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SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
SDA Tranche 0B
Launched
September 2, 2023 · 14:25 UTC
Summary
SDA Tranche 0B launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on September 2, 2023 at 14:25 UTC. It was SpaceX's 275th launch, 62nd this year and humanity's 6,508th orbital launch attempt. It was the 196th Falcon 9 Block 5 flight and the 58th this year. Booster B1063 flew for the 13th time and landed at Landing Zone 4. The payload was bound for Polar Orbit (PO). Wildfire 4, one of 13 catalogued objects, reached a 944 × 955 km orbit inclined 81.0°. 13 objects from this launch are catalogued, all of them payloads.
- Vehicle
- Falcon 9 Block 5 · SpaceX
- Booster
- B1063 · flight 13 · Return to Launch Site at Landing Zone 4 · landed35/35 landed here · 56 days after its previous flight, Starlink Group 5-13
- Mission
- Government/Top Secret · Polar Orbit (PO)for SDA
- Milestone
- 196th Falcon 9 Block 5 flight · 58th this yearSpaceX's 275th launch62nd this yearhumanity's 6,508th orbital launch attempt140th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
Wildfire 4 · NORAD 57756 · 2023-133 · Space-Track · tracking 1 of 13 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2023-133A
- Epoch
- 2023-09-02 19:10:29 UTC
- Mean motion
- 13.86063398 rev/day
- Eccentricity
- 0.0007547
- Inclination
- 81.0009°
- Ascending node
- 264.9681°
- Arg. of perigee
- 231.2206°
- Mean anomaly
- 179.2421°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: PO. Ascent drawn from padside's representative profile. Booster return drawn from padside's representative arc.
Catalogued objects
13 catalogued: 13 payloads; 13 still in orbit
- Wildfire 4 · NORAD 57756 · in orbit
- BB 4 · NORAD 57757 · in orbit
- Wildfire 3 · NORAD 57758 · in orbit
- BB 3 · NORAD 57760 · in orbit
- Wildfire 7 · NORAD 57761 · in orbit
- Checkmate 10 · NORAD 57762 · in orbit
- Wildfire 6 · NORAD 57763 · in orbit
- Wildfire 1 · NORAD 57764 · in orbit
- Wildfire 9 · NORAD 57765 · in orbit
- Wildfire 10 · NORAD 57766 · in orbit
- Wildfire 2 · NORAD 57767 · in orbit
- Wildfire 8 · NORAD 57768 · in orbit
Show 1 more payload
- Wildfire 5 · NORAD 57769 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Second mission launched by the Space Development Agency for the Tranche 0 Transport Layer.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
118th launch from Space Launch Complex 4E, 18th this year · 727th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Sep 2, 7:25 AM PDT, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
11 days after the previous launch from this pad
Updates
Successful launch
Show 9 earlier updates
Liftoff
Nosu · 9/2/2023 · source
Livestream has started
LL2 · 9/2/2023 · source
Setting GO
Nosu · 9/1/2023 · source
Launch abort, moving to the next window 24 hours later and setting TBC pending confirmation by SpaceX.
Nosu · 9/1/2023 · source
GO for launch.
Cosmic_Penguin · 9/1/2023 · source
Launch scrubbed for the day due to problem with engine no. 4 on first stage.
Cosmic_Penguin · 8/31/2023 · source
New T-0 of 15:25 UTC
hitura-nobad · 8/31/2023 · source
Adjusting T-0
SwGustav · 8/31/2023 · source
Setting GO
hitura-nobad · 8/30/2023 · source
Questions
When did SDA Tranche 0B launch?
SDA Tranche 0B launched on September 2, 2023 at 14:25 UTC.
Where can I watch SDA Tranche 0B?
Coverage: Space Development Agency’s Second Tranche 0 Mission. Watch the replay
What rocket launched SDA Tranche 0B?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did SDA Tranche 0B launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Sep 2, 7:25 AM PDT local time at the pad.
Did the booster land?
Booster B1063 flew for the 13th time and landed at Landing Zone 4.
What orbit did SDA Tranche 0B reach?
Wildfire 4, one of 13 catalogued objects, reached a 944 × 955 km orbit inclined 81.0°.
How many satellites did SDA Tranche 0B launch?
13 payloads from this launch are catalogued, 13 of them still in orbit (Data from J. McDowell, planet4589.org).