Are the Artemis Accords legally binding?

No. The Accords are political commitments, not treaties. They do not create new international law. However, they establish shared norms and expectations among signatory nations, which can influence behaviour and form the basis for future binding agreements. Each signatory implements the principles through its own national legislation.

Why haven't Russia and China signed?

Russia and China have characterised the Accords as US-centric and have raised concerns about the resource extraction provisions. Both nations are instead pursuing the International Lunar Research Station (ILRS), a parallel lunar programme with its own cooperation framework. This has created a de facto split in international space exploration into two competing blocs.

What Are the Artemis Accords? Lunar Exploration Agreements

📘 Definition

The Artemis Accords, introduced by NASA and the US State Department in October 2020, are non-binding multilateral arrangements that establish shared principles for civil space exploration. Named after NASA's Artemis programme (which aims to return humans to the Moon), the Accords cover: peaceful use of space, transparency in operations, interoperability of systems, emergency assistance, registration of space objects, release of scientific data, protecting heritage sites (like Apollo landing locations), responsible extraction of space resources, preventing harmful contamination, and sustainable debris management. The Accords complement the Outer Space Treaty but go further on resource extraction — affirming that the extraction and use of space resources can be conducted in a manner consistent with the Treaty. As of 2026, over 45 nations have signed.

October 2020

Introduced

45+ nations (as of 2026)

Signatories

Non-binding political commitment

Legal Status

Space resource extraction rights

Key Affirmation

Understanding Artemis Accords

Core Principles

The Accords establish ten sections of principles: (1) peaceful purposes, (2) transparency, (3) interoperability (including common docking standards), (4) emergency assistance, (5) registration of space objects per the Registration Convention, (6) release of scientific data, (7) preservation of outer space heritage (protecting Apollo sites, for example), (8) space resources — affirming extraction is not inherently prohibited by international law, (9) deconfliction of activities (establishing "safety zones" around operations), and (10) orbital debris mitigation consistent with existing guidelines.

Resource Extraction Controversy

The most debated aspect of the Accords is Section 10 on space resources. The Outer Space Treaty states that outer space "is not subject to national appropriation" — but the Accords argue that extracting and using resources (like water ice or regolith) is distinct from claiming sovereignty over territory. Some nations, notably Russia and China, have not signed and have criticised this interpretation, arguing it could lead to de facto territorial claims through exclusive resource zones. This legal tension will intensify as lunar surface operations begin under Artemis.

Signatory Nations

The Accords have been signed by a broad coalition including: the United States, United Kingdom, Australia, Canada, Japan, South Korea, Italy, Luxembourg, the UAE, Brazil, India, and many others. Notably absent are Russia and China, who are pursuing their own International Lunar Research Station (ILRS) programme with a separate partnership framework.

Understanding Artemis Accords

Core Principles

Resource Extraction Controversy

Signatory Nations

Frequently Asked Questions