Analyse @esaoperations's tweets
@esaoperations
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What's an asteroid "precovery"?☄️?
Calculating an asteroid's orbit, and so the risk it poses to Earth, requires measuring its position on multiple occasions. For newly discovered asteroids, only a few days or weeks of data are available, so just a preliminary path can be traced https://t.co/BFc6BdwWtc
Calculating an asteroid's orbit, and so the risk it poses to Earth, requires measuring its position on multiple occasions. For newly discovered asteroids, only a few days or weeks of data are available, so just a preliminary path can be traced https://t.co/BFc6BdwWtc