| Primary satellite | Secondary satellite |
| Name | Cosmos 968 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 10521 | 30202 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 13 00:52 | 2026 Jan 13 05:11 |
| Time of closest approach (UTC) | 2025 Dec 17 17:48:44.602 |
| Minimum distance | 109.938 km |
| Height difference | -0.430 km |
| Relative speed | 14.884 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 34.4°S, 89.5°W |
| Height | 758 km |
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