Astronomical Unit (AU): A distance unit equal to the average distance from the Earth to the Sun. In IS units, it is 1.50·1011 m.

Solar Mass (MSun): A mass unit equal to the mass of the Sun. In IS units, it is 1.99·1030 kg.

Earth Mass (MEarth): A mass unit equal to the mass of the Earth. In IS units, it is 5.97·1024 kg.

Jupiter Mass (MJ): A mass unit equal to the mass of Jupiter. In IS units, it is 1.90·1027 kg.

Day (d): A time unit equal to the time it takes for a planet to complete one revolution around its axis. If no other information is provided, the planet in question is assumed to be Earth.

Year (yr): A time unit equal to the time it takes for a planet to complete one orbit. If no other information is provided, the planet in question is assumed to be Earth.