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Feasibility Study of NOFB Propulsion Systems for Multi-Altitude Earth Observation Missions

Jingeon Kim, Eunwoo Jung, Minwoo Lee
August 24, 2026
Published Date

Research Abstract & Technology Focus

Earth observation (EO) satellites represent the largest and fastest growing segment of the satellite industry [1]. Higher imaging resolution can be achieved either by enlarging the optical system-which increases satellite dry mass-or by lowering operational altitude, where increased atmospheric drag demands continuous propulsive orbit maintenance[2]. At Low Earth Orbit (LEO) and Very Low Earth Orbit (VLEO), atmospheric drag increases significantly, requiring a dedicated propulsion system for sustained orbit maintenance. Hydrazine (N2H4) has been the conventional propellant choice, but its high toxicity incurs substantial handling costs, and its low vapor pressure necessitates a separate pressurant tank. Nitrous Oxide Fuel Blends (NOFBs), which utilize nitrous oxide (N2O) as an oxidizer, have emerged as a promising alternative, offering non-toxicity, self-pressurization, and comparable specific impulse. This study conceptually compares Hydrazine and NOFB propulsion systems by estimating propellant mass, tank volume, and system mass for an EO satellite mission.
Propellant Satellite Propulsion Aerospace engineering Orbit (dynamics) Environmental science

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Feasibility Study of NOFB Propulsion Systems for Multi-Altitude Earth Observation Missions

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What is the core focus of the research titled 'Feasibility Study of NOFB Propulsion Systems for Multi-Altitude Earth Observation Missions'?

This literature focuses on: Earth observation (EO) satellites represent the largest and fastest growing segment of the satellite industry [1]. Higher imaging resolution can be achieved either by enlarging the optical system-which increases satellite dry mass-or by lowering o...

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What other academic literature is closely related to 'Feasibility Study of NOFB Propulsion Systems for Multi-Altitude Earth Observation Missions'?

Yes, highly correlated activity was mapped. An entry titled 'Feasibility Study of NOFB Propulsion Systems for Multi-Altitude Earth Observation Missions' discusses this: Earth observation (EO) satellites represent the largest and fastest growing segment of the satellite industry [1]. Higher imaging resolution can be...

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