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

    • Tutorial

      Tutorial - NEO Earth Close Approaches - NASA

    • Introduction

      Introduction - NEO Earth Close Approaches - NASA

    • 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. Welcome to NASA Earth Observations, where you can browse and download imagery of satellite data from NASAs Earth Observing System. Over 50 different global datasets are represented with daily, weekly, and monthly snapshots, and images are available in a variety of formats.

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

  4. 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.

  5. 30 sie 2024 · Unfortunately, due to new NASA web requirements and diminishing resources, the NEO analysis tool will be removed from the site effective June 1, 2023. We apologize for the inconvenience this may cause. I encourage you to look at some other of our analysis-related blog posts to learn how to use NEO imagery in QGIS and Excel.

  6. 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.

  7. The JPL Center for NEO Studies (CNEOS) computes high-precision orbits for Near-Earth Objects (NEOs) in support of NASA’s Planetary Defense Coordination Office.

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