Solicitation
Space weather Observations at L1 to Advance Readiness (SOLAR) Series X-ray Irradiance Sensor (XRIS)
80GSFC26R0006
National Aeronautics and Space Administration, NASA Goddard Space Flight Center. Guided Missile and Space Vehicle Manufacturing.
Response deadline
July 6, 2026 at 5:00 PM EDT
Closed 118 days ago. Posted June 30, 2026, first published June 4, 2026. Scheduled to archive July 21, 2026.
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This one closed in 2026
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Description
As published on SAM.gov.
The National Aeronautics and Space Administration's Goddard Space Flight Center is pleased to release the Request for Proposal (RFP) for the X-ray Irradiance Sensor (XRIS) acquisition. This RFP replaces the Draft RFP (Notice ID: XRIS-DRFP-80GSFC26R7004) issued on February 4, 2026 in its entirety.
All attachments to this posting together constitute the complete RFP, including all instructions, restrictions, provisions, and contract clauses.
Update 1: Posted Question and Answer document.
Amendment 1: The purpose of this amendment is to correct clause GSFC 52.217-92 PERIOD OF PERFORMANCE.
Update 2: Posted Questions and Answers #2 and #3.
Attachments
Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.
- 27) Exhibits 1 - 3.pdf119 KB, June 4, 2026
Publications
Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.
June 4, 2026
Solicitation, originally sources sought
Due July 6, 2026 at 5:00 PM EDT. SAM.gov, notice 554204af76ef446a902c3d4256d7ce14
5 revisions on SAM
- June 30, 2026: publish, solicitation
- June 17, 2026: publish, solicitation
- June 5, 2026: publish, solicitation
- June 4, 2026: publish, solicitation
- February 4, 2026: publish, sources sought
June 5, 2026
Solicitation
Due July 6, 2026 at 5:00 PM EDT. SAM.gov, notice 55410e21d85840d580f5a2706cc3d918
5 revisions on SAM
- June 30, 2026: publish, solicitation
- June 17, 2026: publish, solicitation
- June 5, 2026: publish, solicitation
- June 4, 2026: publish, solicitation
- February 4, 2026: publish, sources sought
June 17, 2026
Solicitation
Due July 6, 2026 at 5:00 PM EDT. SAM.gov, notice c40fe926e5fb497f9bcb4f7032eb4069
5 revisions on SAM
- June 30, 2026: publish, solicitation
- June 17, 2026: publish, solicitation
- June 5, 2026: publish, solicitation
- June 4, 2026: publish, solicitation
- February 4, 2026: publish, sources sought
June 30, 2026
Solicitation
Due July 6, 2026 at 5:00 PM EDT. SAM.gov, notice b172062a4a614863b834cf7d198a7d61
5 revisions on SAM
- June 30, 2026: publish, solicitation
- June 17, 2026: publish, solicitation
- June 5, 2026: publish, solicitation
- June 4, 2026: publish, solicitation
- February 4, 2026: publish, sources sought
Points of contact
- Daniel Handaniel.s.han@nasa.gov
- Suzanne Sierrasuzanne.k.sierra@nasa.gov