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1. cneos.jpl.nasa.gov › caNEO Earth Close Approaches - NASA

   cneos.jpl.nasa.gov › ca

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   The following table shows close approaches to the Earth by near-Earth objects (NEOs) limited as selected in the “Table Settings” below. Data are not available prior to 1900 A.D. nor after 2200 A.D. Data are further limited to encounters with reasonably low uncertainty.

   • Tutorial

     Tutorial - NEO Earth Close Approaches - NASA

   • Introduction

     As they orbit the Sun, Near-Earth Objects occasionally...

   • Comets

     *The miss distance is uncertain because this comet’s orbit...

   • Uncertainties

     This page describes the limits placed on the Near Earth...

   • Glossary

     au (Astronomical Unit) Definition. The astronomical unit...

   • SB Close Approach

     SBDB Close-Approach Data API. Version: 1.5 (2023 March)...

   • Related Links

     Related Links - NEO Earth Close Approaches - NASA

   • Site Map

     Site Map - NEO Earth Close Approaches - NASA

2. cneos.jpl.nasa.gov › sentrySentry: Earth Impact Monitoring - NASA

   cneos.jpl.nasa.gov › sentry

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   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.

3. cneos.jpl.nasa.govNASA - Center for NEO Studies

   cneos.jpl.nasa.gov

   NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.

4. cneos.jpl.nasa.gov › ca › introClose Approaches - NASA

   cneos.jpl.nasa.gov › ca › intro

   As they orbit the Sun, Near-Earth Objects occasionally approach close to Earth. CNEOS calculates the motion of all NEOs forwards to 2200 A.D. and backwards to 1900 A.D.,and determines the times and distances of the Earth close approaches. The results are tabulated here.

5. neo.ssa.esa.int › close-approachesClose Approaches List - NEO

   neo.ssa.esa.int › close-approaches

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   11 paź 2024 · Every month dozens of NEAs come within 0.05 au of Earth. The following table presents the list of these forthcoming and recent close approaches, with details concerning the encounter circumstances.

6. neo.ssa.esa.int › risk-listRisk List - NEO

   neo.ssa.esa.int › risk-list

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   3 dni temu · Current number of NEAs in risk list:1676. The Risk List is a catalogue of all objects for which a non-zero impact probability has been computed. Each entry contains details on the particular Earth approach which poses the highest risk of impact (as expressed by the Palermo Scale).

7. cneos.jpl.nasa.gov › stats › totalsDiscovery Statistics - NASA

   cneos.jpl.nasa.gov › stats › totals

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   The following chart shows the cumulative number of known Near-Earth Asteroids (NEAs) versus time. Totals are shown for NEAs of all sizes, those NEAs larger than ~140m in size, and those larger than ~1km in size.