| Official name | PSLV R/B |
| Alternative name | PSLV fourth stage (PS4) |
| Cospar ID | 2005-017C |
| Norad ID | 28651 |
| Launch date | 2005-05-05 |
| Launch site | SRI |
| Launch vehicle | PSLV-G (3) |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 97.42 |
| Inclination (deg) | 97.89 |
| Perigee (km) | 587 |
| Apogee (km) | 684 |
| Eccentricity | 0.0763178599527931 |
| Mean motion (revs. per day) | 14.7813590638473 |
| Semi-Major axis (km) | 7013.635 |
| Raan (deg) | 52.3455 |
| Arg of perigee (deg) | 119.7291 |
| Shape | Cyl + Cyl + 2 Nozzle |
| Mass (kg) | 920 |
| Diameter (m) | 1.3 |
| Height (m) | 3 |
| Span (m^2) | 3.238 |
