Atlas IIA
Atlas IIA upgraded the Atlas II with a stretched Centaur IIA upper stage and two uprated RL10A-4 engines. Twenty-three vehicles flew successfully from Intelsat K in June 1992 through NASA's TDRS-J in December 2002, supporting commercial communications, Earth science, weather, and U.S. national-security missions without a launch failure.
Identity
- Aliases
- Atlas IIA-CentaurAtlas IIA/Centaur
- Family Name
- Atlas II
- Full Name
- Atlas IIA
- Reusability
- expendable
- Slug
- atlas-iia
- Status
- retired
- Type
- rocket
- Variant Name
- IIA
Details
- Description
- Atlas IIA upgraded the Atlas II with a stretched Centaur IIA upper stage and two uprated RL10A-4 engines. Twenty-three vehicles flew successfully from Intelsat K in June 1992 through NASA's TDRS-J in December 2002, supporting commercial communications, Earth science, weather, and U.S. national-security missions without a launch failure.
- Diameter M
- 3.05
- Engines
- Count
- 1
- Name
- RS-27 (two-chamber booster)
- Placement
- booster
- Count
- 1
- Name
- RS-56SA
- Placement
- core
- Count
- 2
- Name
- RL10A-4
- Placement
- upper
- First Flight Year
- 1,992
- Height M
- 47.4
- Last Flight Year
- 2,002
- Liftoff Mass Kg
- 187,500
- Parent Vehicle Family Id
- nd7g9nw45pfjvzgw5s0bfsmmyn8ahy2s
- Payload Capacity Kg
- Gto
- 3,066
- Leo
- 7,316
- Stages Count
- 2
- Strap On Boosters Count
- 0
Links
Assets & Meta
- Creation Time
- 7/14/2026, 6:51:46 AM
- Updated Time
- 7/14/2026, 9:30:41 AM