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Artemis 2: The Final Descent – Timing and Timeline
Artemis 2 adjusts course for Earth return; here is the schedule.
Course corrections align the Orion capsule for re-entry, featuring a communication blackout, peak velocity, and a precision parachute sequence in the Pacific. The crew returns after a 10-day mission.
The Final Approach
NASA has fine-tuned the Artemis 2 flight path, confirming the Orion capsule's splashdown for 9:07 PM (BRT) / 8:07 PM (ET) this Friday, April 10, 2026. The touchdown is set for the Pacific Ocean, off the coast of San Diego. The latest adjustment involved a 9-second thruster burn to ensure the capsule hits its target precisely.
Returning from the moon is a game of extreme physics. In just a few minutes, Orion must decelerate from over 40,000 km/h to a mere 32 km/h. This radical reduction depends on a flawless sequence of maneuvers and a perfect atmospheric entry angle.
The Re-entry Sequence: Minute by Minute
Pre-entry Preparation: On their final day in space, the four astronauts don compression suits to help their cardiovascular systems readapt to gravity.
Module Jettison: Approximately 20 minutes before re-entry, the Service Module is discarded, finally exposing the heat shield that will protect the crew from incineration.
The Critical Angle: Before hitting the air, Orion performs fine-tuned attitude adjustments. If the entry angle is too steep, the capsule burns up; too shallow, and it could skip off the atmosphere back into deep space like a stone on a pond.
Heat, Plasma, and the Blackout Zone
The "Entry Interface" begins at an altitude of roughly 122 km. At speeds nearly 35 times the speed of sound, friction with the atmosphere generates temperatures exceeding 2,700°C.
This intense heat creates a shroud of plasma around the craft, causing a six-minute communication blackout. During this window, the crew is entirely cut off from Mission Control. Simultaneously, the astronauts endure forces up to 3.9g. To keep these loads survivable, Orion uses a "skip" or guided entry technique to stretch out the deceleration period.
The Atmosphere as a Brake
Orion isn't built to glide; it's effectively a "flying brick." It uses pure atmospheric drag to do the heavy lifting, shedding the vast majority of its kinetic energy in just minutes. By the time the blackout ends, the capsule is at an altitude of about 46 km, moving fast but finally slow enough for the final recovery phase.
Parachutes and Recovery
6.7 km Altitude: Two drogue parachutes deploy to stabilize the capsule and begin the final braking.
1.8 km Altitude: The three massive main parachutes unfurl, slowing Orion to its final descent speed.
Splashdown: The capsule hits the Pacific at roughly 32 km/h.
Once in the water, recovery teams aim to extract the crew within two hours. They will be airlifted to the USS John P. Murtha for medical evaluations before heading home to the Johnson Space Center in Texas.
The entire sequence—from the first touch of the atmosphere to the ocean splash—takes just over ten minutes. It’s the fastest, hottest, and most dangerous part of the journey.
Welcome home, Artemis 2.
