Diameter5.8 tenths m
3.9 millionthsBig Island lengths
5.85Chicken wing lengths
Photo from Wikimedia Commons
Sputnik 1
The first artificial satellite to orbit Earth/Space Missions
Launched by the Soviet Union on October 4, 1957, Sputnik 1 was a polished metal sphere that orbited Earth for three months. Its radio signal was detectable by amateur radio operators worldwide. The satellite burned up on re-entry in January 1958 after completing about 1,440 orbits.
Measurements
Mass83.6 kg
5.2 thousandthsFire trucks
2.8 thousandthsLoaded cement mixers
Antenna length (each)2.9 m
121 quadrillionthsVoyager 1 distances
3.22Arming swords
Orbital altitude (perigee)215,000 m
43,000SUV lengths
1.1 millionNo. 2 pencils
86,000Sunflower heights
Orbital period5,760 s
6.4 tenthsMarvel movies
192Elevator ride durations
1.7 octillionTime light crosses a proton
96 minutes
Mission duration7.8 million s
86,444Red lights
8,644Quarter hours
3.05Lunar months
About 3 months