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traveller:roll20

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Roll20 Scripts

Physics [!physics]

The Physics script is designed to provide aid in calculating basic things such as information on planets, or plotting travel times. It's not specifically tied to Traveller, but was written with that game in mind. As with my other scripts, it is available on GitHub.

planet

Can be used to display some basic statistics about a planet.

The simplest command can be used to calculate statistics for a planet.

!physics planet 6400 5.5

Displays statistics on a planet with a radius of 6400km, and a density of 5.5g/cm³. It will display the planet's mass, escape velocity and surface gravity.

You don't have to specify the full command. You can use !phy instead of !physics. You can also specify the first letters of the command word.

!phy planet 6400 5.5
!phy plan 6400 5.5
!phy p 6400 5.5

You can specify different units, for example you can use 'e' for Earth, 'j' for Jupiter or 'sol' for Sol. You can also specify, m (metres), km (kilometres), mkm (millions of kilometres) or au (astronomical units).

!physics planet 1e 1e

Orbits

Another option is to specify an orbit. If a third parameter is specified, then it is the distance to an orbit, which by default is from the centre of the planet. To specify a 7,000km orbit around a 6,400km radius planet you would use:

!physics planet 6400km 5.5 7000km

Alternatively, you can specify an orbit as an altitude by using +<altitude>.

!physics planet 6400km 5.5 +400km

Solar Orbits

You can also specify solar orbits, simply by using larger numbers.

!physics planet 1sol 1sol 1au
traveller/roll20.1603576218.txt.gz · Last modified: 2020/10/24 21:50 by sam