The lengthened, more powerful Pegasus, launched from the L-1011 Stargazer since 1994. After early failures it becomes reliable, launching NASA's NuSTAR, IRIS and ICON missions and, in 2026, a mission to raise the orbit of the aging Swift observatory.
- Launches
- 31
- Success rate
- 90%
- 2 failures · 1 partial
- Builder
- OSC
- Height
- 17.6 m
- Diameter
- 1.3 m
- Stages
- 3
- Propellants
- Solid
- Payload to LEO
- 443 kg
Launches per year
Pegasus XL
Other Pegasus rockets
Show as table
| Year | Launches | Pegasus XL |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 1 |
| 1995 | 2 | 1 |
| 1996 | 5 | 4 |
| 1997 | 5 | 4 |
| 1998 | 6 | 3 |
| 1999 | 3 | 1 |
| 2000 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2016 | 1 | 1 |
| 2019 | 1 | 1 |
| 2021 | 1 | 1 |
| 2026 | 1 | 1 |
Pegasus rockets
| Rocket | Flown | Launches | Success rate | Height | Payload to LEO |
|---|---|---|---|---|---|
| Pegasus | 1990 to 1994 | 4 | 100% | 16.9 m | 443 kg |
| Pegasus HAPS | 1991 to 1994 | 2 | 50% | 15.5 m | 250 kg |
| Pegasus XL | 1994 to 2026 | 31 | 90% | 17.6 m | 443 kg |
| Pegasus Hybrid | 1995 to 2000 | 4 | 100% | 15.5 m | 350 kg |
| Pegasus XL HAPS | 1997 to 1999 | 5 | 100% | 17.6 m | 443 kg |