Most of the Starlink constellation is at 500km and higher, so a much longer lifetime.
... it only takes 1 collision to cause a chain reaction when we have 40k satellites, much less 1m.
... it only takes 1 collision to cause a chain reaction when we have 40k satellites, much less 1m.
[0] www.businessinsider.com/spacex-starlink-internet-satellites-percent-failure-rate-space-debris-risk-2020-10%
300 km 1 month
400 km 1 year
500 km 10 years
700 km 100 years
900 km 1000 years
Their satellites are 550km, 1000km, and higher.