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SpaceXFalcon HeavyLaunch Complex 39A, Kennedy Space Center, FL, USA
OTV-7 (X-37B) (USSF-52)
Launched
December 29, 2023 · 01:07 UTC
Summary
OTV-7 (X-37B) (USSF-52) launched on a SpaceX Falcon Heavy from Launch Complex 39A, Kennedy Space Center, FL, USA on December 29, 2023 at 01:07 UTC. The launch window ran from 01:07 to 01:17 UTC. It was SpaceX's 310th launch, 97th this year and humanity's 6,587th orbital launch attempt. It was the 9th Falcon Heavy flight and the 5th this year. Booster B1064 flew for the 5th time and landed at Landing Zone 1. Booster B1084 flew for the 1st time and was expended. Booster B1065 flew for the 5th time and landed at Landing Zone 2. The payload was bound for Elliptical Orbit (Elliptical). The spacecraft was X-37B 2 (2). One object from this launch is catalogued.
- Watch
- SpaceX OTV-7 (X-37B) (USSF-52)The Space Devs
- Watch live: SpaceX Falcon Heavy launches secretive X-37B military spaceplaneSpaceflight Now
- SpaceX Launches Falcon Heavy for the USSF-52 / X-37B SpaceplaneNASASpaceflight
- Vehicle
- Falcon Heavy · SpaceX
- Booster
- B1064 · flight 5 · Return to Launch Site at Landing Zone 1 · landed53/54 landed here · 76 days after its previous flight, Psyche · 15 km downrange
- B1084 · flight 1 · expendable38/42 landed here
- B1065 · flight 5 · Return to Launch Site at Landing Zone 2 · landed17/17 landed here · 76 days after its previous flight, Psyche · 15 km downrange
- Mission
- Government/Top Secret · Elliptical Orbit (Elliptical)for USSF
- Milestone
- 9th Falcon Heavy flight · 5th this yearSpaceX's 310th launch97th this yearhumanity's 6,587th orbital launch attempt219th orbital launch attempt this year
Spacecraft
X-37B 2 (2)
Second X-37B. First flight on March 5, 2011.
- Destination: Elliptical Earth Orbit
- Mission length: 434 days
The X-37B spaceplane has landed at Vandenberg Space Force Base after this flight.
Flight preview
Simulate in Flight ClubCatalogued objects
1 catalogued: 1 payload; none still in orbit
- X-37B OTV-7 · NORAD 58666 · landed March 7, 2025
Data from J. McDowell, planet4589.org
About this launch
It is the seventh flight of the X-37B program. United States Air Force Orbital Test Vehicle is built by Boeing. It's an uncrewed 5000 kg, 8.8 m-long reusable mini-spaceplane capable of autonomous re-entry and landing.
Pad
Launch Complex 39A, Kennedy Space Center, FL, USA
168th launch from Launch Complex 39A, 13th this year · 226th from Kennedy Space Center, FL, USA
Local pad time at liftoff: Dec 28, 8:07 PM EST, at night
224 launches from this pad · 283 from Kennedy Space Center, FL, USA
48 days after the previous launch from this pad
Updates
Launch success.
Show 9 earlier updates
Liftoff.
Cosmic_Penguin · 12/29/2023 · source
Weather now 90% GO.
Cosmic_Penguin · 12/29/2023 · source
Livestream has started
LL2 · 12/28/2023 · source
Weather 80% GO.
Cosmic_Penguin · 12/27/2023 · source
Refined launch window.
Cosmic_Penguin · 12/27/2023 · source
Updated target T-0.
Cosmic_Penguin · 12/23/2023 · source
Rescheduled for December 29 UTC.
Cosmic_Penguin · 12/16/2023 · source
Launch delayed indefinitely pending system checkouts and range availability.
Jay · 12/13/2023 · source
Updated weather forecast.
Cosmic_Penguin · 12/13/2023 · source
Questions
When did OTV-7 (X-37B) (USSF-52) launch?
OTV-7 (X-37B) (USSF-52) launched on December 29, 2023 at 01:07 UTC. The launch window ran from 01:07 to 01:17 UTC.
Where can I watch OTV-7 (X-37B) (USSF-52)?
Coverage: SpaceX OTV-7 (X-37B) (USSF-52); Watch live: SpaceX Falcon Heavy launches secretive X-37B military spaceplane; SpaceX Launches Falcon Heavy for the USSF-52 / X-37B Spaceplane. Watch the replay
What rocket launched OTV-7 (X-37B) (USSF-52)?
Falcon Heavy, flown by SpaceX. Falcon Heavy spec sheet
Where did OTV-7 (X-37B) (USSF-52) launch from?
Launch Complex 39A, Kennedy Space Center, FL, USA. Liftoff was Dec 28, 8:07 PM EST local time at the pad.
Did the booster land?
Booster B1064 flew for the 5th time and landed at Landing Zone 1. Booster B1084 flew for the 1st time and was expended. Booster B1065 flew for the 5th time and landed at Landing Zone 2.
What orbit was OTV-7 (X-37B) (USSF-52) going to?
Elliptical Orbit (Elliptical), a government/top secret mission.