Pegasus XL
Pegasus XL was the lengthened, higher-capacity Pegasus configuration carried by the L-1011 Stargazer. Its Orion 50SXL, Orion 50XL, and Orion 38 solid stages could deliver about 450 kilograms to low Earth orbit; 36 XL-series vehicles flew from 1994 through the program’s final Swift Boost launch in 2026.
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Identity
- Aliases
- Pegasus-XLNorthrop Grumman Pegasus XL
- Family Name
- Pegasus
- Full Name
- Pegasus XL
- Status
- retired
- Type
- rocket
- Variant Name
- XL
Details
- Description
- Pegasus XL was the lengthened, higher-capacity Pegasus configuration carried by the L-1011 Stargazer. Its Orion 50SXL, Orion 50XL, and Orion 38 solid stages could deliver about 450 kilograms to low Earth orbit; 36 XL-series vehicles flew from 1994 through the program’s final Swift Boost launch in 2026.
- Dimensions
- Diameter M
- 1.27
- Height M
- 17.6
- First Flight Year
- 1,994
- Last Flight Year
- 2,026
- Manufacturer
- Operator
- Parent Vehicle Family
- Propulsion Configurations
- Entries
- Nested value
- Nested value
- Nested value
- Rocket Specs
- Liftoff Mass Kg
- 23,130
- Payload Capacity Kg
- Leo
- 450
- Reusability
- expendable
- Stages Count
- 3
Links
Assets & Meta
- Creation Time
- July 13, 2026 at 10:51:31 UTC
- Updated Time
- July 29, 2026 at 15:40:00 UTC
- Image
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Other
- Search Name
- Pegasus XL Pegasus-XL Northrop Grumman Pegasus XL