SOLICITATION NOTICE
A -- 2026 Astrophysics Small Explorer (APSMEX)
- Notice Date
- 8/6/2026 12:00:00 AM
- Notice Type
- Combined Synopsis/Solicitation
- NAICS
- 54171
— Research and Development in the Physical, Engineering, and Life SciencesT
- Contracting Office
- NASA HEADQUARTERS WASHINGTON DC 20546 USA
- ZIP Code
- 20546
- Solicitation Number
- NNH26ZDA011O
- Response Due
- 9/9/2026 8:59:00 PM
- Archive Date
- 09/24/2026
- Point of Contact
- Daniel Moses, APSMEX26 Lead Program Scientist, Omar Torres, APSMEX26 Lead Acquisition Manager
- E-Mail Address
-
dan.moses@nasa.gov, omar.torres@nasa.gov
(dan.moses@nasa.gov, omar.torres@nasa.gov)
- Description
- Amendment #1: This SAM.gov update 1) announces the release of revised final text for the �Astrophysics Explorers Program 2026 Small Explorer (SMEX)� AO and 2) adds a copy of the text of an August 2026 NSPIRES e-mail sent to SMD List Serv subscribers. Please open and carefully review the attachment named �6AugustEmail.pdf� under the Attachments/Links section of this notice. The proposal due date remains unchanged. For complete details, visit the link named �Final Ful Text NNH26ZDA011O� under the Attachments/Links section of this notice. End of Amendment #1. On or after this SAM.gov notice, the final text for the Announcement of Opportunity (AO) 2026 Astrophysics Small Explorer (APSMEX) will be available for download from the NASA Solicitation and Proposal Integrated Review and Evaluation System (NSPIRES) at https://nspires.nasaprs.com. Click on the word �Solicitations� at the top of the NSPIRES landing page and then on the next page enter the number �NNH26ZDA011O� in the search box or use the direct URL provided below. This �Description� is not a complete or verbatim summary of the AO. It is the responsibility interested parties to visit and monitor regularly the two listed internet sites (links) for any amendments or other updates. Please also open and carefully read the attached PDF file named �9JuneEmail.pdf�. The 9JuneEmail attachment is copy of the text that NSPIRES sent to Science Mission Directorate (SMD) List Serv subscribers and includes other and earlier, important dates such as for the submission of a MANDATORY Notice of Intent (NOI) and a virtual Preproposal conference that are prior to the listed Date Offers Due. After reading the full AO on NSPIRES, please address any comments and questions only via email to both the primary and alternative points of contact listed and use "" APSMEX26� in the subject line.
- Web Link
-
SAM.gov Permalink
(https://sam.gov/workspace/contract/opp/a337520a30514dcd936edaebc7e6b61c/view)
- Record
- SN07915275-F 20260808/260810082534 (samdaily.us)
- Source
-
SAM.gov Link to This Notice
(may not be valid after Archive Date)
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