Mach 10
12,350 km/hSpeed · definition
Mach depends on sound speed. Here Mach 1 is 343 m/s in dry air at 20 °C.
Speed
Just how fast is Mach 10?
Air & orbit
Mach 10
DISTANCE IN ONE SECOND
Mach 10
Mach depends on sound speed.
12,350 km/hSpeed
0
3.43 km in 1 s
Pluto
Pluto is a dwarf planet in the Kuiper Belt, composed of rock and ice and orbiting the Sun.
17,060 km/hOrbital speed
0
4.74 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
The orbital speed of Pluto is about 1.38 times Mach 10.
Measurements, assumptions & sources +
Mach 10
Speed: 12,350 km/h; definition.
Mach depends on sound speed. Here Mach 1 is 343 m/s in dry air at 20 °C.
Pluto
Orbital speed: 17,060 km/h; rounded orbital anchor.
Mean-radius spherical model for Pluto; actual shape is not perfectly spherical.
Rounded representative orbital speed, not instantaneous ephemeris data.
Defined examples — our methodology
The marked orbital speed is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare Mach 10 with the orbital speed of Pluto. The notes below explain how each value was chosen.
Pluto
17,060 km/hOrbital speed · rounded orbital anchor
Mean-radius spherical model for Pluto; actual shape is not perfectly spherical.
- Comparing
- Speed ↔ Orbital speed
- Relative size
- The orbital speed of Pluto is about 1.38 times Mach 10. The orbital speed of Pluto is approximately 38.2% greater than Mach 10.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- Pluto: Rounded representative orbital speed, not instantaneous ephemeris data.
Speed is distance per unit time; it does not specify the total distance travelled.
3,430 m/smetres per second
12,348 km/hkilometres per hour
7,672.7 mphmiles per hour
0.0011441% of c (1.1441 × 10⁻⁵c)speed of light
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