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Launch detail

Falcon 9 Block 5 | Amazon Leo (KF-02)

Name: Falcon 9 Block 5 | Amazon Leo (KF-02)
Start: 2025-08-11T12:35:00.000Z
End: 2025-08-11T13:02:00.000Z
Location: Space Launch Complex 40

SpaceX • Falcon 9 Block 5 • Space Launch Complex 40 (FL)

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SuccessROUTINE

Amazon Leo (KF-02)

SpaceX • Falcon 9 Block 5 • SLC-40

T- countdown

Second of a three launches contract for Amazon's Kuiper low Earth orbit satellite internet constellation, with 24 satellites on board. Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, this constellation will be managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,276 satellites. The satellites are projected to be placed in 98 orbital planes in three orbital layers, one at 590 km, 610 km and 630 km altitude.

Rocket profile

Falcon 9 Block 5

Variant: Block 5

Length: 70 m

Diameter: 3.65 m

Reusable: Yes

Launch

Photo credit: SpaceX•License: Unknown•Single-use

Manufacturer

Milestone map

Flight plan

Live targets are highlighted across the sequence.

T-38:00Aug 11, 2025, 7:57 AM EDT
GO for Prop Load
Launch director verifies go for propellant load
T-35:00Aug 11, 2025, 8:00 AM EDT
Prop Load
Start of propelland loading
T-35:00Aug 11, 2025, 8:00 AM EDT
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
T-16:00Aug 11, 2025, 8:19 AM EDT
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
T-7:00Aug 11, 2025, 8:28 AM EDT
Engine Chill
Start of engine chilling
T-1:00Aug 11, 2025, 8:34 AM EDT
Startup
The onboard computer takes control over the countdown and runs last checks
T-1:00Aug 11, 2025, 8:34 AM EDT
Tank Press
Fuel tanks are pressurized to flight levels
T-0:45Aug 11, 2025, 8:34 AM EDT
GO for Launch
Launch director verifies go for launch
T-0:03Aug 11, 2025, 8:34 AM EDT
Ignition
Start of the engine ignition sequence
T+0:00Aug 11, 2025, 8:35 AM EDT
Liftoff
First upwards movement of the rocket
T+1:12Aug 11, 2025, 8:36 AM EDT
Max-Q
Maximum dynamic pressure
T+2:25Aug 11, 2025, 8:37 AM EDT
MECO
Cut-off of the main engine
T+2:29Aug 11, 2025, 8:37 AM EDT
Stage 2 Separation
Separation of the second stage from the first
T+2:37Aug 11, 2025, 8:37 AM EDT
SES-1
First start of the second engine
T+3:30Aug 11, 2025, 8:38 AM EDT
Fairing Separation
Separation of the payload fairing
T+6:01Aug 11, 2025, 8:41 AM EDT
Entry Burn Startup
Start of the atmospheric entry burn
T+6:27Aug 11, 2025, 8:41 AM EDT
Entry Burn Shutdown
End of the atmospheric entry burn
T+7:42Aug 11, 2025, 8:42 AM EDT
Stage 1 Landing Burn
Start of the first stage landing burn
T+8:13Aug 11, 2025, 8:43 AM EDT
Stage 1 Landing
Landing of the first stage
T+8:31Aug 11, 2025, 8:43 AM EDT
SECO-1
First cut-off of the second engine
T+52:43Aug 11, 2025, 9:27 AM EDT
SES-2
Second start of the second engine
T+52:46Aug 11, 2025, 9:27 AM EDT
SECO-2
Second cut-off of the second engine
T+56:18Aug 11, 2025, 9:31 AM EDT
Payload Deployment Sequence Start
Start of the payload deployment sequence
T+1:03:58Aug 11, 2025, 9:38 AM EDT
Payload Deployment Sequence End
End of the payload deployment sequence.

Weather

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Ground conditions

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Vehicle details

Stages & recovery

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

Presence based

First stage

B1091

active

Tracked flights: 3

0 in 2026

First flight: Aug 11, 2025

Last mission: Nov 02, 2025, 5:09 AM UTC

Planned Falcon Heavy center core stage that will first be used as a Falcon 9 first stage booster for several launches.

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Vehicle timeline

Falcon 9 Block 5 launches across time.

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Quick turnaround: 7 days

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Related coverage

Launch news

Linked via Spaceflight News API (SNAPI).

7 items

Article

NASASpaceflightAug 12, 2025

B1091 “A Heavy Core in Falcon 9 Clothing”

SpaceX’s recent launch involved another successful landing of its Falcon 9 booster, but this time… The post B1091 “A Heavy Core in Falcon 9 Clothing” appear...

By Ryan Caton

Article

Spaceflight NowAug 10, 2025

Live Coverage: SpaceX Falcon 9 to make another attempt to launch Amazon Project Kuiper mission

Liftoff from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida is scheduled for 8:57 a.m. EDT (1257 UTC), after three earlier attempts...

By Spaceflight Now

Article

Spaceflight NowAug 6, 2025

Live coverage: SpaceX to launch 24 Amazon Project Kuiper satellites on Falcon 9 rocket from Cape Canaveral

The mission, dubbed KF-02, is the fourth flight to date of Project Kuiper satellites. Liftoff from pad 40 at Cape Canaveral Space Force Station is scheduled...

