| Official name | PEGASUS R/B |
| Alternative name | ORION 50XL (Pegasus XL) |
| Cospar ID | 2006-008D |
| Norad ID | 28983 |
| Launch date | 2006-03-22 |
| Launch site | WRAS |
| Launch vehicle | Pegasus-XL |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 118.25 |
| Inclination (deg) | 105.53 |
| Perigee (km) | 294 |
| Apogee (km) | 2910 |
| Eccentricity | 0.816479400749064 |
| Mean motion (revs. per day) | 12.1775898520085 |
| Semi-Major axis (km) | 7980.135 |
| Raan (deg) | 134.8511 |
| Arg of perigee (deg) | 96.4581 |
| Shape | Cyl |
| Mass (kg) | 242 |
| Diameter (m) | 1.27 |
| Height (m) | 1.4 |
| Span (m^2) | 1.4 |
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