| Official name | BLOCK DM-SL R/B |
| Alternative name | Blok-DM-SL (Zenit-3SL) |
| Cospar ID | 2003-044B |
| Norad ID | 27953 |
| Launch date | 2003-10-01 |
| Launch site | SEAL |
| Launch vehicle | Zenit-3SL (1) |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 671.58 |
| Inclination (deg) | 0.92 |
| Perigee (km) | 2346 |
| Apogee (km) | 35705 |
| Eccentricity | 0.876691808362461 |
| Mean motion (revs. per day) | 2.14419726614849 |
| Semi-Major axis (km) | 25403.635 |
| Raan (deg) | 357.2728 |
| Arg of perigee (deg) | 180.9211 |
| Shape | Cyl |
| Mass (kg) | 2440 |
| Diameter (m) | 3.7 |
| Height (m) | 6.3 |
| Span (m^2) | 6.3 |
