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Starlink Group 17-15

© SpaceX

All launches
SpaceX

Starlink Group 17-15

Success

Falcon 9 Block 5
T-minus to liftoff

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HOURS

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MINUTES

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SECONDS

Mar 20, 21:51:49 UTC
StatusSuccess
VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 4E
Loading map…

Mission

A batch of 25 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

Prop Load

T-00:35:00

Stage 1 LOX 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+00:01:12

Max-Q

T+00:02:26

MECO

T+00:02:30

Stage 2 Separation

T+00:02:37

SES-1

T+00:02:59

Fairing Separation

T+00:05:59

Entry Burn Startup

T+00:06:19

Entry Burn Shutdown

T+00:07:51

Stage 1 Landing Burn

T+00:08:13

Stage 1 Landing

T+00:08:40

SECO-1

T+00:53:02

SES-2

T+00:53:03

SECO-2

T+01:01:54

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 4E
SiteVandenberg SFB, CA, USA
WindowMar 20, 21:48:00 UTC→Mar 21, 01:48:00 UTC

Vehicle

FamilyFalcon
Height70 m
Diameter3.65 m
Stages2
ReusableYes
LEO capacity22,800 kg
Track record606/607 successful
Landings593/598
Scrub riskLOW
Go90%
Q

Q's read

Weather & scrubLOW risk
Weather Go90%Wind4 ktGusts4 ktCloud80%Temp62°F

Limiting rule: No flight through cumulus cloud with top at or above the freezing level.

300% cloud cover in layer above freezing (14899 ft) — approximated

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
Apogee258 km
Perigee245 km
Period89.5 min
Inclination97.29°

Launch heading 197° · SSW from Starlink 17-15.

OrbitStarlink 17-15› conelow
1 70046U 26057A 26079.95391204 .00000000 00000-0 00000-0 0 9994
2 70046 97.2913 202.2797 0010469 271.8740 103.3985 16.08315280 01

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