Potentially Hazardous Asteroids (PHAs) are space rocks larger than approximately 100m that can come closer to Earth than 0.05 AU (7479894 km).
On March 4, 2026 there were 2349 potentially hazardous asteroids.
On March 4, 2016 there were 1682 potentially hazardous asteroids.
On 4 Mar 2006 there were 776 known Potentially Hazardous Asteroids.
Source: SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
On March 4, 2026 there were 2349 potentially hazardous asteroids.
On March 4, 2016 there were 1682 potentially hazardous asteroids.
On 4 Mar 2006 there were 776 known Potentially Hazardous Asteroids.
Source: SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids
