2026 – 2027 C3 Communications Hub
Here is a repository of the communications pertaining to the 2026-27 COSMIC Capstone Challenge (C3). The full info packet can be found here.
Return to the main C3 Event Page
If there are any changes to your team roster, please provide the information for any members that should be added or removed.
View this year’s mission statements
Videos
Role Onboarding Videos
Track Onboarding Videos
C3 Construction Onboarding Slide Deck
Office Hour Videos
Deliverable Guidance & Templates
COSMIC Prioritized Use Cases (for reference)
C3 Flash Talk Guidance
C3 Spring 2027 Outbrief Template
Track Specific Information
Track 2 :
Question: In the initial mentor training you mentioned a Lunar Sourcebook as a good reference for understanding operating conditions and other constraints that would flow into requirements. I found a 778 page .pdf online that was last updated in 2014. It was not posted to a NASA repository. Is this the correct document to reference? Also, you mentioned being connected to some of the folks at NASA working the fission reactor system concepts. Are you able to refence me to some reading material so I can get familiar on the concepts and progress of the effort please?
Answer: I believe you have found the correct Lunar Source Book reference. I have convenient link here as well.
https://www.lpi.usra.edu/publications/books/lunar_sourcebook/pdf/LunarSourceBook.pdf
As far as the FSP info, that reference is included in the C3 2026-2027 Info Packet.
Track 3 :
Robotic Servicing of Geosynchronous Satellites: Interface Fact Sheets
- Marman Ring Tool (MRT)
- Robotic External Interfaces Overview
- POD Capture System (PCS)
- Structural, Power, and Data Port (SPDP)
- Tool Changer & Receptacle (TCR)
Track 5 :
Queston: Do you provide communications support to the hosted payloads? If so, what are the limits on bandwidth and communication windows.
Answer: For actual downlink we have a couple S band radios that can do 2-5 Mbps and we’ll have ~5x windows per day each around 5 minutes for downlinking. Payloads which generate lots of telemetry tend to operate in bursts, store telemetry (i.e. video files), then downlink all of it over a couple days.
Email Communications
Welcome to C3
Welcome email sent to all student teams, advisors, and mentors after onboarding
General Communications
Student Communications
10/28/26: Student Planning for the C3 Flash Talks
Mentor Communications
Mission Statements
All team Mission Statements will be posted here after the 10/16/26 submission deadline