Using customer-provided ephemerides with AWS Ground Station
Public Sector Blog
This article discusses using customer-provided ephemerides (CPE) with AWS Ground Station, a cloud service for communicating with satellites. The key points are:
Specifically, the article covers:
- How AWS Ground Station normally gets ephemerides (satellite position data) from space-track.org, but CPE is needed for early stages of missions or orbital maneuvers when that data is unavailable
- An overview of the file formats used for ephemerides: TLE and OEM
- A solution architecture using AWS services like S3, Lambda, CloudWatch, SNS to upload CPE files, update ephemerides in Ground Station, and reschedule satellite contacts
- Instructions for implementing this solution using provided code
- Conclusion that this enables using Ground Station earlier in missions and during maneuvers
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