| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1408 Rocket |
| Spacetrack catalog number | 30606 | 13553 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:42 | 2024 Dec 22 14:49 |
| Time of closest approach (UTC) | 2024 Dec 28 19:40:36.923 |
| Minimum distance | 2.632 km |
| Height difference | 1.458 km |
| Relative speed | 15.093 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 81.0°N, 79.1°W |
| Height | 634 km |
|