Boeing Starliner-1 Undocking
Following the deorbit burn the capsule will renter the Earth's atmosphere and land at the 'White Sands Missile Range' using its parachutes. Location: International Space Station.
Countdown Timer - Boeing Starliner-1 Undocking
Frequently Asked Questions
There are exactly 225 days left until Boeing Starliner-1 Undocking, which is 5380 hours or 322788 minutes.
Boeing Starliner-1 Undocking will take place on Thursday, December 31, 2026 at 12:00 AM.
Use our real-time countdown to precisely track the time remaining until Boeing Starliner-1 Undocking.
Related countdowns
See more space
Starship | Flight 12
Launch by SpaceX. 12th test flight of the two-stage Starship launch vehicle. Maiden Flight of Starship V3. The flight test’s primary goal will be to demonstrate each of these new pieces in the flight environment for the first time, with each element of the Starship architecture featuring significant redesigns to enable full and rapid reuse that incorporate learnings from years of development and test. The Starship upper stage will target multiple in-space and reentry objectives, including
Solar Orbiter Venus Flyby
Solar Orbiter, a partnership between ESA and NASA, will perform a gravity assist maneuver with Venus on December 24, 2026. Throughout its mission it also makes repeated gravity assist flybys of Venus to get closer to the Sun, and to change its orbital inclination, boosting it out of the ecliptic plane, to get the best – and first – views of the Sun’s poles. Location: Venus.
US EVA-95
Two astronauts will replace a high-definition camera on camera port 3, install a new navigational aid for visiting spacecraft, called a planar reflector, on the Harmony module’s forward port, and relocate an early ammonia servicer jumper — a flexible hose assembly that connects parts of a fluid system — along with other jumpers on the station’s S6 and S4 truss. Location: International Space Station.
Hayabusa2 S-Type Asteroid (98943) Torifune Flyby
As part of its mission extension, JAXA's Hayabusa2 spacecraft will observe S-type asteroid (98943) Torifune during a high-speed fly-by. Location: (98943) Torifune.
Vega-C | Solar wind Magnetosphere Ionosphere Link Explorer (SMILE)
Launch by Avio S.p.A. Joint mission between the European Space Agency and the Chinese Academy of Sciences to investigate the interaction between Earth’s protective shield – the magnetosphere – and the supersonic solar wind. From Guiana Space Centre, French Guiana.
SNC-1 Dream Chaser Landing
The Sierra Nevada Corporation SNC-1 Dream Chaser will land autonomously at the Launch and Landing Facility of Kennedy Space Center. Location: Kennedy Space Center, FL, USA.