| Primary satellite | Secondary satellite |
| Name | Cosmos 968 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 10521 | 31456 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 16 13:46 | 2026 Jan 13 12:56 |
| Time of closest approach (UTC) | 2025 Dec 15 01:39:57.684 |
| Minimum distance | 63.888 km |
| Height difference | -0.995 km |
| Relative speed | 14.866 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 46.4°N, 25.8°W |
| Height | 767 km |
|