9.8-foot asteroid zoomed past Earth in surprise close encounter; astronomers spotted it hours later | Hindustan Times Hindustan TimesThat was close! Huge asteroid comes within 300 miles of hitting Earth – and NASA only noticed AFTER the close encounter Daily MailHuge asteroid comes within 300 miles of hitting Earth – and NASA only noticed AFTER the encounter MSNSurprise asteroid flies by Earth at only 250 miles away (video) SpaceAsteroid 2025 TF flew just 420 km (260 miles) above Antarctica, second-closest flyby on record The Watchers – Watching the world evolve and transform