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United Launch AllianceAtlas V 551Space Launch Complex 41, Cape Canaveral SFS, FL, USA
NROL-107 (Silent Barker)
Launched
September 10, 2023 · 12:47 UTC
Summary
NROL-107 (Silent Barker) launched on an United Launch Alliance Atlas V 551 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on September 10, 2023 at 12:47 UTC. The launch window ran from 12:47 to 14:35 UTC. It was United Launch Alliance's 158th launch, 2nd this year and humanity's 6,515th orbital launch attempt. It was the 13th Atlas V 551 flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). 6 objects from this launch are catalogued, 3 of them payloads.
- Watch
- Sept. 10 LIVE Broadcast: Atlas V SILENTBARKER/NROL-107United Launch Alliance
- Vehicle
- Atlas V 551 · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)for NRO, USSF
- Milestone
- 13th Atlas V 551 flight · 1st this yearUnited Launch Alliance's 158th launch2nd this yearhumanity's 6,515th orbital launch attempt147th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubCatalogued objects
6 catalogued: 3 payloads, 1 rocket stage, 2 debris; 6 still in orbit
- USA 346 · NORAD 57836 · in orbit
- USA 347 · NORAD 57837 · in orbit
- USA 348 · NORAD 57838 · in orbit
Centaur AV-102 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Classified space situational awareness (SSA) payload for the US National Reconnaissance Office (NRO).
Official page: Atlas V SILENTBARKERRelated page: Atlas V SILENTBARKER / NROL-107 Mission ProfileRelated page: > Launches > launch-nrol-107
Pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
109th launch from Space Launch Complex 41, 1st this year · 906th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Sep 10, 8:47 AM EDT, in daylight
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
340 days after the previous launch from this pad
Updates
Launch success confirmed
Show 9 earlier updates
Liftoff
Nosu · 9/10/2023 · source
Livestream has started
LL2 · 9/10/2023 · source
Weather 90% Go.
Cosmic_Penguin · 9/10/2023 · source
Scrubbed for the day due to ordnance circuit issue.
Cosmic_Penguin · 9/9/2023 · source
Weather 90% GO.
Cosmic_Penguin · 9/9/2023 · source
Weather 85%
Nosu · 9/7/2023 · source
New launch date and time per marine navigation warnings.
Cosmic_Penguin · 9/4/2023 · source
TBD September due to weather
Nosu · 8/30/2023
Launch delayed due to decision to rollback in view of upcoming hurricane.
Cosmic_Penguin · 8/29/2023 · source
Questions
When did NROL-107 (Silent Barker) launch?
NROL-107 (Silent Barker) launched on September 10, 2023 at 12:47 UTC. The launch window ran from 12:47 to 14:35 UTC.
Where can I watch NROL-107 (Silent Barker)?
Coverage: Sept. 10 LIVE Broadcast: Atlas V SILENTBARKER/NROL-107. Watch the replay
What rocket launched NROL-107 (Silent Barker)?
Atlas V 551, flown by United Launch Alliance. Atlas V 551 spec sheet
Where did NROL-107 (Silent Barker) launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA. Liftoff was Sep 10, 8:47 AM EDT local time at the pad.
What orbit was NROL-107 (Silent Barker) going to?
Geostationary Orbit (Direct-GEO), a government/top secret mission.
How many satellites did NROL-107 (Silent Barker) launch?
3 payloads from this launch are catalogued, 3 of them still in orbit (Data from J. McDowell, planet4589.org).