By Will Robinson-Smith

Article

NASASpaceflightAug 4, 2025

Launch Roundup: Vulcan and Electron to launch between Falcon 9 missions

Four rockets are scheduled to launch from the U.S. this week. SpaceX is planning to… The post Launch Roundup: Vulcan and Electron to launch between Falcon 9...

By John Sharp

Article

SpaceNewsDec 1, 2023

Amazon adds Falcon 9 to multi-billion-dollar Project Kuiper launch campaign

Amazon has signed a contract with SpaceX to launch an unspecified number of satellites for its Project Kuiper broadband constellation on three Falcon 9 rocke...

Article

CNBCDec 1, 2023

Amazon buys SpaceX rocket launches for Kuiper satellite internet project

Amazon bought three rocket launches from SpaceX for its Project Kuiper internet satellites, the tech giant announced on Friday.

+1 more coverage links available.

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Launch info

Provider

SpaceX

Vehicle

Falcon 9 Block 5

Pad

Space Launch Complex 40 (SLC-40)

State

NET

2025-08-11T12:35:00+00:00

Window start

2025-08-11T12:35:00+00:00

Window end

2025-08-11T13:02:00+00:00

Orbit

Low Earth Orbit

Mission type

Communications

Launch site

Cape Canaveral SFS, FL, 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.

Open in Google Maps

Satellite preview

Space Launch Complex 40

Tap to open the pad in Google Maps satellite view.

Cape Canaveral SFS, FL, USA • FL28.56194, -80.57736Provider map

Amazon Leo (KF-02)

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 Project Kuiper (KF-02)Unofficial Re-stream SpaceX - Falcon 9 - KF-02 (Project Kuiper) - SLC-40 - CCSFS - August 11, 2025Unofficial Re-stream Watch live: SpaceX Falcon 9 rocket launches satellites for Amazon's Project Kuiper internet serviceUnofficial Webcast 🚀 SpaceX Falcon 9 Launches Project Kuiper (KF-02)Unofficial Webcast KF-02 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

Amazon Leo
Communication Constellation
Amazon Leo is a satellite internet constellation aimed at providing high-speed, low-latency broadband connectivity to underserved and remote areas globally. The project involves deploying a constellation of low Earth orbit (LEO) satellites to create a satellite internet network capable of delivering reliable internet access.
Program info Program wiki

Objects from this launch

24 objects

SATCAT inventory for 2025-171

Last checked: 2026-04-07T12:11:00.702+00:00

Last success: 2026-04-07T12:11:00.702+00:00

Last non-empty: 2026-04-07T12:11:00.702+00:00

Latest snapshot: 2026-04-07T12:11:00.702+00:00

Snapshot hash: d44e3d1cef132212935e3ac5915026a39c9e84c981348726d714f168d7328812

LL2 payloads: 0SATCAT payloads: 24Delta: +24RB: 0DEB: 0UNK: 0

Open SATCAT inventory

Orbit enrichment loads on demand when this section opens.

SATCAT payload objects

KUIPER-00081
2025-171ANORAD 65132PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00088
2025-171BNORAD 65133PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00095
2025-171CNORAD 65134PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00096
2025-171DNORAD 65135PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00097
2025-171ENORAD 65136PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00098
2025-171FNORAD 65137PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00099
2025-171GNORAD 65138PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00100
2025-171HNORAD 65139PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00102
2025-171JNORAD 65140PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00103
2025-171KNORAD 65141PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00104
2025-171LNORAD 65142PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00105
2025-171MNORAD 65143PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00106
2025-171NNORAD 65144PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 96.17 min
Inc: 51.9°
570 km → 580 km
KUIPER-00107
2025-171PNORAD 65145PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00108
2025-171QNORAD 65146PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00109
2025-171RNORAD 65147PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00110
2025-171SNORAD 65148PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00111
2025-171TNORAD 65149PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00112
2025-171UNORAD 65150PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00114
2025-171VNORAD 65151PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00115
2025-171WNORAD 65152PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00116
2025-171XNORAD 65153PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00118
2025-171YNORAD 65154PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.30 min
Inc: 51.9°
629 km → 630 km
KUIPER-00119
2025-171ZNORAD 65155PAYUnited States (US)Ops: +
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 97.29 min
Inc: 51.9°
628 km → 630 km

Mission agencies

Amazon LeoPrivate

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

549

Lifetime launches

100 in 2026

SpaceX has 549 launches on record, with 100 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 40

327

Pad launches

47 in 2026

Space Launch Complex 40 has 327 launches from this pad on record, with 47 in 2026.

Rocket reliability

100% all time

2026: 100% (48/48)

Pad turnaround

7d 4h

Reported pad reuse cadence.

Booster story

First-stage boosters

Core-level mission cadence associated with this launch.

1 core

Core history

B1091

Total missions

0 in 2026

active. Flight proven. Tracked 3 missions.First flight: Aug 11, 2025Last mission: Nov 02, 2025, 5:09 AM UTC

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Chrono-Helix

Vehicle timeline

Falcon 9 Block 5 launches across time.

Drag, scroll, or use arrow keys.

Quick turnaround: 7 days

Past below / Future above