Space
Rocket launches, dockings, eclipses and solar events: follow the countdown to the next milestones in space exploration and astronomy.
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Falcon Heavy | NROL-97
Launch by SpaceX. Classified payload for the US National Reconnaissance Office. From Kennedy Space Center, FL, USA.
Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A
Launch by SpaceX. Tranche 1 Transport Layer A is one of six missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Space Architecture (PWSA) Tranche 1 Transport Layer constellation, which will provide assured, resilient, low-latency military data and connectivity worldwide to the full range of warfighter platforms from Low Earth Orbit satellites. The constellation will be interconnected with Optical Inter-Satellite Links (OISLs) which have sig
SpaceX Crew-12 Crew Dragon Undocking
The Crew-12 Crew Dragon will undock from the International Space Station, carrying four astronauts. It will then reenter the Earth's atmosphere and splashdown in the Pacific Ocean. Location: International Space Station.
Nuri | NeonSat-2 to 6
Launch by Korea Aerospace Research Institute. NeonSat-2 to 6 are part of the South Korean government's Earth observation micro-satellite constellation NeonSat (New-space Earth Observation Satellite). The NeonSat constellation is the first satellite system developed by the government using a mass-production approach for precise monitoring of the Korean Peninsula. From Naro Space Center, South Korea.
NG-24 Cygnus Release
The Northrop Grumman NG-24 Cygnus will be unberthed from the ISS before initiating a destructive reentry into the Earth's atmosphere taking waste along with it. Location: International Space Station.
Long March 12 | Unknown Payload
Launch by China Aerospace Science and Technology Corporation. Details TBD. From Wenchang Space Launch Site, People's Republic of China.
Falcon 9 Block 5 | Starlink Group 15-25
Launch by SpaceX. A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system. From Vandenberg SFB, CA, USA.
Falcon 9 Block 5 | Dragon CRS-2 SpX-35
Launch by SpaceX. 35th commercial resupply services mission to the International Space Station operated by SpaceX. The flight will be conducted under the second Commercial Resupply Services contract with NASA. Cargo Dragon 2 brings supplies and payloads, including critical materials to directly support science and research investigations that occur onboard the orbiting laboratory. From Cape Canaveral SFS, FL, USA.
SpaceX CRS-35 Dragon Docking
Following its launch atop a Falcon 9, the CRS-35 Dragon will autonomously dock to the ISS, bringing crew supplies as well as experiments. Location: International Space Station.
H3-24 | Martian Moon eXplorer (MMX)
Launch by Mitsubishi Heavy Industries. MMX is a Japanese scientific mission to land on Phobos, one of the two moons of Mars, to collect samples before bringing them back to Earth. The mission includes a small French/German rover to explore the surface of Phobos. From Tanegashima Space Center, Japan.
Next Full Moon
Live countdown to the next full moon, computed from the real lunar cycle rather than an approximate date. Personalise it and share it.
BepiColombo Mercury Orbit Insertion
Orbital insertion around Mercury of the ESA-JAXA BepiColombo mission. Location: Mercury.
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.
Europa Clipper Earth Flyby
NASA’s Europa Clipper will fly by Earth for a second and final gravity assist on its way to Jupiter. Location: Earth.
Boeing Starliner-1 Docking
The Starliner-1 spacecraft will dock autonomously to the International Space Station, carrying four astronauts to the International Space Station. Location: International Space Station.
Boeing Starliner-1 Landing
Following its deorbit burn, the Boeing CST-100 Starliner will reenter the Earth's atmosphere and land at the White Sands Missile Range using its parachutes. Location: White Sands Missile Range.
Boeing Starliner-1 Undocking
The Boeing CST-100 Starliner will undock from the International Space Station and conduct a deorbit burn as part of its first operational mission. 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.
SNC-1 Dream Chaser Berthing
NASA TV will livestream the rendezvous and capture of Sierra Nevada Corporation's Dream Chaser cargo craft to the International Space Station. Location: International Space Station.
SNC-1 Dream Chaser Release & Reentry
The Sierra Nevada Corporation SNC-1 Dream Chaser will be unberthed from the ISS before re-entering the Earth's atmosphere and landing at Kennedy Space Center. Location: International Space Station.
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.
Lucy Trojan Asteroid (3548) Eurybates & Queta Flyby
Flyby of the Trojan asteroid (3548) Eurybates and its satellite Queta by NASA's Lucy mission. Location: (3548) Eurybates.
Lucy Trojan Asteroid (15094) Polymele Flyby
Flyby of the Trojan asteroid (15094) Polymele by NASA's Lucy mission. Location: (15094) Polymele.
Upcoming events in Space
Free countdown timers for every Space event. Track the most anticipated dates in real time, embed any countdown on your website or share it in one click.
This page features 22 active countdowns in the Space category. Each timer is updated in real time so you can precisely track the time remaining before each event.
Among the most anticipated events, you'll find: Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A, SpaceX Crew-12 Crew Dragon Undocking, Nuri | NeonSat-2 to 6, NG-24 Cygnus Release, Long March 12 | Unknown Payload.
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Frequently asked questions about Space
There are currently 22 active countdowns in the Space category on WatchIsUp. Each timer is updated in real time.
The next Space event is "Falcon 9 Block 5 | SDA Tranche 1 Transport Layer A" scheduled for Monday, October 5, 2026. Check our category page to see all upcoming events.
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