What's New

Bug fix in the "Approaches" tab.

App Description

Check out the next asteroid's close approach to Earth, the moon, and the solar system's other planets. Examine the date and hour, the distance, velocity, and magnitude, and the estimated maximum energy in kilotons that an impact could deliver. Browse the Sentry database, 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. Calculate the mass and energy of an asteroid from the absolute magnitude and approaching speed.

iPhone Screenshots

(click to enlarge)

Asteroid Close Approach screenshot 1 Asteroid Close Approach screenshot 2 Asteroid Close Approach screenshot 3 Asteroid Close Approach screenshot 4 Asteroid Close Approach screenshot 5 Asteroid Close Approach screenshot 6 Asteroid Close Approach screenshot 7

App Changes

  • May 05, 2021 Initial release
  • August 05, 2021 New version 1.0.1
  • August 05, 2021 Price decrease: $2.99 -> $1.99
  • October 05, 2021 New version 1.3
  • September 15, 2023 New version 1.5

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