According to the official announcement, the spacecraft will be facing a target asteroid, Dimorphos, at 02:14 on Tuesday, September 27, Moscow time, live for public viewing, and live DART will begin an hour before the NASA YouTube event.
Although Dimorphos does not pose a threat to the Earth, the test will allow NASA to assess whether a spaceship strike can be used to alter the trajectory of a hypothetical, dangerous asteroid on the planet's collision course.
Even a small change in trajectory will significantly change the path of the asteroid within months and years, so only a relatively small push is required. However, the DART spacecraft is moving towards Dimorphos at a speed of 24,000 km/h. This means that the impact is likely to be an exciting sight. Although people can only see the event from Earth, 11 million km from the epicenter.
The spaceship DART was launched on 24 November 2021 by the SpaceX Falcon launcher, which was designed to test the machine's "kinetic dungeon", a re-orbiting of the debris, so the project manager of AIM, ESA, Ian Carnell, called it a "Kinetic impactor" about a month later, DART sent the first images from space.