SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
NROL-145
Launched
April 20, 2025 · 12:29 UTC
Image: SpaceX
Summary
NROL-145 launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on April 20, 2025 at 12:29 UTC. The launch window ran from 10:27 to 14:56 UTC. It was SpaceX's 495th launch, 46th this year and humanity's 6,930th orbital launch attempt. It was the 405th Falcon 9 Block 5 flight and the 44th this year. Booster B1082 flew for the 12th time and landed at Of Course I Still Love You. The payload was bound for Unknown (N/A). 22 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceX
- Booster
- B1082 · flight 12 · Autonomous Spaceport Drone Ship at Of Course I Still Love You · landed209/217 landed here · 56 days after its previous flight, Starlink Group 15-1 · 610 km downrange
- Mission
- Government/Top Secret · Unknown (N/A)for NRO
- Milestone
- 405th Falcon 9 Block 5 flight · 44th this yearSpaceX's 495th launch46th this yearhumanity's 6,930th orbital launch attempt81st orbital launch attempt this year
Flight preview
Simulate in Flight ClubFlight timeline
- T−38MGO for Prop Load
- T−35MProp Load
- T−35MStage 1 LOX Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MStartup
- T−1MTank Press
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M6SMax-Q
- T+2M26SMECO
- T+2M29SStage 2 Separation
- T+2M36SSES-1
- T+2M54SFairing Separation
- T+6M9SEntry Burn Startup
- T+6M30SEntry Burn Shutdown
- T+7M47SStage 1 Landing Burn
- T+8M15SStage 1 Landing
- T+8M38SSECO-1
- T+52M27SSES-2
- T+52M28SSECO-2
Catalogued objects
22 catalogued: 22 payloads; 22 still in orbit
- USA 523 · NORAD 63606 · in orbit
- USA 524 · NORAD 63607 · in orbit
- USA 525 · NORAD 63608 · in orbit
- USA 526 · NORAD 63609 · in orbit
- USA 527 · NORAD 63610 · in orbit
- USA 528 · NORAD 63611 · in orbit
- USA 529 · NORAD 63612 · in orbit
- USA 530 · NORAD 63613 · in orbit
- USA 531 · NORAD 63614 · in orbit
- USA 532 · NORAD 63615 · in orbit
- USA 533 · NORAD 63616 · in orbit
- USA 534 · NORAD 63617 · in orbit
Show 10 more payloads
- USA 535 · NORAD 63618 · in orbit
- USA 536 · NORAD 63619 · in orbit
- USA 537 · NORAD 63620 · in orbit
- USA 538 · NORAD 63621 · in orbit
- USA 539 · NORAD 63622 · in orbit
- USA 540 · NORAD 63623 · in orbit
- USA 541 · NORAD 63624 · in orbit
- USA 542 · NORAD 63625 · in orbit
- USA 543 · NORAD 63626 · in orbit
- USA 544 · NORAD 63627 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Tenth 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.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
189th launch from Space Launch Complex 4E, 15th this year · 802nd from Vandenberg SFB, CA, USA
Local pad time at liftoff: Apr 20, 5:29 AM PDT, in twilight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
8 days after the previous launch from this pad
Updates
Launch success.
Show 7 earlier updates
Liftoff!
hitura-nobad · 4/20/2025 · source
Unofficial Re-stream by SPACE AFFAIRS has started
LL2 · 4/20/2025 · source
GO for launch.
Cosmic_Penguin · 4/19/2025 · source
Now targeting Apr 20 at 10:27 UTC
hitura-nobad · 4/18/2025 · source
Added launch window per NOTAMs.
Cosmic_Penguin · 4/14/2025 · source
NET April.
Cosmic_Penguin · 4/9/2025 · source
Added launch.
Cosmic_Penguin · 2/11/2025 · source
Questions
When did NROL-145 launch?
NROL-145 launched on April 20, 2025 at 12:29 UTC. The launch window ran from 10:27 to 14:56 UTC.
Where can I watch NROL-145?
Coverage: SpaceX NROL-145; SpaceX - Falcon 9 - NROL-145 - SLC-4E - Vandenberg SFB - April 20, 2025; Watch live: SpaceX Falcon 9 rocket launches on U.S. spy satellite agency mission from California. Watch the replay
What rocket launched NROL-145?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did NROL-145 launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Apr 20, 5:29 AM PDT local time at the pad.
Did the booster land?
Booster B1082 flew for the 12th time and landed at Of Course I Still Love You.
What orbit was NROL-145 going to?
Unknown (N/A), a government/top secret mission.
How many satellites did NROL-145 launch?
22 payloads from this launch are catalogued, 22 of them still in orbit (Data from J. McDowell, planet4589.org).