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SpaceXFalcon 9 Block 5Space Launch Complex 4E, Vandenberg SFB, CA, USA
SDA Tranche 0A
Launched
April 2, 2023 · 14:29 UTC
Summary
SDA Tranche 0A launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 4E, Vandenberg SFB, CA, USA on April 2, 2023 at 14:29 UTC. It was SpaceX's 235th launch, 22nd this year and humanity's 6,423rd orbital launch attempt. It was the 159th Falcon 9 Block 5 flight and the 21st this year. Booster B1075 flew for the 2nd time and landed at Landing Zone 4. The payload was bound for Polar Orbit (PO). Checkmate 8, one of 10 catalogued objects, reached a 948 × 959 km orbit inclined 81.0°. 10 objects from this launch are catalogued, all of them payloads.
- Watch
- Vehicle
- Falcon 9 Block 5 · SpaceX
- Booster
- B1075 · flight 2 · Return to Launch Site at Landing Zone 4 · landed35/35 landed here · 72 days after its previous flight, Starlink Group 2-4
- Mission
- Government/Top Secret · Polar Orbit (PO)for SDA
- Milestone
- 159th Falcon 9 Block 5 flight · 21st this yearSpaceX's 235th launch22nd this yearhumanity's 6,423rd orbital launch attempt55th orbital launch attempt this year
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
Checkmate 8 · NORAD 56162 · 2023-050 · Space-Track · tracking 1 of 10 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2023-050A
- Epoch
- 2023-04-02 16:16:50 UTC
- Mean motion
- 13.84947472 rev/day
- Eccentricity
- 0.0007151
- Inclination
- 81°
- Ascending node
- 114.9584°
- Arg. of perigee
- 218.5952°
- Mean anomaly
- 296.5399°
- Element set
- 999
- Rev at epoch
- 0
- 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
10 catalogued: 10 payloads; 10 still in orbit
- Checkmate 8 · NORAD 56162 · in orbit
- Checkmate 5 · NORAD 56163 · in orbit
- Checkmate 4 · NORAD 56164 · in orbit
- Checkmate 6 · NORAD 56165 · in orbit
- Checkmate 7 · NORAD 56166 · in orbit
- Checkmate 2 · NORAD 56167 · in orbit
- Checkmate 1 · NORAD 56168 · in orbit
- Checkmate 3 · NORAD 56169 · in orbit
- BB 2 · NORAD 56170 · in orbit
- BB 1 · NORAD 56171 · in orbit
Data from J. McDowell, planet4589.org
About this launch
First mission launched by the Space Development Agency for the Tranche 0 Transport Layer.
Pad
Space Launch Complex 4E, Vandenberg SFB, CA, USA
106th launch from Space Launch Complex 4E, 6th this year · 715th from Vandenberg SFB, CA, USA
Local pad time at liftoff: Apr 2, 7:29 AM PDT, in daylight
303 launches from this pad · 919 from Vandenberg SFB, CA, USA
15 days after the previous launch from this pad
Updates
Successful launch
Show 9 earlier updates
Liftoff
Nosu · 4/2/2023 · source
Livestream has started
LL2 · 4/2/2023 · source
Delayed 24 hours
Jay · 4/1/2023 · source
Targeting NET April 1
Nosu · 3/31/2023 · source
No launch attempt on March 31, next opportunity on April 3 per latest NGA notice.
Nosu · 3/31/2023 · source
Abort at T-3 seconds. Next attempt 24 hours later
Nosu · 3/30/2023 · source
Livestream has started
LL2 · 3/30/2023 · source
Go for launch.
Cosmic_Penguin · 3/29/2023 · source
Updating T-0
Nosu · 3/28/2023 · source
Questions
When did SDA Tranche 0A launch?
SDA Tranche 0A launched on April 2, 2023 at 14:29 UTC.
Where can I watch SDA Tranche 0A?
Coverage: Space Development Agency’s Tranche 0 Mission. Watch the replay
What rocket launched SDA Tranche 0A?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did SDA Tranche 0A launch from?
Space Launch Complex 4E, Vandenberg SFB, CA, USA. Liftoff was Apr 2, 7:29 AM PDT local time at the pad.
Did the booster land?
Booster B1075 flew for the 2nd time and landed at Landing Zone 4.
What orbit did SDA Tranche 0A reach?
Checkmate 8, one of 10 catalogued objects, reached a 948 × 959 km orbit inclined 81.0°.
How many satellites did SDA Tranche 0A launch?
10 payloads from this launch are catalogued, 10 of them still in orbit (Data from J. McDowell, planet4589.org).