Artemis 2

Artemis 2
NASA HQ PHOTO · Public domain · source
Name	Artemis 2
Mission type	Crewed lunar flyby
Operator	National Aeronautics and Space Administration
Mission duration	10–21 days (planned)
Spacecraft	Orion spacecraft (Crewed)
Launch vehicle	Space Launch System
Launch site	Kennedy Space Center
Planned launch	2024–2026 (planned)
Crew	4 (planned)

Artemis 2 is the planned first crewed mission of the Orion spacecraft and the second flight of the Space Launch System. It will carry a four-person crew on a multi-day lunar flyby to validate life-support, avionics, and mission operations beyond Low Earth Orbit. The mission is a central step in the Artemis program that follows the uncrewed Artemis 1 test and precedes the crewed lunar landing aims culminating in Artemis 3.

Overview

Artemis 2 will use the Block 1 configuration of the Space Launch System to launch Orion from Kennedy Space Center and perform a translunar injection toward the vicinity of the Moon. The flight intends to demonstrate crewed spacecraft systems during cislunar transit, validate rendezvous and communications with assets such as Deep Space Network ground stations, and return astronauts safely to the Pacific Ocean splashdown zone. This mission forms a bridge between the test objectives of Artemis 1 and the surface objectives of later missions involving Human Landing System elements and Lunar Gateway operations.

Mission Objectives

Primary objectives include verifying life-support and habitation for long-duration cislunar missions, demonstrating crewed navigation and guidance using the European Space Agency-provided services and the Johnson Space Center mission control procedures, and confirming reentry profiles for high-velocity Earth return developed with the Aerospace Safety Advisory Panel. Secondary objectives are to exercise international partner interfaces exemplified by Canadian Space Agency hardware and to qualify systems for integration with Commercial Crew Program standards. The mission will also test contingency operations coordinated with the United States Space Force and recovery forces drawn from United States Navy assets.

Spacecraft and Crew

The flight hardware centers on the Orion spacecraft built by Lockheed Martin with avionics and European Service Module contributions from European Space Agency contractors including Airbus Defence and Space. Propulsion staging relies on the Space Launch System core stage assembled by Boeing and solid rocket boosters provided by Northrop Grumman. Crew training is conducted at Johnson Space Center and uses simulators and facilities at Neutral Buoyancy Laboratory. The four-person crew (nominees announced by NASA Administrator and confirmed via agency selections) will include astronauts with prior flight experience from Space Shuttle missions, International Space Station increments, and commercial missions from SpaceX or Boeing under the Commercial Crew Program.

Flight Profile and Trajectory

After liftoff from Launch Complex 39B at Kennedy Space Center, the SLS will insert Orion into low Earth orbit before a trans-lunar injection burn to place the stack on a free-return or phasing trajectory around the Moon. The mission will use a lunar gravity assist and a distant retrograde or near-rectilinear path depending on mission rules set by Mission Control Center variants in Houston, Texas and guidance updates from Jet Propulsion Laboratory. The return leg involves a high-energy Earth reentry trajectory, with reentry interface and parachute deployment procedures tested to support later Artemis landings and collaborations with Federal Aviation Administration recovery certifications.

Ground and Mission Operations

Mission operations will be coordinated from Christopher C. Kraft Jr. Mission Control Center at Johnson Space Center, integrating telemetry from the Deep Space Network, tracking from Kennedy Space Center radars, and contingency support from United States Navy and United States Air Force recovery units. Flight rules adopt standards from previous human programs including Apollo program and Space Shuttle operations and have been informed by reviews from the National Academies and the Government Accountability Office. International partner communications will flow through European Space Agency mission support centers and national space agencies including the Canadian Space Agency and Japan Aerospace Exploration Agency where interoperability testing has been performed.

Science and Technology Demonstrations

Although primarily a systems demonstration, Artemis 2 will carry technology and biomedical investigations similar to those flown on Artemis 1 and earlier missions such as Apollo 8. Biomedical experiments will assess spaceflight effects on human physiology developed with institutions like Mayo Clinic and Massachusetts Institute of Technology, while engineering payloads will test radiation dosimetry and avionics resilience developed with Los Alamos National Laboratory and Sandia National Laboratories. Demonstrations include communications relay tests leveraging Lunar Reconnaissance Orbiter heritage, and navigation experiments informed by Global Positioning System augmentation research.

Program Context and Legacy

Artemis 2 occupies a critical position in the Artemis program roadmap, linking the uncrewed validation of Artemis 1 with the planned crewed landing of Artemis 3 that aims to return humans to the lunar surface and to establish longer-term operations with the Lunar Gateway. The mission is part of a broader U.S. civil space strategy articulated alongside partnerships with European Space Agency, Canadian Space Agency, and Japan Aerospace Exploration Agency and collaborations with commercial providers including SpaceX and Blue Origin. Success will influence future deep space architecture involving sustained lunar presence, resource prospecting near Lunar South Pole, and eventual crewed missions to Mars advocated by institutions such as NASA and the National Academies of Sciences, Engineering, and Medicine.

Category:Artemis program Category:Crewed spaceflight