Unverified50% confidenceFactExact time
在550公里高度大气阻力可使碎片约5年内自然脱轨，而1200公里以上高度碎片可在轨存留数百年
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
The 100,000-Satellite Limit: Why Astronomers Are Drawing a Line in Earth's Orbit
hackernewshackernews7/4/2026
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