← SatelliteSurvey.com

Science · Facts & sources

Satellite facts & stats

4 sourced facts about satellites, each with the context behind the number. 4 more are in today's round and appear here after it closes.

Play today's round

Going deeper

By 2021, roughly how many dedicated Earth-observation satellites were operating?

Answerover 950

Earth-observation satellites, used for weather, farming and disaster response, numbered in the hundreds by 2021.

Source: Wikipedia, Satellite (2021) en.wikipedia.org

As of 2018, roughly what share of Earth-orbiting satellites sat in either low Earth orbit or geostationary orbit?

Answerabout 90%

The vast majority of satellites cluster into just two orbital zones because they're the most useful for their jobs.

Source: Wikipedia, Satellite (2018) en.wikipedia.org

Expert level

As of mid-2025, about how many satellites did Russia operate?

Answerabout 1,559

Russia operates the second-largest satellite fleet, though it's still far smaller than the U.S. total.

Source: Wikipedia, Satellite (2025) en.wikipedia.org

As of 2021, which company operated the largest fleet of Earth-observation satellites?

AnswerPlanet Labs

Planet Labs built its business around operating more small imaging satellites than any other commercial provider.

Source: Wikipedia, Satellite (2021) en.wikipedia.org

Think you'd have guessed them?Today's round is four stats like these plus one opinion poll. Your streak and level follow you to every site.Play today's round