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Link to the parts and general rewrite to a cleaner style

This page is a “test” for a new system, that each version gets its own page. You can contribute on the talk page

Version 0.23.5 was released on April 1st 2014 (This made many users speculate on whether it was an April Fool's prank). Officially this version is called Asteroid Redirect Mission and the version number is largely only for housekeeping.[1] In a previous article by HarvesteR the version was advertised as 0.23.10 but eventually changed to 0.23.5. Originally the version after the prior version (0.23) should be 0.24, but because of the complexity and the announcement that NASA was working with Squad the release of the Asteroid Redirect Mission was separated into this version.


New SLS-styled parts

Because this version was developed in cooperation with NASA, there are several parts which are similar to the Space Launch System currently developed by NASA. It also contains the first safety launch escape system and is one safety feature which is usually absent from updates.

New part joints

  • Large parts feature a new system that allows them to attach much more rigidly to other parts, eliminating many cases where spamming struts was required.
  • Increased PhysX's global max angular velocity settings to improve joint stability.
  • Angular inertia values for parts now properly scale with mass. Some ships may feel heavier to fly now, but handling feels much more realistic overall. This also improves joint stability a lot.
  • Re-did the Strut Connector joints as well, to use the new joints system instead of their old ones. This dramatically improved their reliability and significantly reduced the number of ocurrences where ships spontaneously disassemble themselves on the launchpad.

New features

  • Added new buttons to the Map Filtering panel to filter Unknown and SpaceObject type vessels.
  • Focusing vessels on the Tracking Station will now display their patched conics trajectory.
  • Added Time Warp controls to the Tracking Station and Space Center scenes.
  • Added a button to the Time quadrant in the main flight UI to allow switching betwen Mission Time and Universal Time.
  • Targeted vessels now display their trajectories as patched conics instead of single orbits.
  • Maneuver nodes are now persistent.
  • Targeted Objects are now persistent.
  • Added buttons to discard/accept maneuvers on the delta-v gauge by the navball.
  • Added buttons to add/remove an orbit to the date of a maneuver node, allowing nodes to be planned for several orbits ahead.
  • Maneuver handles can now be fine-tweaked with the mousewheel when hovering over them.
  • Monopropellant and xenon gas containers on earlier stages are now drained before containers on later stages.
  • Celestial Bodies now show a 'Focus View' button on their context menus in Map View.

Bug Fixes and Tweaks

  • Celestial bodies you have an encounter patch with will display that patch in local mode when they are focused on the Map View or Tracking Station.
  • Switching between Linear and Rotation controls in Docking UI mode no longer toggles SAS.
  • Fixed a bug where patched conics on extremely eccentric orbits could break the simulation at very high warp speeds.
  • Fixed incorrect rendering of ascending and descending nodes when targeting a non-closed orbit.
  • Fixed a bug where targeting an object on a hyperbolic orbit wouldn't display rendezvous information on the map.
  • Tweaked the thrust and Isp values of Ion Engines and the two tiny rocket engines. All were severely underpowered to be of any practical use.
  • Quicksaving is now allowed at all times. In unstable situations, an autosave won't be created at the same time.
  • Greatly improved the accuracy of the physics->rails transition, eliminating drift on nearby vessels when warping during a rendezvous situation, especially high-velocity ones.
  • The Map Filtering buttons now toggle independently on left click, and toggle single/all on right click.
  • Fixed several cases where Kerbals on EVA would glitch out in very painful ways, mostly when the game changed reference frames while they were in ragdoll state.
  • Intersection nodes between orbits no longer 'skip' the closest intersection when placing a maneuver node near the player's position.

New bugs

Asteroid Redirect Mission

Unlike previous versions of the game, this version is officially called Asteroid Redirect Mission. It was usually announced as a mod pack or expansion pack, but in the end it contained so many ground breaking changes that it is considered a usual version update.[1][3][4][5] The redirect mission consists of approaching a asteroid and either capturing in Kerbin's orbit or simply preventing the asteroid from hitting Kerbin by altering it's orbit.


  1. 1.0 1.1 Kerbal Space Program: Asteroid Redirect Mission - The FAQ” released by Rowsdower on March 15th
  2. http://forum.kerbalspaceprogram.com/threads/74439-The-Grand-0-23-5-Discussion-Thread?p=1057302&viewfull=1#post1057302
  3. To the Mun and back: Kerbal Space Program” by Charlie Hall published on January 27, 2014
  4. Devnote Tuesdays: The "Almost Forgot to Title This Post" Edition” on the forum released on January 28th
  5. Devnote Tuesdays: The “Work on ALL the Things” Edition” on the dev blog released on February 18th