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Latest Keplerian Space Discovery updates
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- Keplerian Space Discovery
Ver.2026-06-13
Launch Physics Improvements The flight dynamics calculation during launch has been changed from a rotating reference frame to numerical integration in an inertial reference frame. By giving the spacecraft the launch sit…
Patch notes7 changesFixGameplay - Keplerian Space Discovery
Monthly Report May 2026
Thank you for your continued support of “Keplerian Space Discovery.” Here is an update on our progress in May and our goals for June. May Progress One major change we made was switching the calculation of the selected s…
Patch notes1 changeGameplay - Keplerian Space Discovery
Ver.2026-05-22
We have fixed an issue where the orbital normal direction was reversed when performing an orbit-matching maneuver. We have added tooltips to the buttons on the spacecraft control panel.
Announcement2 changesFixGameplay - Keplerian Space Discovery
Ver.2026-05-16
Improvements to Part Connection During Rocket Assembly We have improved the behavior when parts connect to each other while [AUTO ASSY] is turned off. Previously, precise alignment was only possible along the green guid…
Patch notes6 changesFixGameplay - Keplerian Space Discovery
Ver.2026-05-11
・Improved coordinate calculation method when changing SOI ・Changed the display order of save slots to sort by update date and time ・Changed the display order of the launch vehicle list to sort by last launch date and ti…
Announcement3 changesGameplay - Keplerian Space Discovery
Ver.2026-05-01
1.Change to Orbit Calculation Method We have changed the calculation method for the selected spacecraft’s orbit from using Kepler’s equations to using equations of motion. As a result, orbits passing near celestial bodi…
Patch notes1 changeGameplay - Keplerian Space Discovery
Ver.2026-04-12A
We have added a [Time Skip to Next SOI] button. This fast-forwards the timeline to the point immediately before the SOI changes. However, this feature currently has room for improvement. It may sometimes skip past the e…
Announcement2 changesGameplay - Keplerian Space Discovery
Ver.2026-04-04A
Fixed an issue where the thumbnails for 7.5m/10m adapters were incorrect Changed the initial minimum altitude in launch parameters to 120 km Improved the automatic maneuver execution method Hide the apogee marker for hy…
Announcement4 changesFixGameplay - Keplerian Space Discovery
Ver.2026-03-25A
Fixed an issue where some parts remained after detaching a booster large enough to cause parts to protrude from the Interstage.
Announcement1 changeFix - Keplerian Space Discovery
Ver.2026-03-23A
Fixed an issue where automatic maneuvers might not execute
Announcement1 changeFix - Keplerian Space Discovery
Ver.2026-03-22A
Fixed an issue where the engine would fire during automatic execution even for maneuvers with Δv of 0 km/s
Announcement1 changeFix - Keplerian Space Discovery
Ver.2026-03-21B
Fixed an issue where "ABORT" a spacecraft orbiting the Sun caused an abnormal termination.
Announcement1 changeFix - Keplerian Space Discovery
Ver.2026-03-21A
We have ensured that the stage automatically detaches even while a maneuver is in progress.
Announcement - Keplerian Space Discovery
Hotfix2026-03-20A
Fixed an issue where the rocket would assume an abnormal attitude when attempting to launch a rocket without an engine on the first stage Fixed an issue that occurred when boosters were attached to the second stage or l…
Announcement2 changesFix - Keplerian Space Discovery
Hotfix2026-03-19A
Fixed an issue where unintended re-entry effects could occur
Announcement1 changeFix - Keplerian Space Discovery
Hotfix2026-03-18A
Fixed an issue where the text color for the condition “Fly to an altitude of 5km or more” did not change in the Maximum Dynamic Pressure contract. Fixed an issue where a dialog prompting the user to press CTRL+END remai…
Announcement3 changesFixGameplay


