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Release notes

Everything in each release of KnownX MPT, newest first.

Version 0.1.1-alpha

October 2026. The first release of KnownX MPT.

Propagation

• Point-mass gravity from several bodies at once.
• Earth zonal harmonics J2, J3 and J4.
• Atmospheric drag with a layered density profile and an atmosphere that rotates with the Earth.
• Propulsion with throttle, specific impulse and propellant use.
• Epochs in UTC, with the Earth’s rotation matched to the date.

Mission planning

• Mission sequences: timed attitude, engine and throttle steps.
• Coast and burn trajectory prediction, in 3D and on the Trajectory Map.
• Conjunction assessment: miss distance, time of closest approach and relative speed.
• The KnownX Mission Companion.

Validation

• The Validation Center: TLE import, a 72-hour benchmark against SGP4, and forward prediction scored against later element sets.
• CSV export of every report.

Scenarios and data

• Five scenario templates and the Scenario Composer.
• Scenario save and load.
• Telemetry recording and CSV export.

Licensing

• Activation with a licence key, per computer.
• Offline licence files for computers without a connection.

Installation

• A Windows installer and a portable zip.