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Starlink Group 17-40

© SpaceX

All launches
SpaceX

Starlink Group 17-40

Success

Falcon 9 Block 5
T-minus to liftoff

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HOURS

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MINUTES

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SECONDS

Jun 28, 16:09:18 UTC
StatusSuccess
VehicleFalcon 9 Block 5
OrbitSun-Synchronous Orbit
PadSpace Launch Complex 4E
Loading map…

Mission

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Launch Timeline

Countdown

T-00:38:00

GO for Prop Load

T-00:35:00

Stage 1 LOX Load

T-00:35:00

Prop Load

T-00:16:00

Stage 2 LOX Load

T-00:07:00

Engine Chill

T-00:01:00

Startup

T-00:01:00

Tank Press

T-00:00:45

GO for Launch

T-00:00:03

Ignition

In-flight

T+00:00:00

Liftoff

T+00:01:08

Max-Q

T+00:02:26

MECO

T+00:02:29

Stage 2 Separation

T+00:02:36

SES-1

T+00:02:57

Fairing Separation

T+00:05:59

Entry Burn Startup

T+00:06:22

Entry Burn Shutdown

T+00:07:55

Stage 1 Landing Burn

T+00:08:18

Stage 1 Landing

T+00:08:40

SECO-1

T+00:52:39

SES-2

T+00:52:40

SECO-2

T+01:01:30

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5
OrbitSun-Synchronous Orbit
PadSpace Launch Complex 4E
SiteVandenberg SFB, CA, USA
WindowJun 28, 14:00:00 UTC→Jun 28, 18:00:00 UTC

Vehicle

FamilyFalcon
Height70 m
Diameter3.65 m
Stages2
ReusableYes
LEO capacity22,800 kg
Track record603/604 successful
Landings590/595
Acquiring satellite view…
General trajectory
Space Launch Complex 4E
Vandenberg SFB, CA, USA
Launching
South
197° · SSW
34.632, -120.611

Orbital elements (TLE)

Orbit
Apogee272 km
Perigee257 km
Period89.8 min
Inclination97.29°

Launch heading 197° · SSW from Starlink 17-40.

OrbitStarlink 17-40› conehigh
1 70128U 26147A 26179.71593750 .00000000 00000-0 00000-0 0 9990
2 70128 97.2901 214.9770 0010930 275.6583 098.5051 16.03625037 08

Pre-launch TLEs from Dillon's Space Page. Estimated before flight — the real orbit is confirmed post-launch.

Scrub riskLOW
Go89%
Q

Q's read

Weather & scrubLOW risk
Weather Go89%Wind9 ktGusts9 ktCloud100%Temp57°F