500 kilometres
500 kmLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 500 kilometres?
Our planet
500 km
500 kilometres
The quantity is exact as entered.
500 kmLength
0 - shared origin
Enceladus
Enceladus is a natural satellite of Saturn, with an icy surface and plumes of water vapour erupting from its south pole.
504.2 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 Enceladus is about 1.01 times 500 kilometres.
Measurements, assumptions & sources +
500 kilometres
Length: 500 km; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Enceladus
Mean diameter: 504.2 km; approximate.
Rounded mean-radius model of Enceladus. 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 500 kilometres with the mean diameter of Enceladus. The notes below explain how each value was chosen.
Enceladus
504.2 kmMean diameter · approximate
Rounded mean-radius model of Enceladus. The derived area and volume describe a sphere; surface terrain and flattening are omitted.
- Comparing
- Length ↔ Mean diameter
- Relative size
- The mean diameter of Enceladus is about 1.01 times 500 kilometres. The mean diameter of Enceladus is approximately 0.84% greater than 500 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 Enceladus: This is an estimate; check the notes for its rounding and uncertainty.
This comparison follows the selected length only; other dimensions may differ.
500,000 mmetres
1,640,400 ftfeet
310.69 mimiles
3.3423 × 10⁻⁶ AUastronomical units
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