Pegasus XL
Pegasus XL was the lengthened, higher-capacity member of the Pegasus family and flew exclusively beneath the modified L-1011 Stargazer carrier aircraft. Its three solid stages used Orion 50SXL, Orion 50XL, and Orion 38 motors, delivering payloads of roughly 450 kilograms to low Earth orbit from 1994 through its final 2026 Swift Boost launch.
Identity
- Aliases
- Pegasus-XLNorthrop Grumman Pegasus XL
- Family Name
- Pegasus
- Full Name
- Pegasus XL
- Reusability
- expendable
- Slug
- pegasus-xl
- Status
- retired
- Type
- rocket
- Variant Name
- XL
Details
- Description
- Pegasus XL was the lengthened, higher-capacity member of the Pegasus family and flew exclusively beneath the modified L-1011 Stargazer carrier aircraft. Its three solid stages used Orion 50SXL, Orion 50XL, and Orion 38 motors, delivering payloads of roughly 450 kilograms to low Earth orbit from 1994 through its final 2026 Swift Boost launch.
- Diameter M
- 1.27
- Engines
- Count
- 1
- Name
- Orion 50SXL
- Placement
- core
- Count
- 1
- Name
- Orion 50XL
- Placement
- upper
- Count
- 1
- Name
- Orion 38
- Placement
- upper
- First Flight Year
- 1,994
- Height M
- 17.6
- Last Flight Year
- 2,026
- Liftoff Mass Kg
- 23,130
- Manufacturer Id
- jd721nj3rrbc9hy6hqxftvxatn7kpgtd
- Operator Id
- jd721nj3rrbc9hy6hqxftvxatn7kpgtd
- Parent Vehicle Family Id
- nd7kjdmsjkr4p8xt6vs2p6e4v98afbzm
- Payload Capacity Kg
- Leo
- 450
- Stages Count
- 3
Links
Assets & Meta
- Creation Time
- 7/13/2026, 10:51:31 AM
- Updated Time
- 7/13/2026, 10:51:31 AM