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Speed

Just how fast is 8,000 metres per second?

Air & orbit

8,000 m/s

Scale

DISTANCE IN ONE SECOND

8,000 metres per second

The quantity is exact as entered.

28,800 km/hSpeed
0

8 km in 1 s

International Space Station

The International Space Station is a large habitable satellite that orbits Earth and serves as a research laboratory.

28,160 km/hSpeed
0

7.823 km in 1 s

Each track shows distance covered in the same second. The small illustrations identify the movers; their sizes are schematic.

A little perspective

8,000 metres per second is about 1.02 times the speed of the International Space Station.

Measurements, assumptions & sources +

8,000 metres per second

Speed: 28,800 km/h; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

International Space Station

Speed: 28,160 km/h; approximate.

NASA’s rounded 17,500 mph orbital-speed figure. This is motion around Earth, not speed relative to an astronaut inside.

NASA — International Space Station

The marked speed is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 8,000 metres per second with the speed of the International Space Station. The notes below explain how each value was chosen.

8,000 metres per second

28,800 km/h

Speed · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

International Space Station

28,160 km/h

Speed · approximate

NASA’s rounded 17,500 mph orbital-speed figure. This is motion around Earth, not speed relative to an astronaut inside.

Comparing
Speed ↔ Speed
Relative size
8,000 metres per second is about 1.02 times the speed of the International Space Station. 8,000 metres per second is approximately 2.26% greater than the speed of the International Space Station.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The speed of the International Space Station: This is an estimate; check the notes for its rounding and uncertainty.

Speed is distance per unit time; it does not specify the total distance travelled.

28,800 km/hkilometres per hour
17,895 mphmiles per hour
Mach 23.324Mach
0.0026685% of c (2.6685 × 10⁻⁵c)speed of light

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