An asteroid is a minor planet —an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter …

Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.

May 4, 2026 · Asteroid, any of a host of small bodies, about 1,000 km (600 miles) or less in diameter, that orbit the Sun primarily between the orbits of Mars and Jupiter in a nearly flat ring called the …

7 hours ago · Discovered a few days ago, the asteroid will soon be visible in the sky, reaching magnitude 11.5 on its very close approach to the Earth.

May 4, 2026 · A potentially hazardous asteroid named Apophis will fly unusually close to Earth on April 13, 2029, but NASA says there is no risk of impact.

4 days ago · Ramses will launch in 2028 and rendezvous with the asteroid (99942) Apophis ahead of its exceptionally rare, close flyby of Earth in April 2029.

Dec 10, 2024 · Discover the rocky objects orbiting our sun with the latest asteroid news, features and articles.

1 day ago · A famously unlucky date is getting a cosmic twist.NASA says the asteroid Apophis will safely pass close to Earth on Friday, April 13, 2029, coming about 20,000 miles from the planet's …

Jun 23, 2025 · Asteroids can give scientists key insights into the formation of our solar system and the Milky Way. They contain materials that predate the formation of our solar system. Earlier this year, a …

May 5, 2025 · Asteroids, sometimes called minor planets, are rocky remnants left over from the formation of our solar system about 4.6 billion years ago. For the most up to date count of asteroids …