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Autonomous Ion Mass Spectrometer Sentry (AIMSS)

ENERGY, DEPARTMENT OF

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Place of performance: Los Alamos, NM

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Posted
Aug 13, 2026
Closes
No deadline published by the funder

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At a glance

This is a government contract opportunity posted by ENERGY, DEPARTMENT OF in the space research and technology category. Work is performed in Los Alamos, NM.

Classification and identifiers

Industry (NAICS)
Space Research and Technology (927110)
Product or service (PSC)
Space R&D Services; Space Flight, Research and Supporting Activities; Applied Research (AR12)
Solicitation number
S-194425
Contracting office
TRIAD - DOE CONTRACTOR

Who can apply

Work performed in Los Alamos, NM

About this opportunity

Satellite measurements of plasma density and temperature help predict the intensity of geomagnetic storms, which can impact satellites, communications, and power systems. Accurate forecasting requires knowledge of plasma composition. However, typical orbital mass spectrometers have difficulty distinguishing between nitrogen (N+) and oxygen (O+) ions due to their similar masses. This limitation makes it difficult to validate modern space weather models, which depend on accurate knowledge of ion composition in near-Earth space. N+ and O+ ions behave differently in space due to differences in their origin, transport, and loss mechanisms. Improving our ability to distinguish between these ions is critical for understanding and predicting space weather. Advantages High mass resolution enables d...

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