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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.