11.0.1

Version 11.0.1 is a patch release of Orekit. The main changes are:

• Fix of the computation of the relativistic clock correction for GNSS measurements
• Fixes in the writing of OEM and CPF files
• Fix of the expired SSL certificate
• Improvements of the documentation for solar radiation pressure and impulse maneuvers models

This version depends on Hipparchus 2.0

11.0

Version 11.0 is a major release, including both new features and bug fixes. The main changes are:

• Orbit determination using TLE orbit propagator
• Sequential batch least squares orbit determination
• New method signatures for IOD using directly the measurement classes
• Writer and parser for all CCSDS Navigation Data Messages in both KVN and XML formats
• Version 2 of CCSDS Tracking Data Messages
• Version 3 of CCSDS Orbit Data Messages
• Support for Rinex navigation files
• Support for IGS clock files
• Support for IGS real time data including both SSR and RTCM messages and Ntrip protocole
• Consideration of eclipses by Moon in solar radiation pressure force
• New API for analytical GNSS propagators
• Addition of the finish method to finalize propagation by step handlers. It replaces the previous isLast parameter of the handleStep method.
• Removal of propagation modes (master, slave, and ephemeris)
• Possibility to add several step handlers for the same orbit propagation
• A lot of fixed bug

This version depends on Hipparchus 2.0

10.3.1

Version 10.3.1 is a patch release.
It fixes potential infinite loops in ellipsoid tesselation.
This version depends on Hipparchus 1.8

10.3

Version 10.3 is a minor release of Orekit.

Highlights in the 10.3 release are:

• Fix of short period Jacobian calculation in DSST orbit determination
• Fix Kalman issues
• Fix CCSDS ADM issues
• Relativistic clock correction for most of measurements
• Piecewise model for empirical forces
• One-way GNSS Range and Phase measurements
• Support for Laser Ranging data (i.e. both CPF & CRD formats)
• Lense-Thirring and De Sitter relativistic effects
• Clock drift for RangeRate measurements
• Support for AGI LeapSecond.dat files
• New interfaces for attitude ephemeris files
• Knocke model for Earth’s albedo and infrared
• Possibility to use multiple handlers for one event detector

This version depends on Hipparchus 1.8

10.2

Version 10.2 is a minor release of Orekit.

Highlights in the 10.2 release are:

• Support for CCSDS ADM files
• Trajectories around Lagrangian point using CR3BP model
• Time span drag force model
• Time span tropospheric model
• Estimated ionospheric model
• Improved phase measurement
• Several bug fixes for date functionalities
• Configurable low thrust maneuver model based on detectors
• Support for CSSI space weather data
• New organization of the maneuvers package

This version depends on Hipparchus 1.7

10.1

Version 10.1 is a minor release of Orekit.

Highlights in the 10.1 release are:

• Combination of GNSS measurements.
• Wind-up effect on GNSS measurements.
• Support for Hatanaka compact RINEX format.
• Laplace initial orbit determination method.
• A new Field Of View package that includes circular, elliptical, dihedral and polygonal field of views.
• Comparison methods in AbsoluteDate class.
• Moved Orekit’s tutorials to a separate sister project.
• NeQuick ionospheric model.
• Improvement of the contributing guide.
• Possibility to use multiplexed measurement.
• IRNSS and SBAS analytical orbit propagators.
• Possibility to write covariance matrices in OEM writers.
• Default constructors for DSST force models.
• Connection with Gitlab CI.
• Improvement of release proceeding.
• Implementation of the data loading proposal.
• Several other features and bug fixes.

This version depends on Hipparchus 1.6

10.0

Version 10.0 is a major release of Orekit.

Highlights in the 10.0 release are:

• Security: fix possible denial of service when loading itrf-versions.conf
• Specialized GNSS propagators
• Propagation in non-inertial frames
• DSST OD
• A new Ionosphere model
• Modeling phase measurements
• LAMBDA method for ambiguity resolution
• Shapiro effect for range measurements
• Improved documentation
• Several other features and bug fixes

This version depends on Hipparchus 1.5

9.3.1

Version 9.3.1 is a minor release of Orekit.

The only change introduced since release 9.3 is a fix for an issue involving GPS week rollover.

9.3

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

9.2

Version 9.2 is a minor release of Orekit. It introduces several new features and bug fixes.

New features introduced in version 9.2 are :

• Kalman filter for orbit determination
• loading of RINEX files
• loading of ANTEX files
• loading of version d of SP3 files (version a to c were already supported)
• on-the-fly decompression of .Z files
• code measurements
• phase measurements (but only a very basic implementation for now)
• specific attitude laws (GPS, GLONASS, GALILEO, BEIDOU) with midnight/noon turns
• possibility to use backward propagation in LS orbit determination
• support for any ITRF version, even if EOP files do not match the desired version
• attitude overriding in constant thrust maneuvers
• FunctionalDetector
• filtering mechanism to insert specific decompression or deciphering algorithms during data loading
• frames for Lagrange L1 and L2 point for any two related celestial bodies

WARNING: phase measurements, GNSS attitude and time-dependent process noise are considered experimental features for now, they should not be used yet for operational systems

Several bugs have been fixed.

This version depends on Hipparchus 1.3.