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Northrop Grumman NGHT-1X engineering model Hall-effect thruster operating in Glenn Research Center Vacuum Facility 8. The design of the NGHT-1X is based on the NASA-H71M Hall-effect thruster. Credit: Northrop Grumman
Nevertheless, small spacecraft will need to be able to perform challenging propulsive maneuvers like achieving escape velocity, orbital capture, and other maneuvers that require significant acceleration . The thrust required to perform these maneuvers – 8 km/s of delta-v – is beyond the capability of current and commercially available propulsion technology.
According to NASA, missions using the NASA-H71M system could operate for 15,000 hours and process over 30% of the small spacecraft’s initial mass in propellant. This system could increase the reach of secondary spacecraft, allowing them to deviate from the primary mission’s trajectory and explore a wider range of scientific targets. By allowing spacecraft to decelerate and make orbital insertions, this technology could increase mission durations and the amount of time they have to study objects.
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