Planetary Defense Conference Exercise

Last update: 2026-09-18 10:00 UTC

Planetary Defence involves a collaborative effort among various organizations, including the European Space Agency (ESA), NASA (including the Center for Near Earth Object Studies, CNEOS), JAXA, ASI and others. These entities work together to protect Earth from potential asteroid and comet threats through a series of coordinated exercises centered around hypothetical impact scenarios. These exercises enhance their preparedness and response strategies.

Below is a list of notable exercises conducted by these organizations, highlighting their ongoing commitment to safeguarding our planet from celestial hazards.