Neutral Particle Composition and Flow Velocity Measurements Made by Earth Observation Satellites

Measurements > Gravity and Magnetic Fields > Gravity, Magnetic and Geodynamic measurements > Neutral Particle Composition and Flow Velocity

Measurement Definition: A directional instrument that measures the amount of neutrals encountered by the spacecraft.

Instrument	Status/ Accuracy	Instrument Description	Measurement Technology	Timeline
NMS	Operational	The Neutral Mass and velocity Spectrometer (NMS) measures mass composition and velocity of neutral atmospheric species in the 1-40 amu mass and 0.1-2 km/s velocity range.	n/a