Orekit 9.3 released

Version 9.3 is a minor release of Orekit. It introduces several new features and bug fixes.

New features introduced in version 9.3 are :

a new GPSDate class
changed OrekitException from checked to unchecked exceptions
parameter drivers scales and reference value can be changed
access to Kalman filter internal matrices
position-only measurements in orbit determination
support for unofficial versions 2.12 and 2.20 of Rinex files (mainly for spaceborne receivers)
direct building of appropriate attitude law with eclipses for all GNSS satellite types
inter-satellites view detector
measurement generation feature
possibility fo use Marshall Solar Activity Future Estimation to feed NRL MSISE 2000 atmosphere model
new tropospheric models: Mendes-Pavlis, Vienna 1, Vienna 3, estimated model
new mapping functions for tropospheric effect: Global Mapping Function, Niell Mapping Function
Global Pression Temperature Models GPT and GPT2
possibility to estimate tropospheric zenith delay
clock offset that can be estimated (both for ground station and satellite clocks)
handling of GPS clock corrections directly from propagator
management of clock corrections as additional states from any propagator

Numerous bugs have been fixed.

This version depends on Hipparchus 1.4

News summary