11.3.2

Version 11.3.2 is a patch release of Orekit. The main changes are:

• Fixed GLONASS parser to set ToC and Date directly to ingested date instead of rounded GPS date.
• Fixed numerical issue in CartesianOrbit#shiftedBy().
• Fixed convergence of unscented kalman filter by using measurement covariance.
• Added missing Onsala Space Observatory BLQ file formats.
• Fixed ambiguous propagation type for numerical orbit propagators.
• Removed reference to old Orekit mailing list in LocalOrbitalFrame.
• Fixed theoretical evaluation of AngularRaDec when the reference frame is not Earth-centered.
• Fixed wrong wrapper in deprecated KeplerianOrbit's and FieldKeplerianOrbit's methods for anomaly conversions.
• Improved documentation of glonass propagators.
• Fixed HolmesFeatherstoneAttractionModel error with a degree 0 gravity field.

This version depends on Hipparchus 2.3

11.3.1

Version 11.3.1 is a patch release of Orekit. The main changes are:

• Fixed JavaDoc in IsotropicRadiationClassicalConvention class.
• Fixed week number parsing in Rinex Navigation files.
• Fixed discontinuity issues in Brouwer-Lyddane orbit propagator.
• Improved documentation of StateCovariance class.

11.3

Version 11.3 is a minor release of Orekit. The main changes are:

• Added shiftedBy method for covariance matrix.
• Added new class to handle covariance matrix.
• Use Véronique Dehant table for station displacements due to tides.
• Avoid losing last measurements in Kalman filter.
• Accept new fields in CCSDS CDM files.
• Added covariance transformation between local orbital frames.
• Moved Keplerian anomaly conversion methods to KeplerianAnomalyUtility and FieldKeplerianAnomalyUtility, deprecating the methods in KeplerianOrbit and FieldKeplerianOrbit. Incorporated Gooding and Odell algorithm for solving the hyperbolic Kepler equation.
• Added Unscented Semi-analytical Kalman Estimator.
• Added Unscented Kalman Estimator.
• Fixed documentation in BulletinAFilesLoader.
• Fixed rejection of irregular TDM PATH field.
• Added ephemeris based estimation.
• Added method to get measurement types.
• Improved AbsoluteDate.equals method with management of past and future infinity.
• Added additional state provider for covariance matrix propagation.
• Migrated all tests from JUnit4 to JUnit5.
• Added method to convert to/from an Orekit frame and a CCSDS Frame.
• Added ExtremumApproachEventDetector.
• Added constructor to AggregateBoundedPropagator for more control over which propagator is used.
• Added waypoint interpolation of PVCoordinatesProvider.
• Added method to round DateTimeComponents for custom formatting.

This version depends on Hipparchus 2.3.

11.2.1

Version 11.2.1 is a patch release of Orekit. The main changes are:

• Fixed documentation issue, RTNCovariance constructor initializes the covariance matrix with NaN.
• Fixed wrong parsing of Area_DRG and Area_SRP from CDM.
• Fixed N/A value not recognized for field MANEUVERABLE when parsing CDMs.
• Fixed negative offset when shifting an AbsoluteDate.
• Fixed internal error on DateEvent capture events in v11.1.2.

11.2

Version 11.2 is a minor release of Orekit. The main changes are:

• Added possibility to custom analytical mean parameters conversion.
• Added Hatch filters for smoothing of GNSS measurements.
• Allowed parsing of SP3 files without EOF key.
• Added writing of velocity record in CPF file writers.
• Added support for loading EOP from Sinex files.
• Raised a too stringent convergence threshold in Eackstein-Hechler model.
• Added a way to compute mean parameters in Brouwer-Lyddane model.
• Added bistatic range measurement.
• Added a way to compute mean parameters in Eckstein-Hechler model.
• Updated CCSDS ODM to latest draft version (pink book).
• Prevents zero max check intervals in maneuvers triggers detectors.
• Added detection of non-positive max check interval and threshold.
• Allow additional derivatives providers to update main state derivatives.
• Fixed indexing error when estimating a subset of orbital parameters.
• Don't loose additional derivatives when generating ephemeris.
• Fixed unexpected behavior of two tests in OrekitMessagesTest.
• Added support for parsing and writing CDM files in both KVN and XML formats.
• Added support for ITRF-2020.
• Added TDOA and bistatic range rate measurements.
• Added init method in {Field}AdditionalStateProvider.
• Added J2-contribution for relativistic clock correction.
• Allow creating Geoid without default data context.
• Added data loaders for Space Environment's JB2008 data.
• Added static method to create a BodyFacade from a CenterName.
• Added Frame.getStaticTransformTo(...) and supporting methods to improve performance.

This version depends on Hipparchus 2.1

11.1.2

Version 11.1.2 is a patch release of Orekit. The main changes are:

• Fixed missing tags in XML generation by EphemerisWriter.
• Fixed rollover in CRD parser.
• Fixed NaNs when constructing Keplerian orbit from PV computed from KeplerianOrbit.
• Fixed ephemeris generation using PropagatorParallelizer.
• Fixed event bracketing problem induced by numerical noise at end of search interval.
• Fixed ephemeris generation with several derivatives providers.
• Fixed wrong implementation of NTW LOF frame.
• Fixed eD and eY equation in ECOM2 model.
• Fixed unmanaged comment in OMM.
• Fixed unmanaged units in OMM.
• Fix StreamingOemWriter in ITRF and without optional fields.
• Fix StreamingOemWriter without acceleration.
• Fixed non-bracketing issue when RESET_STATE slightly moves an event at the start of a step and another regular event happens in the first half of the same step

This version depends on Hipparchus 2.1

11.1.1

Version 11.1.1 is a patch release of Orekit. The main changes are:

• Fix of the documentation
• Fix of parsing in Rinex 3.04 files
• Fix of parsing of SP3 files
• Take additional derivatives into account in {Field}SpacecraftState.shiftedBy

This version depends on Hipparchus 2.0

11.1

Version 11.1 is a minor release, including both new features and bug fixes. The main changes are:

• Determination of maneuver start/stop time.
• Brouwer-Lyddane model with Warren Phipps' correction for the critical inclination of 63.4° and the perturbative acceleration due to atmospheric drag.
• The Extended Semi-analytical Kalman Filter.
• A new API for State Transition Matrix and Jacobian matrices computation allowing to link the computations directly to the orbit propagator.
• Orbit determination using Eckstein-Hechler, Brouwer-Lyddane and Keplerian orbit propagators.
• Parsing of ICGEM V2.0 format.
• A lot of fixed bug in CCSDS files, TimeSpanMap, and display of dates.

This version depends on Hipparchus 2.0

11.0.2

Version 11.0.2 is a patch release of Orekit. The main changes are:

• Fix of the computation of the state transition matrix for multi satellite orbit determination based on Kalman Filter
• Fix in the parsing of CRD files
• Fix of the deserialization of TLE
• Improvements of the release guide

This version depends on Hipparchus 2.0

10.3.2

Version 10.3.2 is a patch release.

It introduces a workaround (not a fix!) for issue #857

This version depends on Hipparchus 1.8