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United Launch AllianceAtlas V 551Space Launch Complex 41, Cape Canaveral SFS, FL, USA

USSF-51

Launched

July 30, 2024 · 10:45 UTC

Launch SuccessfulWeather 85% go
US Space Force Patch

Summary

USSF-51 launched on an United Launch Alliance Atlas V 551 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on July 30, 2024 at 10:45 UTC. The launch window ran from 10:45 to 15:45 UTC. It was United Launch Alliance's 163rd launch, 4th this year and humanity's 6,727th orbital launch attempt. It was the 14th Atlas V 551 flight and the 1st this year. The payload was bound for Unknown (N/A). 11 objects from this launch are catalogued, 7 of them payloads.

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Vehicle
Atlas V 551 · United Launch Alliance
Booster
No booster details on record.
Mission
Government/Top Secret · Unknown (N/A)for USSF
Milestone
14th Atlas V 551 flight · 1st this yearUnited Launch Alliance's 163rd launch4th this yearhumanity's 6,727th orbital launch attempt138th orbital launch attempt this year

Webcast

Replay
Watch on YouTube

Flight preview

Simulate in Flight Club

Flight timeline

6 steps, T−2 s to T+3 min 13 s
  1. T−2SIgnition
  2. T+35SSupersonic
  3. T+47SMax-Q
  4. T+1MLiftoff
  5. T+1M45SBoosters Separation
  6. T+3M13SFairing Separation

Catalogued objects

11 catalogued: 7 payloads, 1 rocket stage, 3 components; 11 still in orbit

  • USA 396 · NORAD 60322 · in orbit
  • USA 397 · NORAD 60323 · in orbit
  • USA 398 · NORAD 60324 · in orbit
  • USA 566 · NORAD 65724 · in orbit
  • USA 567 · NORAD 66145 · in orbit
  • USA 568 · NORAD 66551 · in orbit
  • USA 569 · NORAD 66552 · in orbit

Centaur AV-101 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Classified payload for the US Space Force.

Official page: Atlas V USSF-51

Pad

Map of Space Launch Complex 41

Space Launch Complex 41, Cape Canaveral SFS, FL, USA

113th launch from Space Launch Complex 41, 3rd this year · 966th from Cape Canaveral SFS, FL, USA

Local pad time at liftoff: Jul 30, 6:45 AM EDT, in twilight

125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

54 days after the previous launch from this pad

All launches from Cape Canaveral SFS, FL, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Jul 30, 2024 · source

Show 9 earlier updates

  • Liftoff.

    Cosmic_Penguin · 7/30/2024 · source

  • Official Webcast by United Launch Alliance has started

    LL2 · 7/30/2024 · source

  • Updated launch weather.

    Cosmic_Penguin · 7/30/2024 · source

  • Weather 80% GO

    hitura-nobad · 7/29/2024 · source

  • GO for launch.

    Cosmic_Penguin · 7/26/2024 · source

  • Added launch window.

    Cosmic_Penguin · 7/25/2024 · source

  • Targeting July 30

    Nosu · 7/1/2024 · source

  • NET July.

    Cosmic_Penguin · 6/21/2024 · source

  • Will launch after Starliner CFT NET April.

    Cosmic_Penguin · 2/21/2024 · source

Questions

When did USSF-51 launch?

USSF-51 launched on July 30, 2024 at 10:45 UTC. The launch window ran from 10:45 to 15:45 UTC.

Where can I watch USSF-51?

Coverage: YouTube. Watch the replay

What rocket launched USSF-51?

Atlas V 551, flown by United Launch Alliance. Atlas V 551 spec sheet

Where did USSF-51 launch from?

Space Launch Complex 41, Cape Canaveral SFS, FL, USA. Liftoff was Jul 30, 6:45 AM EDT local time at the pad.

What orbit was USSF-51 going to?

Unknown (N/A), a government/top secret mission.

How many satellites did USSF-51 launch?

7 payloads from this launch are catalogued, 7 of them still in orbit (Data from J. McDowell, planet4589.org).