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Starlink Group 9-17

© SpaceX

All launches
SpaceX

Starlink Group 9-17

Success

Falcon 9 Block 5
T-minus to liftoff

-

00

HOURS

:

00

MINUTES

:

00

SECONDS

Sep 20, 13:50:00 UTC
StatusSuccess
VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 4E
Loading map…

Mission

A batch of 20 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+00:01:09

Max-Q

T+00:02:29

MECO

T+00:02:32

Stage 2 Separation

T+00:02:39

SES-1

T+00:03:08

Fairing Separation

T+00:06:01

Entry Burn Startup

T+00:06:24

Entry Burn Shutdown

T+00:07:52

Stage 1 Landing Burn

T+00:08:18

Stage 1 Landing

T+00:08:47

SECO-1

T+00:53:42

SES-2

T+00:53:43

SECO-2

T+01:00:35

Starlink Deployment

Quick facts

VehicleFalcon 9 Block 5
OrbitLow Earth Orbit
PadSpace Launch Complex 4E
SiteVandenberg SFB, CA, USA
WindowSep 20, 13:50:00 UTC→Sep 20, 14:04:00 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)

4 element sets
Orbit
Apogee262 km
Perigee246 km
Period89.6 min
Inclination97.29°

Launch heading 197° · SSW from Starlink 17-30.

OrbitStarlink 17-20low
1 70012U 26016A 26025.77269676 .00033015 00000-0 41372-4 0 9993
2 70012 97.2906 083.6243 0011020 270.6608 105.6107 16.07501555 09
OrbitStarlink 17-30› conelow
1 70010U 26014A 26022.15890046 .00019681 00000-0 24737-4 0 9998
2 70010 97.2886 219.0247 0011767 278.0041 099.2576 16.07439173 08
OrbitStarlink 17-32low
1 70017U 26022A 26033.70087963 .00000000 00000-0 00000-0 0 9991
2 70017 97.2910 065.5700 0011972 279.6700 096.0399 16.07517952 08
OrbitStarlink 17-33high
1 70018U 26999A 26038.91695602 .00000000 00000-0 00000-0 0 9998
2 70018 97.2910 148.4987 0011972 279.6700 096.0399 16.07517952 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

Jellyfish potentialMap & details →

Vivid

Reusable Hardware

All boosters →
First Stage · Flight-provenB1075
active13th flight
Flights22
Landings22/22100%
Fastest turn24d 17h
Recovered · ASDS · OCISLY· 627 km downrange
34d 18h since last flight

Falcon 9 Block 5 booster first used for the Starlink Group 2-4 mission. Converted to a Falcon Heavy booster in 2026 after 21 launches.

Previous flights · 21
  1. #22ViaSat-3 F3 (ViaSat-3 Asia-Pacific)+188d 23hLZ-40Apr 29, 2026
  2. #21Starlink Group 11-5+45d 20hOCISLYOct 22, 2025
  3. #20Starlink Group 17-9+41d 13hOCISLYSep 6, 2025
  4. #19Starlink Group 17-2+64d 5hOCISLYJul 27, 2025
  5. #18Starlink Group 11-16+110d 23hOCISLYMay 23, 2025