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What’s new

The highlights of KnownX MPT 0.1.1-alpha.

Version 0.1.1-alpha. October 2026. The first release of KnownX MPT.

Propagation for Low Earth Orbit

Gravity from several bodies, the Earth’s J2, J3 and J4 terms, atmospheric drag and propulsion, in one force model. Read the topic

Mission sequences

Script timed attitude, engine and throttle steps, and watch them run on the Mission Timeline. Read the topic

Conjunction assessment

Miss distance, time of closest approach and relative speed, recalculated as you change the plan. Read the topic

KnownX Mission Companion

A built-in AI assistant that reads the open mission, answers questions and prepares changes for you to review. Read the topic

Choose your site

Select the launch Site for missions, and experience the full power of KnownX MPT. Read the topic

Validation Center

Import a TLE and compare KnownX with SGP4, or score forward predictions against later published elements. Read the topic

Get this version

Installers for this and earlier versions are on the download page.

Everything in this release

The complete list is in the release notes.