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Starlink Group 17-23

© SpaceX

All launches
SpaceX

Starlink Group 17-23

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 1, 10:10:39 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

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+00:01:12

Max-Q

T+00:02:24

MECO

T+00:02:28

Stage 2 Separation

T+00:02:35

SES-1

T+00:02:55

Fairing Separation

T+00:06:07

Entry Burn Startup

T+00:06:32

Entry Burn Shutdown

T+00:07:58

Stage 1 Landing Burn

T+00:08:22

Stage 1 Landing

T+00:08:39

SECO-1

T+00:53:16

SES-2

T+00:53:17

SECO-2

T+01:02:08

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 4E
SiteVandenberg SFB, CA, USA
WindowMar 1, 08:00:00 UTC→Mar 1, 12:00:00 UTC

Vehicle

FamilyFalcon
Height70 m
Diameter3.65 m
Stages2
ReusableYes
LEO capacity22,800 kg
Track record606/607 successful
Landings593/598
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
Perigee243 km
Period89.5 min
Inclination97.29°

Launch heading 197° · SSW from Starlink 17-23.

OrbitStarlink 17-23› conelow
1 70031U 26040A 26060.46717593 .00000000 00000-0 00000-0 0 9999
2 70031 97.2897 007.7828 0010719 266.7904 109.6074 16.08702980 07

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

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