What is the largest asteroid that could hit Earth?

On average, an asteroid the size of Apophis (370 metres) is expected to impact Earth once in about 80,000 years….99942 Apophis.

Discovery
Semi-major axis	0.9227 AU (138.03 Gm)
Eccentricity	0.1914
Orbital period	0.89 yr (323.7 d)
Average orbital speed	30.73 km/s

What are the major impacts of asteroids?

The 7 Worst Immediate Effects of an Asteroid Hitting Earth, Ranked Wind Blast. There’s a reason wind blasts are tied with overpressure as the most gruesome. Overpressure Shock. Overpressure shocks from an impact are tied with the worst of the worst and could lead to the rupture of internal organs, meaning humans could literally explode. Thermal Radiation. Tsunami. Airborne debris. Cratering. Seismic Shaking.

What is the largest meteor impact on Earth?

Impact event. The Chelyabinsk meteor is the largest recorded object to have encountered the Earth since the Tunguska event . The asteroid impact that caused Mistastin crater generated temperatures exceeding 2,370 °C, the highest known to have occurred on the surface of the Earth.

What if the largest asteroid hit Earth?

What would happen if the largest asteroid hit Earth? Much larger objects may impact the solid earth and create a crater. Objects with a diameter less than 1 m (3.3 ft) are called meteoroids and seldom make it to the ground to become meteorites.

What happens if an asteroid hits Earth?

According to abundant geological evidence, an asteroid roughly 10 km (6 miles) across hit Earth about 65 million years ago. This impact made a huge explosion and a crater about 180 km (roughly 110 miles) across. Debris from the explosion was thrown into the atmosphere, severely altering the climate,…