Space rock with an average diameter of 49 metres is expected to have 10 approaches to Earth, the closest in February 2046.NASA's Planetary Defense Coordination Office says it has been tracking a new asteroid dubbed 2023 DW that has a very small chance of affecting Earth on Valentine's Day in 2046.According to projections by the European Space Agency, the asteroid has a one in 625 chance of colliding with Earth, while NASA's Jet Propulsion Laboratory's Sentry system estimates a chance of one in 560.
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