Asteroid Characteristics

Size and Composition Size Size and Speed Asteroid Moons Didymos System Binary Systems Orbital Elements Size and Mass Size Measurement Size and Impact Potential

6 ARTICLES

2w ago

NASA Monitors Five Aircraft-Sized Asteroids After Exceptionally Close 2025 OS Flyby

The agency’s observatory networks will track objects measuring 110 to 210 feet across from July 26 through early August, refining trajectory models to update planetary defense protocols

3 ARTICLES

3mo ago

NASA Captures Detailed Images of Two Asteroids During Close Flybys

Asteroid Characteristics

NASA Monitors Five Aircraft-Sized Asteroids After Exceptionally Close 2025 OS Flyby

Asteroid 2002 JX8 Safely Completes Close Flyby of Earth

Asteroid 2024 YR4 Poses Small Risk of Lunar Impact

Asteroid 2024 YR4 Ruled Out as Earth Threat, Moon Impact Risk Rises

Asteroid 2024 YR4 No Longer Poses a Threat to Earth

Asteroid 2024 YR4 Poses 1-in-83 Risk of Earth Impact in 2032

Gaia Telescope Uncovers Hidden Moons Around Hundreds of Asteroids

NASA Discovers Moon Orbiting 'Planet Killer' Asteroid During Close Flyby

NASA Captures Detailed Images of Two Asteroids During Close Flybys