| Primary satellite | Secondary satellite |
| Name | COSMOS 2428 | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 31792 | 40480 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 19:14 | 2021 Apr 12 16:07 |
| Time of closest approach (UTC) | 2021 Mar 02 13:04:04.146 |
| Minimum distance | 240.328 km |
| Height difference | 0.264 km |
| Relative speed | 9.926 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 67.2°N, 141.2°W |
| Height | 862 km |
|