Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts
Closed Pre-Solicitation Posted
- Solicitation number
- 80JSC027CTTR
- Agency
-
Johnson Space Center
National Aeronautics and Space Administration
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Place of performance
- Houston, Texas, United States
Notice details come from SAM.gov. Updated .
About this opportunity
NASA Johnson Space Center is requesting information on measurement approaches for core body temperature and thermoregulatory responses in astronauts during spaceflight, with responses due by October 14, 2026 (amended from October 7). This is a sources-sought RFI for information and planning purposes only; no formal solicitation currently exists.
NASA's Human Research Program seeks validated methodologies to measure and monitor core body temperature during normal daily activities, exercise, and re-entry/landing operations aboard International Space Station missions, with potential application to lunar and Martian missions. Responses should address prospective approaches using currently available technologies for low-Earth orbit, accounting for stowage, power, and communication constraints. Retrospective methodologies analyzing existing datasets through the NASA Life Sciences Data Portal are also solicited.
The RFI identifies a critical technical gap: current thermal modeling for extravehicular activity suits and environmental life support systems assumes resting core temperatures equivalent to ground-based populations, but recent ISS studies show core temperature is approximately 1 degree Celsius higher in spaceflight and increases more rapidly during exercise. Esophageal and rectal measurements represent gold standards but are impractical for routine spaceflight monitoring, while non-invasive alternatives such as the double-sensor approach require validation against accepted measures during actual spaceflight.
Work is targeted for completion by 2032 for ISS missions. Submit responses electronically to Tracy L. Quintanilla (Tracy.L.Quintanilla@nasa.gov) and Katelyn R. Jaime (Katelyn.R.Jaime@nasa.gov), referencing RFI 80JSC027CTTR.
Notice text
2 versions
Update #2 · Latest ·
Amendment 1: This RFI was amended to update the response due date to October 14, 2026, 2:00 p.m. CT.
NASA/Johnson Space Center (JSC) is hereby requesting information for Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts. For further details see attachment: 80JSC027CTTR RFI 2026-09-29
All responses must be submitted electronically via email to Tracy L. Quintanilla at Tracy.L.Quintanilla@nasa.gov, and Katelyn R. Jaime at Katelyn.R.Jaime@nasa.gov, no later than October 7, 2026, 2:00 p.m CT.
Please reference: RFI 80JSC027CTTR - Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts, in any response.
Update #1 ·
NASA/Johnson Space Center (JSC) is hereby requesting information for Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts. For further details see attachment: 80JSC027CTTR RFI 2026-09-29
All responses must be submitted electronically via email to Tracy L. Quintanilla at Tracy.L.Quintanilla@nasa.gov, and Katelyn R. Jaime at Katelyn.R.Jaime@nasa.gov, no later than October 7, 2026, 2:00 p.m CT.
Please reference: RFI 80JSC027CTTR - Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts, in any response.
Files
| File | Type | Posted |
|---|---|---|
| 80JSC027CTTR RFI 2026-09-29.pdf |
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