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SpaceX

NROL-105

Success

Falcon 9 Block 5

T-minus to liftoff

HOURS

MINUTES

SECONDS

Saturday January 17 2026, 04:39:51 UTC

StatusSuccess

Scrub riskHIGH

Go12%

VehicleFalcon 9 Block 5

OrbitUnknown

PadSpace Launch Complex 4E

Launch CodexDossier

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

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General trajectory

Space Launch Complex 4E

Vandenberg SFB, CA, USA

Launching

Southeast

156° · SSE

34.632, -120.611

Orbital elements (TLE)

2 element sets

Orbit

Apogee282 km

Perigee272 km

Period90.1 min

Inclination70.02°

Launch heading 156° · SSE from NROL-105 PO.

Parking orbitNROL-105 PO› conelow

1 70008U 26011A 26017.20063657 .00000000 00000-0 00000-0 0 9990

2 70008 70.0211 262.2641 0096546 160.8100 355.9320 16.23154400 00

OrbitNROL-105low

1 70008U 26011A 26017.23149306 .00000000 00000-0 00000-0 0 9999

2 70008 70.0211 262.2641 0007513 336.8500 000.0000 15.98915600 06

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

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Mission

Twelfth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to provide imaging and other reconnaissance capabilities.

Reusable Hardware

All boosters →

First Stage · Flight-provenB1100

active2nd flight

Flights10

Landings10/10100%

Fastest turn23d 12h

Recovered · RTLS · LZ-4· 0 km downrange

54d 19h since last flight

Falcon 9 booster, with a special “100” logo in lieu of the usual serial number style painted on the booster.

Previous flights · 9

Q's read

Weather & scrubHIGH risk

Weather Go12%LL2 Go100%Wind7 m/sGusts9 m/sCloud64%Temp16°C

Limiting rule: No flight through a thick (>4500 ft) cloud layer extending across the freezing level.

max-top 5602 m, mean 4025 m, 92% cover, freezing 3564 m · max cloud-top 5602 m above freezing 3564 m (92% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus · 7.1 ≥ 6 ft significant wave height

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+00:02:11

MECO

T+00:02:15

Stage 2 Separation

T+00:02:23

SES-1

T+00:02:28

Booster Boostback Burn Startup

T+00:02:58

Fairing Separation

T+00:03:23

Booster Boostback Burn Shutdown

T+00:05:59

Entry Burn Startup

T+00:06:14

Entry Burn Shutdown

T+00:07:12

Stage 1 Landing Burn

T+00:07:39

Stage 1 Landing

Quick facts

VehicleFalcon 9 Block 5

OrbitUnknown

PadSpace Launch Complex 4E

SiteVandenberg SFB, CA, USA

WindowSaturday January 17 2026, 04:18:00 UTC→Saturday January 17 2026, 04:53:00 UTC

Vehicle

FamilyFalcon

Height70 m

Diameter3.7 m

Stages2

ReusableYes

LEO capacity22,800 kg

Track record606/607 successful

Landings593/598