| Official name | DMSP 5D-2 F11 DEB |
| Alternative name | DMSP F11 fragmentation debris |
| Cospar ID | 1991-082BY |
| Norad ID | 29077 |
| Launch date | 1991-11-28 |
| Launch site | AFWTR |
| Launch vehicle | Atlas-E Star-37S-ISS |
| RCS size | SMALL |
| Decay date | ON ORBIT |
| Period (min) | 99.78 |
| Inclination (deg) | 98.7 |
| Perigee (km) | 704 |
| Apogee (km) | 792 |
| Eccentricity | 0.0588235294117647 |
| Mean motion (revs. per day) | 14.4317498496693 |
| Semi-Major axis (km) | 7126.135 |
| Raan (deg) | 278.8103 |
| Arg of perigee (deg) | 258.4504 |






