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valy

24 Sep 2020 23:52



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A trecut la 22 000 km estimarea primara a fost 27 000 km Eroare +/- 20%, in cazul acesta aproape raza Pamantului.

These asteroids are monitored very closely and, thanks to high precision position observations and celestial mechanic computations, their orbit is usually known with a high level of precision
https://theskylive.com/will-asteroid-2020sw-impact-earth