Artemis II Updated Time-line (April 1 22:24 UTC launch)

From: Jon Giorgini via Seesat-l <seesat-l_at_lists.seesatmail.org>
Date: Tue, 31 Mar 2026 10:57:12 -0700
The table of events for Artemis II in Horizons has been updated using
navigation-provided data to match the April 1 22:24 UTC open-window
pre-launch trajectory (instead of the stale press kit from February).

The most notable update might be TLI start at 1/01:08 MET, which is
23:32 UTC for nominal launch.

This places the nominally 8-minute burn entirely before Earth shadow
entrance 20 minutes later.

Other event times were adjusted a few minutes here and there.

This is not a change in the pre-launch trajectory, only conforming the
table of events Horizons shows to match it.

Jon Giorgini
Senior Analyst
Solar System Dynamics Group (324H)
Navigation and Mission Design Section
Jet Propulsion Laboratory
Pasadena, CA USA

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Received on Tue Mar 31 2026 - 10:57:21 UTC

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