SLS Block 1 | Artemis II

Mission Status

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Weather Probability 90% GO

Mission Updates

Apr 2, 02:01 AM Cosmic_Penguin

Launch success with Orion separation.

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Apr 1, 10:49 PM Cosmic_Penguin

Liftoff.

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Apr 1, 10:25 PM Cosmic_Penguin

New T-0.

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Apr 1, 10:15 PM Cosmic_Penguin

Extending hold at T-10 minutes.

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Apr 1, 09:33 PM Cosmic_Penguin

Updated launch weather.

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Apr 1, 04:58 PM LL2

Official Webcast by NASA has started

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Apr 1, 03:05 PM Cosmic_Penguin

Updated launch weather.

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Mar 30, 08:46 PM Cosmic_Penguin

T-0 is accurate to the second.

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Mar 29, 03:08 PM Cosmic_Penguin

Updated launch weather, 80% GO.

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Mar 12, 07:06 PM Cosmic_Penguin

Targeting April 1st.

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Feb 21, 05:35 PM Cosmic_Penguin

Delayed to NET April due to upper stage helium leak issue.

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Feb 16, 09:52 PM Cosmic_Penguin

Reverted back to NET March 6 EST, to be confirmed.

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Feb 6, 07:13 PM Cosmic_Penguin

Moved back up to NET March 3, to be confirmed (see also https://x.com/nasaspaceflight/status/2019805496836767830.)

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Feb 3, 07:03 AM Cosmic_Penguin

Delayed to NET March, to be confirmed pending additional tests.

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Jan 30, 01:14 PM Cosmic_Penguin

Delayed to NET February 8 EST, to be confirmed.

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Jan 10, 12:21 AM Cosmic_Penguin

Refined launch window.

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Jan 2, 10:07 PM Cosmic_Penguin

Updated approximate launch time.

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Sep 23, 11:28 PM Cosmic_Penguin

Added launch window.

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Sep 23, 02:39 PM Cosmic_Penguin

NET February 5.

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Jul 31, 11:05 PM Cosmic_Penguin

Moved up to NET February.

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Dec 5, 06:18 PM Cosmic_Penguin

NET April 2026.

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Jan 9, 06:53 PM Cosmic_Penguin

NET September 2025.

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Mar 7, 05:29 PM Nosu

NET November 2024

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Mission Details

Artemis II is the first crewed mission as part of the Artemis program. Artemis II will send a crew of 4 - 3 Americans and 1 Canadian around the moon and return them back to Earth. The mission will test the core systems of NASA's Orion spacecraft including the critical life support system, among other systems which could not be tested during Artemis I due to the lack of crew onboard.

Mission Type Human Exploration
Orbit Lunar flyby
Launch Window 10:24 PM - 12:24 AM

Rocket Configuration

Name Space Launch System Block 1
Manufacturer National Aeronautics and Space Administration
Height 111 m
Diameter 8.4 m
Maiden Flight 2022-11-16
Success Rate 2/2 (100%)

The Space Launch System (SLS) is an American Space Shuttle-derived heavy expendable launch vehicle. It is part of NASA's deep space exploration plans including as the main launch vehicle of the Artemis program. SLS follows the cancellation of the Constellation program, and is to replace the retired Space Shuttle.