https://github.com/nasa/nos3
NASA Operational Simulator for Space Systems
https://github.com/nasa/nos3
42 cfs cosmos digital-twin nasa nos nos3 simulator
Last synced: about 2 months ago
JSON representation
NASA Operational Simulator for Space Systems
- Host: GitHub
- URL: https://github.com/nasa/nos3
- Owner: nasa
- License: other
- Created: 2018-08-02T20:29:44.000Z (over 7 years ago)
- Default Branch: main
- Last Pushed: 2026-01-16T21:11:02.000Z (about 2 months ago)
- Last Synced: 2026-01-17T04:56:55.271Z (about 2 months ago)
- Topics: 42, cfs, cosmos, digital-twin, nasa, nos, nos3, simulator
- Language: C
- Homepage:
- Size: 205 MB
- Stars: 536
- Watchers: 23
- Forks: 138
- Open Issues: 80
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
- awesome-space - NOS3 - NASA Operational Simulator for Small Satellites (Spacecraft / Simulation)
README
# NASA Operational Simulator for Space Systems (NOS3)
NOS3 is a suite of tools developed by NASA's Katherine Johnson Independent Verification and Validation (IV&V) Facility to aid in areas such as software development, integration & test (I&T), mission operations/training, verification and validation (V&V), and software systems check-out.
NOS3 provides a software development environment, a multi-target build system, an operator interface/ground station, dynamics and environment simulations, and software-based models of spacecraft hardware.
# Documentation
[NOS3 - ReadTheDocs](https://nos3.readthedocs.io/en/latest/)
## Issues and Feature Requests
Please report issues and request features on the GitHub tracking system - [NOS3 Issues](https://www.github.com/nasa/nos3/issues).
If you would like to contribute to the repository, please complete this [NASA Form][def] and submit it to gsfc-softwarerequest@mail.nasa.gov with Justin.R.Morris@nasa.gov CC'ed.
Next, please create an issue describing the work to be performed noting that you intend to work it, create a related branch, and submit a pull request when ready. When complete, we will review and work to get it integrated.
If this project interests you or if you have any questions, please feel free to open an issue or discussion on the GitHub, contact any developer directly, or email `support@nos3.org`.
[def]: https://github.com/nasa/nos3/files/14578604/NOS3_Invd_CLA.pdf "NOS3 NASA Contributor Form PDF"
## License
This project is licensed under the NOSA 1.3 (NASA Open Source Agreement) License.
## Versioning
We use [SemVer](http://semver.org/) for versioning. For the versions available, see the tags on this repository.