Posts by 

Eddie Irizarry

Famous Comet 67P/C-G closest to Earth in November

Famous comet 67P/C-G will sweep closest to Earth in November. Finder charts help you locate this comet before it leaves for another 193 years.

Asteroid 2021 SG came from the sun’s direction

Asteroid 2021 SG - 4 times the diameter of 2013's Chelyabinsk meteor - passed near Earth without being previously detected on September 16, 2021.

Small asteroid skimmed close to Earth, hours after discovery

A small asteroid skimmed close to Earth on September 7, 2021. Asteroid 2021 RS2 passed less than 10,000 miles (about 15,000 km) away.

1,001st near-Earth asteroid glimpsed with radar

The 1,001st near-Earth asteroid observed with planetary radar is 2016 AJ193. Scientists caught it with NASA's Goldstone antenna in late August 2021.

Heads up! Close asteroid pass August 21

Close asteroid pass August 21, 2021. This fast-moving asteroid is designed 2016 AJ193. It's currently rushing inward toward the sun. It will not strike Earth.

Comet C/2021 O3 approaching, may brighten in 2022

Newly discovered comet C/2021 O3 (PanSTARRS) will sweep near the sun and Earth in April and May of 2022. It might become visible to the eye. Charts here.

Heads up! Small asteroid to pass very close on April 12

Small asteroid 2021 GW4 will pass extremely close to Earth on Monday, April 12, 2021. It'll pass just 12,313 miles (19,816 km) from Earth's surface, or about 5% the Earth-moon distance.

Earth is safe from asteroid Apophis for the next 100 years

Apophis' flyby in early March 2021 enabled astronomers to conclude there's no chance this asteroid will strike Earth anytime soon. "A 2068 impact is not in the realm of possibility anymore," one scientist said, "and our calculations don't show any impact risk for at least the next 100 years."

2001 FO32: Big asteroid sweeps closest this weekend

When the asteroid labeled 2001 FO32 sweeps closest to Earth on March 21, 2021, it'll be moving at such a fast pace that observers using telescopes might be able to detect its motion - its drift in front of the stars - in real time. Charts and info here.

Say goodbye to Earth’s mini-moon on February 1 and 2

In November, a new mini-moon began orbiting Earth. NASA later confirmed it's a lost-and-found 60s-era rocket from the Surveyor 2 moon mission, launched more than 50 years ago. Now the object - SO 2020 - is coming close again for one last time. Here's how to see it!