Unverified50% confidenceFactExact time
The atmospheric density at 200 kilometers is approximately one hundred-billionth of that at sea level, yet it is still sufficient to produce significant drag on satellites.
1
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50%
Confidence
Long-term
Relevance
9/26/2026
First Seen
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Related Claims
UnverifiedAt the typical CubeSat orbital altitudes of 200–600 km, atmospheric density is extremely low and fluctuates dramatically with solar activity, geomagnetic indices, and day-night variations.63% similarUnverified10万颗上限建立在卫星已经过变暗处理的前提之上，若卫星维持高反射率，可容忍的安全数量还需大幅缩减62% similarUnverifiedThe free-space path loss for a communications satellite in a 200-kilometer orbit is approximately 8 dB lower than in a 500-kilometer orbit.61% similarUnverifiedT-Satellite卫星运行在约525公里的低轨道上，每颗卫星覆盖地面约100万平方英里的蜂窝服务区58% similar
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