12.1

Version 12.1 is a minor release of Orekit. The main changes are:

• Major performance improvements in several Orekit features:

  • orbit propagation
  • orbit estimation
  • frame transformations
  • etc.

• Implementation of specific AdaptableInterval for:

  • elevation detector
  • apside detector

• GNSS:

  • Support for post-seismic deformation available in Sinex files
  • Splicing of Rinex clock files
  • Support for different GNSS clock modelling
  • New architecture for tropospheric models as well as new models (i.e., Askne-Nordius model, Hopfield model, and Chao mapping functions)

• New event detector for:

  • beta angle
  • relative distance between two objects

• Propagation:

  • support for Intelsat's 11 elements propagation
  • a new solar radiation pressure model with cylindrical shadow model

• Miscellaneous:

  • support for Walker constellations
  • support for Ant has been removed
  • Several bug fixes

This version depends on Hipparchus 3.1