In an exciting development for planetary safety, the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) have come together for the Rapid Apophis Mission for Space Safety (Ramses). Signed on May 7, 2026, this agreement marks a significant milestone in our efforts to understand and protect Earth from asteroid threats.
The Ramses mission is set to launch in 2028, aiming to meet the near-Earth asteroid Apophis in April 2029. At that time, Apophis will pass just 32,000 kilometers from Earth—much closer than the Moon—giving scientists a rare chance to study it up close. Understanding Apophis is crucial, as it will help in shaping strategies to defend our planet against future asteroid risks.
This collaboration symbolizes a new era in planetary defense. ESA Director General Josef Aschbacher emphasized the global nature of this responsibility, stating, “Planetary defense is, by definition, a global responsibility.” This partnership is crucial not only for its immediate goals but also for laying the groundwork for future missions, showcasing the importance of international teamwork in facing complex space challenges.
Dr. Hiroshi Yamakawa, JAXA President, expressed gratitude toward ESA and its member states, highlighting the hope that this cooperation will boost international efforts in planetary defense.
Apophis, a 375-meter-wide asteroid, will offer scientists invaluable insights about large asteroids passing near Earth. Although there’s no risk of impact, the event is rare, occurring only once every 5,000 to 10,000 years for such size asteroids. During its close approach, Apophis will change shape and motion under Earth’s gravity, allowing scientists to capture essential data about its structure.
ESA will take the lead in designing and operating the spacecraft, while JAXA will contribute lightweight solar arrays and an infrared imager. ESA’s Near-Earth Object Coordination Centre will also play a key role in refining Apophis’s orbital predictions prior to the flyby.
This mission emphasizes the importance of international cooperation in planetary defense. As Aschbacher noted, collaboration is vital in complex environments. The Ramses mission demonstrates how countries can unite to protect Earth against existential threats like asteroid impacts.
Looking ahead, the Ramses mission will enhance our ability to predict and potentially deflect hazardous asteroids. The insights gained will not only inform future missions but also contribute to ESA’s broader Space Safety Programme, which is focused on tracking and mitigating risks from near-Earth objects.
The Ramses mission stands as a vital step toward securing our planet’s future in an era where the need for effective planetary defense is ever more pressing.

