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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

     NASA's Near-Earth Object (NEO) web-site. ... (astronomical...

   • 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. en.wikipedia.org › wiki › Near-Earth_objectNear-Earth object - Wikipedia

   en.wikipedia.org › wiki › Near-Earth_object

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   In January 2016, NASA announced the creation of the Planetary Defense Coordination Office (PDCO) to track NEOs larger than about 30–50 m (98–164 ft) in diameter and coordinate an effective threat response and mitigation effort.

3. 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. Among the quantities in the table is the maximum brightness reached by the object at the close approach, useful to estimate its observability during ...

4. 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.

5. science.nasa.gov › planetary-defense-neooNear-Earth Observations (NEO) Program - NASA Science

   science.nasa.gov › planetary-defense-neoo

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   The Near-Earth Object (NEO) Observations Program is a key element of NASA’s Planetary Defense Program, funding efforts to search for undiscovered NEOs using observatories around the world, calculate and refine NEO orbits, determine NEO physical properties and composition, and study NEO deflection and mitigation technologies.

6. 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.

7. www.jpl.nasa.gov › missions › near-earth-object-surveyorNear-Earth Object Surveyor - NASA Jet Propulsion Laboratory (JPL)

   www.jpl.nasa.gov › missions › near-earth-object-surveyor

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   The Near-Earth Object Surveyor space telescope (NEO Surveyor) is designed to help advance NASA’s planetary defense efforts to discover and characterize most of the potentially hazardous asteroids and comets that come within 30 million miles of Earth’s orbit.