Autonomous Ion Mass Spectrometer Sentry (AIMSS)
ENERGY, DEPARTMENT OF
Place of performance: Los Alamos, NM
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- Posted
- Aug 13, 2026
- Closes
- No deadline published by the funder
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
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...