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Mission
A batch of 27 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
Falcon 9 will launch Starlink 15-18 from Space Launch Complex 4E (SLC-4E) at Vandenberg Space Force Base in California. Following stage separation, the first stage will land on the Of Course I Still Love You droneship, about 574 km downrange.
- Liftoff
- Tue 21:31 PDT at the pad
- Window
- – 4 h
- Rocket
- Falcon 9 Block 5SpaceX
- Destination
- Low Earth Orbit
- Launch site
- Space Launch Complex 4E, Vandenberg, California68th launch from this pad in 20263 days after the last
- Latest update
- Added launch.
1h1min
Mission duration
18th
Flight of B1093
574km
Downrange landing, OCISLY
124th
SpaceX launch of 2026
Countdown
All times approximate, in your time zone (CEST)Timeline: The Space Devs
- T minus 38 minutesGO for Prop Load
- T minus 35 minutesProp Load
- T minus 35 minutesStage 1 LOX Load
- T minus 16 minutesStage 2 LOX Load
- T minus 7 minutesEngine Chill
- T minus 1 minuteTank Press
- T minus 1 minuteStartup
- T minus 45 secondsGO for Launch
- T minus 3 secondsIgnition
Flight
From liftoff to orbit
- SLC-4E
- OCISLY574 km downrange
- LiftoffT+00:00:00
- Max QT+00:01:08
- Stage separationT+00:02:29
- FairingT+00:02:58
- LandingT+00:08:20
- SECOT+00:08:39
- Starlink deployT+01:01:59
- SLC-4E
- OCISLY574 km downrange
- LiftoffT+00:00:00
- Stage separationT+00:02:29
- LandingT+00:08:20
- Starlink deployT+01:01:59
- SLC-4E
- OCISLY574 km downrange
- LiftoffT+00:00:00
- Max QT+00:01:08
- Stage separationT+00:02:29
- FairingT+00:02:58
- LandingT+00:08:20
- Starlink deployT+01:01:59
1 h 1 min from liftoffin your time zone (CEST)
- T plus 0 secondsLiftoff
- T plus 1 minute 8 secondsMax Q
- T plus 2 minutes 26 secondsMECO
- T plus 2 minutes 29 secondsStage 2 Separation
- T plus 2 minutes 36 secondsSES-1, 2nd stage
- T plus 2 minutes 58 secondsFairing Separation, 2nd stage
- T plus 6 minutes 1 secondEntry Burn Startup, 1st stage
- T plus 6 minutes 24 secondsEntry Burn Shutdown, 1st stage
- T plus 7 minutes 58 secondsStage 1 Landing Burn
- T plus 8 minutes 20 secondsStage 1 Landing
- T plus 8 minutes 39 secondsSECO-1, 2nd stage
- T plus 53 minutes 7 secondsSES-2, 2nd stage
- T plus 53 minutes 8 secondsSECO-2, 2nd stage
- T plus 1 hour 1 minuteStarlink Deployment, Payload
Falcon 9 Block 5
SpaceXReusable640 launches since May 2018, 639 successful
Drag or use the arrow keys to turn it. Home resets the view.
- BoosterB1093most recently launched Starlink 15-27
About Falcon 9 Block 5
Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.
70m
Height
3.7m
Diameter
549t
Mass at liftoff
7.6MN
Thrust at liftoff
23t
Payload to low Earth orbit
8.3t
Payload to geostationary transfer orbit
Orbit estimated from CelesTrak’s elementsMeasured trackSpaceX’s predicted path
In orbit now
The crewed stations and Hubble, once around the Earth every 92 to 94 minutes
| Spacecraft | Altitude | Speed |
|---|---|---|
| ISSDocked: Soyuz MS-29, Crew-13In sunlight | 428km | 27,567km/h |
| TiangongDocked: Shenzhou-23In sunlight | 385km | 27,654km/h |
| Shenzhou-23In sunlight | 385km | 27,654km/h |
| Soyuz MS-29In sunlight | 428km | 27,567km/h |
| Crew-13In sunlight | 428km | 27,567km/h |
| HubbleIn Earth’s shadow | 467km | 27,500km/h |
Estimated for from CelesTrak’s orbital elements, up to 32 h old.



