Your weight on Pallas
Your mass does not change when you travel. Your weight does, because weight is a force and it depends on the local gravitational field.
Your weight there, in kilograms-force
1.558
- Your weight as a force
- 15.27
- Your weight in pounds-force
- 3.43
- Surface gravity
- 0.2182 m/s2
- Gravity relative to Earth
- 0.022 25
- How high that jump would take you
- 22.472
- Time for something to fall one metre
- 3.028 s
- Your weight on Earth for comparison
- 686.47
Show the working
- Your mass = 70
- How high you can jump on Earth = 0.5
- gm = 1.43e10 = 14 300 000 000
- radius = 2.56e5 = 256 000
- Surface gravity = 14 300 000 000 / 256 000^2 = 0.218 201
- Gravity relative to Earth = 0.218 201 / 9.80665 = 0.022 250 3
- Your weight as a force = 70 * 0.218 201 = 15.274
- Your weight there, in kilograms-force = 15.274 / 9.80665 = 1.557 52
- Your weight in pounds-force = 15.274 / 4.4482216152605 = 3.433 74
- How high that jump would take you = 0.218 201 > 0 ? 0.5 * 9.80665 / 0.218 201 : 0 = 22.4716
- Time for something to fall one metre = 0.218 201 > 0 ? sqrt(2 * 1 / 0.218 201) : 0 = 3.027 52
- Your weight on Earth for comparison = 70 * 9.80665 = 686.466
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- surface gravity g = GM / r^2
- weight = mass x g
- jump height scales inversely with gravity for the same take-off energy
The gravitational constant G is the least precisely known fundamental constant, so results here are reported as rounded rather than exact.
Kilograms-force is what a bathroom scale reads. It is a force, not a mass, which is why the number changes and your mass does not.
Where the numbers come from
- GM and mean radius from planetary ephemeris and spacecraft tracking solutions.