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Artemis II Moon Mission
11APR

Final 8-second pre-entry correction burn fires at 15:16 EDT

1 min read
13:15UTC

A last thruster adjustment was published on NASA's Artemis blog and not picked up by wire services, completing Orion's approach geometry before ESM separation.

ScienceDeveloping
Key takeaway

The approach was managed to precision; wire services missed it.

NASA fired a final eight-second thruster burn at 15:16 EDT on 10 April, producing a 4.2 feet-per-second velocity change, published on the NASA Artemis blog and absent from wire coverage 1. This burn is distinct from the nine-second trajectory correction burn on 9 April that locked the re-entry corridor. The final adjustment confirms the approach geometry was managed to precision through the last minutes before ESM separation at 19:33 EDT.

Deep Analysis

In plain English

Before a spacecraft re-enters Earth's atmosphere, Mission Control uses small thruster burns to position it precisely for the correct re-entry angle. Enter too steep, and the spacecraft experiences lethal heat and deceleration forces. Enter too shallow, and it skips off the atmosphere like a stone across water and continues into space. At 15:16 EDT on 10 April 2026, about an hour before Orion hit the atmosphere, NASA fired a final eight-second thruster burn. This changed the spacecraft's velocity by 4.2 feet per second, or roughly 1.3 metres per second. The burn was published on the NASA Artemis blog but did not appear in mainstream wire service coverage of the mission. The burn is operationally routine but precisely executed. After splashdown, Mission Control described the landing as a 'perfect bullseye'. The 4.2 fps correction burn is part of the reason why.

What could happen next?
  • The final correction burn confirms that Orion's approach navigation was actively managed to sub-metre-per-second precision, consistent with the Mission Control 'perfect bullseye' assessment.

First Reported In

Update #9 · First crewed Moon return since Apollo 17

NASA· 11 Apr 2026
Read original
Different Perspectives
JAXA
JAXA
JAXA is an Artemis Accords signatory with the Lunar Cruiser rover planned for south-pole surface operations; Chang'e 7's first-arrival timeline compresses the window those surface systems were designed to operate in alongside American crew.
Space Research Institute RAS / Roscosmos
Space Research Institute RAS / Roscosmos
The LILEM instrument on Chang'e 7 gives Russia science-cooperation presence at Shackleton's rim with no independent crewed lunar capability on a public timeline. This is Roscosmos's only confirmed path to south-pole science in the current decade.
CNSA / China Manned Space Agency
CNSA / China Manned Space Agency
Chang'e 7 at Wenchang confirmed a second-half 2026 launch for Shackleton rim, 18 to 24 months before any American crewed arrival. The mission carries a Russian LILEM instrument, giving Roscosmos a south-pole science foothold inside China's programme.
Jeremy Hansen / Canadian Space Agency
Jeremy Hansen / Canadian Space Agency
Hansen appeared at the 16 April JSC press conference in his only public moment since splashdown. Canada's Canadarm3 remains without a confirmed deployment host after Gateway cancellation, with CSA maintaining institutional silence on the programme's status.
Airbus Defence and Space
Airbus Defence and Space
Airbus has issued no post-mission ESM performance statement; its press room returned a 404 error on a 14 April check. The only named Airbus engineer quote on the mission appeared in a Nature interview, not a company release.
Daniel Neuenschwander / European Space Agency
Daniel Neuenschwander / European Space Agency
ESA's 11 April statement praised ESM translunar injection precision and omitted the pressurisation valve anomaly; the June 2026 Council is the sole stated review forum. ESM-3 is at KSC without a corrected-baseline disclosure to justify its readiness.