STP-3 (STPSat-6 & LDPE-1)

Launch Success

Liftoff Time (GMT)

10:19:00

Tuesday December 7, 2021

Watch Replay

Official Livestream

Mission Details

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STPSat 6

Wiki

STPSat-6 is an advanced satellite for national security and science missions that delivers operational NUclear DETonation (NUDET) detection capabilities, high-bandwidth laser communications services, and new technology demonstrations in space domain awareness, weather, and NUDET detection. STPSat-6‘s nine payloads include the NNSA’s (National Nuclear Security Administration) Space and Atmospheric Burst Reporting System (SABRS), NASA’s Laser communications Relay Demonstration (LCRD), and seven Space Experiments Review Board (SERB) payloads that demonstrate cutting edge space technologies.

Geostationary Earth Orbit

1 Payload

2,572 kilograms

LDPE 1 (ROOSTER 1)

Wiki

LDPE-1 is a medium class satellite bus that hosts six ports for connecting a wide array of ESPA-class prototype payloads. LDPE can insert separable space vehicles into geosynchronous (GEO) orbit or host dedicated payloads on the ring itself until test completion, in this mission the bus carries four experiments, which could be either hosted or deployable. The experiments have not yet been disclosed.

Geostationary Earth Orbit

1 Payload

Rocket

Active
Atlas V 551

Active Since 2006

United Launch Alliance logo

Agency

ULA

Price

$153.00 million

Rocket

Diameter: 3.81m

Height: 62.2m

Payload to Orbit

LEO: 18,850 kg

GTO: 8,900 kg

Liftoff Thrust

12,141 Kilonewtons

Fairing

Diameter: 5.4m

Height: 26.5m

Stages

2

Strap-ons

5

Launch Site

SLC-41

Cape Canaveral SFS, Florida, USA

Fastest Turnaround

15 days 22 hours

Stats

Atlas V


90th

Mission

4th

Mission of 2021

United Launch Alliance


147th

Mission

5th

Mission of 2021

2021


125th

Orbital launch attempt