Atlas V 421 launched SBIRS GEO-5, the fifth Space Based Infrared System satellite for the US Space Force, providing missile warning and defense support from geosynchronous orbit. It was the first satellite built on Lockheed Martin's LM2100 bus.
- Outcome
- Success
- Orbit
- GTO
- Geostationary transfer orbit
- Payload to orbit
- 4.6 T (est.)
- Flight
- 8th
- of 9 Atlas V 421 flights
- Date and time
- 18 May 2021, 17:37 UTC
- Rocket
- Atlas V 421
- Builder
- ULA
- Launch site
- Space Launch Complex 41, Cape Canaveral SFS, FL, USA
- Payload
- Government/Top Secret
- International designator
- 2021-042
- Launches in 2021
- 44th of 146
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas