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Launch detail

Falcon 9 Block 5 | Starlink Group 11-16

Name: Falcon 9 Block 5 | Starlink Group 11-16
Start: 2025-05-23T20:36:00.000Z
End: 2025-05-24T00:36:00.000Z
Location: Space Launch Complex 4E

SpaceX • Falcon 9 Block 5 • Space Launch Complex 4E (CA)

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SuccessROUTINE

Starlink Group 11-16

SpaceX • Falcon 9 Block 5 • SLC-4E

T- countdown

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Rocket profile

Falcon 9 Block 5

Variant: Block 5

Length: 70 m

Diameter: 3.65 m

Reusable: Yes

Launch

Photo credit: SpaceX•License: CC BY-NC 2.0

Manufacturer

Milestone map

Flight plan

Live targets are highlighted across the sequence.

T-38:00May 23, 2025, 2:54 PM PDT
GO for Prop Load
Launch director verifies go for propellant load
T-35:00May 23, 2025, 2:57 PM PDT
Prop Load
Start of propelland loading
T-35:00May 23, 2025, 2:57 PM PDT
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
T-16:00May 23, 2025, 3:16 PM PDT
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
T-7:00May 23, 2025, 3:25 PM PDT
Engine Chill
Start of engine chilling
T-1:00May 23, 2025, 3:31 PM PDT
Startup
The onboard computer takes control over the countdown and runs last checks
T-1:00May 23, 2025, 3:31 PM PDT
Tank Press
Fuel tanks are pressurized to flight levels
T-0:45May 23, 2025, 3:31 PM PDT
GO for Launch
Launch director verifies go for launch
T-0:03May 23, 2025, 3:32 PM PDT
Ignition
Start of the engine ignition sequence
T+0:00May 23, 2025, 3:32 PM PDT
Liftoff
First upwards movement of the rocket
T+1:06May 23, 2025, 3:33 PM PDT
Max-Q
Maximum dynamic pressure
T+2:24May 23, 2025, 3:34 PM PDT
MECO
Cut-off of the main engine
T+2:28May 23, 2025, 3:34 PM PDT
Stage 2 Separation
Separation of the second stage from the first
T+2:35May 23, 2025, 3:34 PM PDT
SES-1
First start of the second engine
T+2:55May 23, 2025, 3:35 PM PDT
Fairing Separation
Separation of the payload fairing
T+6:03May 23, 2025, 3:38 PM PDT
Entry Burn Startup
Start of the atmospheric entry burn
T+6:27May 23, 2025, 3:38 PM PDT
Entry Burn Shutdown
End of the atmospheric entry burn
T+7:48May 23, 2025, 3:40 PM PDT
Stage 1 Landing Burn
Start of the first stage landing burn
T+8:13May 23, 2025, 3:40 PM PDT
Stage 1 Landing
Landing of the first stage
T+8:38May 23, 2025, 3:40 PM PDT
SECO-1
First cut-off of the second engine
T+53:49May 23, 2025, 4:26 PM PDT
SES-2
Second start of the second engine
T+53:50May 23, 2025, 4:26 PM PDT
SECO-2
Second cut-off of the second engine
T+1:00:42May 23, 2025, 4:33 PM PDT
Starlink Deployment
Deployment of the Starlink stack from the rocket

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Vehicle details

Stages & recovery

Launch-stage and landing context surfaced from LL2 when it exists.

Presence based

First stage

B1075

active

Tracked flights: 22

1 in 2026

First flight: Jan 19, 2023

Last mission: Apr 27, 2026, 2:21 PM UTC

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.

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Vehicle timeline

Falcon 9 Block 5 launches across time.

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Quick turnaround: 3 days

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Launch news

Linked via Spaceflight News API (SNAPI).

2 items

Article

Spaceflight NowMay 23, 2025

Live coverage: SpaceX to launch West Coast Falcon 9 with Starlink satellites

If all goes well, this will be SpaceX’s 450th Falcon booster landing. Liftoff from pad 4 East is targeted for 1:36 p.m. PDT (4:36 p.m. EDT, 2036 UTC).

By Will Robinson-Smith

Article

NASASpaceflightMay 19, 2025

Launch Roundup: SpaceX to start new Starlink shell; China, Russia to launch unknown payloads

This week, SpaceX will begin building a new shell for its Starlink constellation, launching from… The post Launch Roundup: SpaceX to start new Starlink shel...

By John Sharp

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Launch info

Provider

SpaceX

Vehicle

Falcon 9 Block 5

Pad

Space Launch Complex 4E (SLC-4E)

State

NET

2025-05-23T22:32:20+00:00

Window start

2025-05-23T20:36:00+00:00

Window end

2025-05-24T00:36:00+00:00

Orbit

Low Earth Orbit

Mission type

Communications

Launch site

Vandenberg SFB, CA, USA

Reusable

Yes

LEO capacity (kg)

22800

GTO capacity (kg)

8300

Pad satellite view

Open the launch pad in Google Maps satellite mode using the pad coordinates.

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Satellite preview

Space Launch Complex 4E

Tap to open the pad in Google Maps satellite view.

Vandenberg SFB, CA, USA • CA34.63200, -120.61100Provider map

Starlink Group 11-16

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.

Rocket

Falcon 9 Block 5

Manufacturer: SpaceX

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.

Maiden flight

2018-05-11

Launch mass (t)

549

Launch cost

52000000

Vehicle info Vehicle wiki

Links & sources

Watch coverageLive/Replay Trajectory (FlightClub)Trajectory Pad satellite mapSatellite Rocket infoVehicle Rocket wikiReference SpaceXwww.spacex.com SpaceX Starlink Group 11-16Unofficial Re-stream SpaceX - Falcon 9 - Starlink 11-16 - SLC-4E - Vandenberg SFB - May 23, 2025Unofficial Re-stream Watch live: West Coast Falcon 9 rocket to launch SpaceX Starlink satellitesUnofficial Webcast Starlink MissionOfficial Webcast

Service provider

SpaceX

Provider news

Commercial • USA

Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX operates from many pads, on the East Coast of the US they operate from SLC-40 at Cape Canaveral Space Force Station and historic LC-39A at Kennedy Space Center. They also operate from SLC-4E at Vandenberg Space Force Base, California, usually for polar launches. Another launch site is being developed at Boca Chica, Texas.

Programs

Starlink
Communication Constellation
Starlink is a satellite internet constellation operated by American aerospace company SpaceX
Program info Program wiki

Objects from this launch

27 objects

SATCAT inventory for 2025-110

Last checked: 2026-04-08T00:11:00.746+00:00

Last success: 2026-04-08T00:11:00.746+00:00

Last non-empty: 2026-04-08T00:11:00.746+00:00

Latest snapshot: 2026-04-08T00:11:00.746+00:00

Snapshot hash: 2ee39cf0a418188b17d58fa2561aa61f4af7bda619db1dfd2c35cf4a95a79fbb

LL2 payloads: 0SATCAT payloads: 27Delta: +27RB: 0DEB: 0UNK: 0

Open SATCAT inventory

Orbit enrichment loads on demand when this section opens.

SATCAT payload objects

STARLINK-34178
2025-110ANORAD 64096PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34151
2025-110AANORAD 64120PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34189
2025-110ABNORAD 64121PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-33991
2025-110ACNORAD 64122PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34174
2025-110BNORAD 64097PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34146
2025-110CNORAD 64098PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-34074
2025-110DNORAD 64099PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34082
2025-110ENORAD 64100PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
474 km → 476 km
STARLINK-34072
2025-110FNORAD 64101PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-34104
2025-110GNORAD 64102PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 475 km
STARLINK-34179
2025-110HNORAD 64103PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34176
2025-110JNORAD 64104PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-33949
2025-110KNORAD 64105PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-33970
2025-110LNORAD 64106PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-33912
2025-110MNORAD 64107PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34156
2025-110NNORAD 64108PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34124
2025-110PNORAD 64109PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34145
2025-110QNORAD 64110PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34148
2025-110RNORAD 64111PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34136
2025-110SNORAD 64112PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-33839
2025-110TNORAD 64113PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34064
2025-110UNORAD 64114PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-34067
2025-110VNORAD 64115PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.11 min
Inc: 53.2°
475 km → 476 km
STARLINK-34080
2025-110WNORAD 64116PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
474 km → 476 km
STARLINK-34122
2025-110XNORAD 64117PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-33964
2025-110YNORAD 64118PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km
STARLINK-34160
2025-110ZNORAD 64119PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFWTRPeriod: 94.10 min
Inc: 53.2°
475 km → 476 km

Mission agencies

SpaceXCommercial

Change log

Launch update history

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Detected

Summary

Details

Update 1

NET updated

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Update 2

Status changed

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Update 3

Window refined

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Launch story

Mission stats

Provider, rocket, pad, and booster history tied to this launch.

2026 snapshot

Provider legacy

SpaceX

512

Lifetime launches

63 in 2026

SpaceX has 512 launches on record, with 63 in 2026.

Rocket track record

Falcon 9 Block 5

573

Successful missions

48 in 2026

Falcon 9 Block 5 has 573 successful missions on record, with 48 in 2026.

Pad history

Space Launch Complex 4E

194

Pad launches

20 in 2026

Space Launch Complex 4E has 194 launches from this pad on record, with 20 in 2026.

Rocket reliability

100% all time

2026: 100% (48/48)

Pad turnaround

7d 8h

Reported pad reuse cadence.

Booster story

First-stage boosters

Core-level mission cadence associated with this launch.

1 core

Core history

B1075

Total missions

1 in 2026

active. Flight proven. Tracked 22 missions.First flight: Jan 19, 2023Last mission: Apr 27, 2026, 2:21 PM UTC

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Chrono-Helix

Vehicle timeline

Falcon 9 Block 5 launches across time.

Drag, scroll, or use arrow keys.

Quick turnaround: 3 days

Past below / Future above