• Asteroid 2025 UC11 flew past Earth at 0.01 LD

    ByTeo Blašković

    A newly discovered asteroid designated 2025 UC11 flew past Earth at a distance of 0.017 lunar distances (0.00004 AU / 6 599 km / 4 101 miles) at 12:11 UTC on October 30, 2025. The object was first detected seven hours earlier by the JPL SynTrack Robotic Telescope in Auberry, California.

  • Asteroid 2025 TF flew just 420 km (260 miles) above Antarctica, second-closest flyby on record

    ByTeo Blašković

    A newly-discovered asteroid designated 2025 TF made an extremely close approach to Earth at 00:49 UTC on October 1, 2025, reaching a nominal distance of 0.02 LD (0.00005 AU / 6 790 km / 4 220 miles) from Earth’s center — equivalent to about 419 km (260 miles) above the surface over Antarctica. At this distance, it is now classified as the second-closest asteroid flyby ever recorded.

  • Asteroid 2025 RL2 to pass Earth at 0.5 lunar distances on September 19

    ByTeo Blašković

    A newly discovered asteroid designated 2025 RL2 is expected to fly past Earth at a distance of 0.56 lunar distances (0.00145 AU / 216 563 km / 134 566 miles) at around 08:57 UTC on September 19, 2025. The object has an absolute magnitude (H) of 26, with an estimated diameter between 17 and 37 m (56 and 121 feet), comparable in size to the Chelyabinsk meteor.

  • Asteroid 2025 QO7 to fly past Earth at 0.7 LD on August 31

    ByTeo Blašković

    A newly discovered asteroid designated 2025 QO7 will fly past Earth at a distance of 0.7 LD (0.00182 AU / 271 500 km / 168 700 miles) from the center of our planet at around 14:09 UTC (±00:55) on August 31, 2025. The flyby will take place at a relative velocity of 8.17 km/s.