United Launch Alliance · Operational · us · Launch Vehicle
Atlas V
Workhorse EELV, no longer sold; flew its ninth and final Amazon Leo mission in July 2026, with its remaining rockets assigned to Starliner.
Verified 2026-09-24 · First flight 2002-08-21
Systems cutaway
Specs & Metrics
- Payload to LEO ↑ better
- 12,500 kg
- varies by variant; 401 config ~9,797 kg, 551 config ~18,850 kg
- Maximum payload mass deliverable to low Earth orbit (~200–400 km circular), in the vehicle's stated reference configuration.
- Payload to GTO ↑ better
- 6,480 kg
- Maximum payload mass deliverable to geostationary transfer orbit (~185 × 35,786 km), in the stated reference config.
- Liftoff Mass ↓ better
- 461 t
- Total vehicle mass at liftoff including propellant, payload, and all stages, in metric tonnes.
- Vehicle Height ↓ better
- 58.3 m
- Full stack height at liftoff, in metres, including fairing or spacecraft.
- Mission Success Rate ↑ better
- 99.1%
- 109 full successes, 1 partial failure in 110 launches through Amazon Leo LA-08 (2026-07-02); the source shows 99.5% by half-crediting the partial
- Percentage of launch attempts rated as full mission successes over the vehicle's complete flight history.
Subsystems
Program roadmap
- achieved
Final Amazon Leo launch on Atlas V (LA-08, the last of nine); ULA no longer sells Atlas V and its six remaining rockets are all slated for Starliner
2026-07-02↗