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Hubble's age tested by 200,000 cycles
The Hubble Space Telescope has surpassed its expected operational lifespan by more than double, completing its 200,000th orbit on September 19, 2026, despite being designed for just 15 years. Since its launch in 1990 aboard the Space Shuttle Discovery, Hubble has traveled over 8 billion kilometers and conducted more than 1.7 million observations of the universe, orbiting approximately 483 kilometers above Earth at a speed of up to 27,000 kilometers per hour. It completes an orbit around the Earth every 95 minutes. It is expected to continue producing scientific results over the next decade, although its orbit is gradually decreasing, and it is believed that it will not re-enter the Earth's atmosphere until the mid-2030s.
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