Table C-3: Plasma conditions on exit plane of several electric propulsion thrusters

	Hall thruster	Ion thruster	FEEP thruster
Application	Telecommunication satellite and primary propulsion	Telecommunication satellite and primary propulsion	Scientific satellites
Exit plasma density	10^17 m^-3	10^16 m^-3	10^15 m^-3
Exit neutral density	10^17 m^-3	10^18 m^-3	10^10 m^-3
Ion energies	300 eV	1 keV	8 keV