Asteroid 2025 FY6 is the 38th known asteroid to fly past Earth within 1 LD since the start of the year and the 12th so far this month. It is also the second-closest asteroid flyby of the year, after 2025 BP6 on January 26 at 0.025 LD.
It was first observed at the Kitt Peak-Bok, Arizona, at 08:20 UTC on March 23 — approximately 11 hours before the close approach.
The object belongs to the Apollo group of asteroids and has an estimated diameter between 1.7 and 3.9 m (5.6–12.8 feet).
Our collective sky surveys have discovered 715 Near-Earth Objects (NEOs) this year and 180 so far this month, making an all-time total of 38 134.
11 245 of them are larger than 140 m (460 feet) and 158 are larger than 1 km (0.62 miles).
References:
1 Asteroid 2025 FY6 – CNEOS – Accessed March 26, 2025
2 Asteroid 2025 FY6 – MPC – Accessed March 26, 2025