The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Halloween, according to some, is a time to be afraid, but no one need fear asteroid 2015 TB145, a 400 m-class near-Earth object (NEO) that will pass safely by at 17:00 GMT (18:00 CET) on 31 October. The space rock was discovered only on 10 October 2015 by the Pan-STARRS survey in Hawaii. On 11 October, just 12 hours after its discovery, the object was first confirmed by ESA’s NEO Coordination Centre using observations from the Agency’s Optical Ground Station, Tenerife, Spain.