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11 votes

Could 99942 Apophis break up due to Earth's gravity during 2029 flyby?

Unlikely. An asteroid can break up due to tidal forces if it approaches a planet closer than the Roche limit. The exact size of the Roche limit depends on the density of the object and whether it is ...
James K's user avatar
  • 123k
4 votes

Appropriate NEO databases for preliminary orbit determination simulations

The Minor Planet Center (MPC) is the officially designated clearing house for all asteroid observations, including Near-Earth Objects (NEOs). Their database has the records of all observations for all ...
astrosnapper's user avatar
  • 8,357

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