About 15900
About how many satellites in Earth orbit are still functioning (Oct. 2026)?
About 19,440 of the satellites placed in orbit are still in space.
Source: ESA Space Debris Office, Space Environment Statistics sdup.esoc.esa.int
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About how many space objects are regularly tracked and catalogued by space surveillance networks (Oct. 2026)?
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About 28270
About how many satellites have rocket launches placed into Earth orbit since 1957?
They were carried by about 7,370 rocket launches, excluding failures.
Source: ESA Space Debris Office, Space Environment Statistics sdup.esoc.esa.int
6,768
Of 7,560 operating satellites in the UCS database (May 2023), how many were in low Earth orbit (LEO)?
590 were in geosynchronous orbit and 143 in medium Earth orbit.
Source: Union of Concerned Scientists, UCS Satellite Database (2023) ucs.org
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How does SatellitePoll.com work?
Each question asks you to guess a real number about satellites and space debris. After you answer you see how everyone else guessed, then the real figure and where it comes from.
How is the daily round scored?
Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.
Where do the numbers come from?
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