ISS: 420 tonnes, not 200,000 as claimed

The ISS weighs about 420 tonnes, orbits at 408 km, and travels at 28,000 km/h.

ISS: 420 tonnes, not 200,000 as claimed

Image: letribunaldunet.fr

The International Space Station (ISS) has a mass of approximately 420 tonnes, not 200,000 tonnes as incorrectly stated in the source article. This verified figure comes from NASA and other space agencies. The station orbits Earth at an average altitude of 408 kilometers and travels at a speed of about 28,000 kilometers per hour, completing an orbit every 90 minutes.

The ISS is a collaborative project involving five space agencies: NASA (United States), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada). Construction began in 1998 and has been continuously inhabited since November 2000. The station measures 109 meters long and 73 meters wide, about the size of a football field.

The 200,000 tonne figure in the original article is likely a confusion with the total mass of all spacecraft ever docked or the cumulative weight of materials launched, but the station itself is far lighter. As of 2026, the ISS remains operational, though plans for its deorbit in 2031 have been announced by NASA.

❓ Frequently Asked Questions

What is the actual mass of the ISS?

The ISS has a mass of approximately 420 tonnes, not 200,000 tonnes as sometimes incorrectly reported.

How fast does the ISS travel?

The ISS travels at about 28,000 kilometers per hour, completing an orbit of Earth every 90 minutes.

When will the ISS be deorbited?

NASA has announced plans to deorbit the ISS in 2031, with a controlled reentry over the Pacific Ocean.

📰 Source:
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