| Official name | DELTA 2 R/B |
| Alternative name | Delta II second stage (Delta 6925) |
| Cospar ID | 1990-034B |
| Norad ID | 20571 |
| Launch date | 1990-04-13 |
| Launch site | AFETR |
| Launch vehicle | Delta-6925-8 |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 101.37 |
| Inclination (deg) | 22.74 |
| Perigee (km) | 481 |
| Apogee (km) | 1166 |
| Eccentricity | 0.415907710989678 |
| Mean motion (revs. per day) | 14.2053862089376 |
| Semi-Major axis (km) | 7201.635 |
| Raan (deg) | 95.3481 |
| Arg of perigee (deg) | 78.8707 |
| Shape | Cyl + Cone |
| Mass (kg) | 942.52 |
| Diameter (m) | 2.44 |
| Height (m) | 5.97 |
| Span (m^2) | 5.97 |
