Asteroid Watch - NASA Jet Propulsion Laboratory (JPL)
Did you ever wonder how NASA spots asteroids that maybe getting too close to Earth for comfort? Watch and learn. Find out more about NASA finds, studies and tracks near-Earth objects by visiting https://www.nasa.gov/planetarydefense.
Next Five Asteroid Approaches - NASA Jet Propulsion Laboratory …
5 天之前 · The Asteroid Watch dashboard tracks asteroids and comets that will make relatively close approaches to Earth. The dashboard displays the date of closest approach, approximate object diameter, relative size and distance from Earth for each encounter.
Eyes on Asteroids | NASA Jet Propulsion Laboratory (JPL)
Asteroid Watch. Next Five Asteroid Approaches. Eyes on Asteroids. Fast Facts. Eyes on Asteroids. See thousands of asteroids and comets in real-time, see the next five close approaches to Earth, and explore past, present and future missions to asteroids and comets.
Sentry: Earth Impact Monitoring - NASA
Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over the next 100 years. Whenever a potential impact is detected it will be analyzed and the results immediately published here, except in unusual cases where we seek independent ...
NASA’s ‘Eyes on Asteroids’ Reveals Our Near-Earth Object …
2021年12月10日 · Fully interactive, Eyes on Asteroids uses science data to help visualize asteroid and comet orbits around the Sun. Zoom in to travel along with your favorite spacecraft as they explore these fascinating near-Earth objects in beautiful 3D.
NEO Earth Close Approaches - NASA
Asteroid absolute magnitude (in general, smaller H implies larger asteroid diameter). Undefined for comets. Diameter Diameter value when known or a range (min - max) estimated using the asteroid's absolute magnitude (H) and limiting albedos of 0.25 and 0.05. Rarity
Center for NEO Studies
CNEOS is NASA's center for computing asteroid and comet orbits and their odds of Earth impact.
Fast Facts | NASA Jet Propulsion Laboratory (JPL)
A leftover piece of meteoroid or asteroid that survives its passage through the Earth's atmosphere and lands on Earth's surface. Asteroids, comets, and meteors: what's the difference? These space rocks each have their own unique attributes.
Small-Body Database Lookup - NASA
For example, to display information about asteroid 433 Eros, enter either 433 or eros, not both (names are not case-sensitive). This tool provides access to data related to the user-specified asteroid or comet.
NASA’s Planetary Radar Tracks Two Large Asteroid Close …
2024年7月3日 · These seven radar observations by the Deep Space Network’s Goldstone Solar System Radar shows the mile-wide asteroid 2011 UL21 during its June 27 close approach with Earth from about 4 million miles away. The asteroid and its small moon (a bright dot at the bottom of the image) are circled in white.
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