1,000 kilometres
1,000 kmLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 1,000 kilometres?
Our planet
1,000 km
1,000 kilometres
The quantity is exact as entered.
1,000 kmLength
0 - shared origin
Charon
Charon is a natural satellite of Pluto, composed mainly of rock and water ice.
1,212 kmMean diameter
0 - shared origin
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.
A little perspective
The mean diameter of Charon is about 1.21 times 1,000 kilometres.
Measurements, assumptions & sources +
1,000 kilometres
Length: 1,000 km; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Charon
Mean diameter: 1,212 km; approximate.
Rounded mean-radius model of Charon. The derived area and volume describe a sphere; surface terrain and flattening are omitted.
NASA JPL — Planetary satellite physical parameters
The marked mean diameter is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1,000 kilometres with the mean diameter of Charon. The notes below explain how each value was chosen.
Charon
1,212 kmMean diameter · approximate
Rounded mean-radius model of Charon. The derived area and volume describe a sphere; surface terrain and flattening are omitted.
- Comparing
- Length ↔ Mean diameter
- Relative size
- The mean diameter of Charon is about 1.21 times 1,000 kilometres. The mean diameter of Charon is approximately 21.2% greater than 1,000 kilometres.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The mean diameter of Charon: This is an estimate; check the notes for its rounding and uncertainty.
This comparison follows the selected length only; other dimensions may differ.
1,000,000 mmetres
3,280,800 ftfeet
621.37 mimiles
6.6846 × 10⁻⁶ AUastronomical units
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