Important space numbers to check
Number of active satellites in orbit:
14,200
As of September 20, 2024 | Total satellite number is 16,910 (16% are dead but still in orbit)
SpaceX's Falcon 9 same booster flight record:
33
Same booster turnaround time record between two launches: 9 days and 3 hours
Space population record:
20
Maximum number of people in space at the same time (May 25, 2021)
Number of space travelers:
791
People that reached at least 80km in altitude
Confirmed Exoplanets:
6107
Neptune-like: 2064 | Gas Giant: 2042 | Super Earth: 1772 | Terrestrial: 222 | Unknown: 7
Moon distance from Earth:
384,400 km
Average orbital distance
Number of people that walked on the Moon:
12
In 6 Apollo missions between 1969-1972
Successful Mars rover missions:
6
Sojourner (1997), Spirit (2004), Opportunity (2004), Curiosity (2012), Perseverance and Zhurong (2021)