Inputs
Space weather indices are provided here with a 45-day lag between the current day-of-year (DOY). The operational, real-time space weather indices can be requested via UDL.
- SOLFSMY.txt, solar indices (F10, S10, M10, Y10)
- SOLRESAP.txt, geomagnetic 3-hour Ap indices
- DSTFILE.txt, geomagnetic hourly Dst
- DTCFILE.txt, hourly DTC values
Note: JB2008 uses the hourly Dst values during moderate to high geomagnetic activity, and the 3-hour Ap values during low to no storm activity.

DEVELOPER RESOURCES
JB2008 Resources
Model implementations, validation tools, and supporting documentation.
Source Code
Download the JB2008 atmospheric density model and integrate it into your applications.
Fortran 77 source codePython wrapper and READMEMATLAB and Orekit implementations
Validation
Verify your JB2008 implementation against the supplied reference results.
Model validation test caseReference output dataImplementation accuracy checks
JB2008 License Agreement
Review the terms and conditions for using the JB2008 atmospheric density model.
License agreement documentTerms of use



