artemis IV mission."
NASA's Artemis II mission is set to return to Earth soon, while preparations for Artemis III are underway. This mission will occur in Earth orbit, aiming to mitigate risks for the subsequent lunar landing mission, Artemis IV. NASA Administrator Jared Isaacman mentioned that discussions are ongoing regarding the initial orbit for Artemis III, weighing the benefits of Low-Earth Orbit (LEO) versus High-Earth Orbit (HEO). The Orion spacecraft will launch with four astronauts, potentially allowing for a rendezvous with NASA's Human Landing Systems.
Read at Ars Technica
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