| Primary satellite | Secondary satellite |
| Name | deb Explorer IX | deb Kosmos-1110 |
| Spacetrack catalog number | 85 | 14866 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 03 12:58 | 2021 Mar 03 10:34 |
| Time of closest approach (UTC) | 2021 Jan 27 00:53:52.624 |
| Minimum distance | 320.470 km |
| Height difference | -9.436 km |
| Relative speed | 11.338 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 31.5°S, 49.1°E |
| Height | 628 km |
|