Acquiring signal…

All launches

SpaceX

USSF-153

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Thursday September 10 2026, 15:42:30 UTC

StatusSuccess

Scrub riskLOW

Go95%

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

Every source for this mission in one place — news, social, references, notes & the exact timeline.

Explore

Loading mission…

Orbital elements (TLE)

2 element sets

Orbit

Apogee265 km

Perigee256 km

Period89.7 min

Inclination70.02°

Launch heading 156° · SSE from USSF-153 PO.

Parking orbitUSSF-153 PO› conemedium

1 70189U 26206A 26253.66020833 .00000000 00000-0 00000-0 0 9997

2 70189 70.0179 300.7683 0081884 163.4441 351.8927 16.26456410 00

OrbitUSSF-153medium

1 70189U 26206A 26253.69226852 .00000000 00000-0 00000-0 0 9999

2 70189 70.0179 300.7636 0006920 342.9268 000.0000 16.05014307 04

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

Loading map…

Mission

USSF-153 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.

Reusable Hardware

All boosters →

First Stage · Flight-provenB1081

active27th flight

Flights27

Landings27/27100%

Fastest turn24d 19h

Recovered · ASDS · OCISLY· 574 km downrange

40d 12h since last flight

Launched Crew-7 on its first flight.

Previous flights · 26

Q's read

Weather & scrubLOW risk

Weather Go95%LL2 Go70%Wind11 m/sGusts13 m/sCloud49%Temp16°C

Limiting rule: Droneship recovery upper limit on sea state.

9.8 ≥ 8 ft significant wave height

Hazards (5)

NAVAREA XII 595/26. NORTH PACIFIC. JOHNSTON ATOLL. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 2133Z TO 2355Z DAILY 04 THRU 10 SEP IN AREA BOUND BY 27-28.71N 171-24.34W, 13-38.98N 174-00.45W, 01-35.98N 175-48.45W, 00-54.72N 172-43.89W, 12-22.59N 170-40.14W, 16-45.76N 170-06.75W, 26-43.75N 168-39.09W. 2. CANCEL THIS MSG 110055Z SEP 26.
NAVAREA XII 593/26. NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING: A. 041128Z TO 041553Z SEP, ALTERNATE 051113Z TO 051538Z, 061059Z TO 061524Z, 071045Z TO 071510Z, 081030Z TO 081455Z, 091016Z TO 091441Z AND 101001Z TO 101426Z SEP IN AREA BOUND BY 29-48.00N 117-39.00W, 34-28.00N 120-18.00W, 34-40.00N 120-36.00W, 34-39.00N 120-39.00W, 34-30.00N 120-39.00W, 29-35.00N 118-12.00W, 29-52.00N 117-54.00W. B. 041128Z TO 041611Z SEP, ALTERNATE 051113Z TO 051556Z, 061059Z TO 061542Z, 071045Z TO 071528Z, 081030Z TO 081513Z, 091016Z TO 091459Z AND 101001Z TO 101444Z SEP IN AREA BOUND BY 29-48.00N 117-39.00W, 29-52.00N 117-54.00W, 29-35.00N 118-12.00W, 29-24.00N 118-08.00W, 29-15.00N 118-02.00W, 29-02.00N 117-59.00W, 28-12.00N 117-19.00W, 28-50.00N 117-19.00W, 29-36.00N 117-16.00W. 2. CANCEL THIS MSG 101544Z SEP 26. 281540Z AUG 26.
HYDROPAC 2488/26. SOUTH PACIFIC. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 051300Z TO 051738Z, 061246Z TO 061724Z, 071232Z TO 071710Z, 081217Z TO 081655Z, 091203Z TO 091641Z, 101148Z TO 101626Z AND 111134Z TO 111612Z SEP IN AREA BOUND BY 27-59.00S 122-44.00W, 27-09.00S 120-43.00W, 38-21.00S 115-04.00W, 49-09.00S 107-22.00W, 59-09.00S 095-34.00W, 59-58.00S 099-05.00W, 44-34.00S 114-13.00W. 2. CANCEL THIS MSG 111712Z SEP 26.
HYDROPAC 2505/26. SOUTH PACIFIC. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 1134Z TO 1738Z DAILY 05 THRU 11 SEP IN AREA BOUND BY 27-59.00S 122-44.00W, 27-09.00S 120-43.00W, 38-21.00S 115-04.00W, 49-09.00S 107-22.00W, 59-09.00S 095-34.00W, 59-58.00S 099-05.00W, 44-34.00S 114-13.00W. 2. CANCEL THIS MSG 111838Z SEP 26.
NAVAREA XII 608/26. NORTH PACIFIC. CALIFORNIA. 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING: A. 101537Z TO 101902Z, ALTERNATE 111523Z TO 111848Z, 121509Z TO 121834Z, 131455Z TO 131820Z, 141441Z TO 141806Z, 151427Z TO 151752Z, AND 161414Z TO 161739Z SEP IN AREA BOUND BY 29-48.00N 117-39.00W, 34-28.00N 120-18.00W, 34-40.00N 120-36.00W, 34-39.00N 120-39.00W, 34-30.00N 120-39.00W, 29-35.00N 118-12.00W, 29-52.00N 117-54.00W. B. 101537Z TO 101920Z, ALTERNATE 111523Z TO 111906Z, 121509Z TO 121852Z, 131455Z TO 131838Z, 141441Z TO 141824Z, 151427Z TO 151810Z, AND 161414Z TO 161757Z SEP IN AREA BOUND BY 29-48.00N 117-39.00W, 29-52.00N 117-54.00W, 29-35.00N 118-12.00W, 29-24.00N 118-08.00W, 29-15.00N 118-02.00W, 29-02.00N 117-59.00W, 28-12.00N 117-19.00W, 28-50.00N 117-19.00W, 29-36.00N 117-16.00W. 2. CANCEL THIS MSG 161857Z SEP 26. 041750Z SEP 26.

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+00:01:07

Max-Q

T+00:02:26

MECO

T+00:02:29

Stage 2 Separation

T+00:02:35

SES-1

T+00:02:55

Fairing Separation

T+00:06:06

Entry Burn Startup

T+00:06:30

Entry Burn Shutdown

T+00:08:04

Stage 1 Landing Burn

T+00:08:26

Stage 1 Landing

Quick facts

VehicleFalcon 9 Block 5

OrbitLow Earth Orbit

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowThursday September 10 2026, 15:37:00 UTC→Thursday September 10 2026, 18:37:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record630/631 successful

Landings616/621