| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Kosmos-994 |
| Spacetrack catalog number | 31274 | 10731 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:08 | 2024 Dec 23 07:20 |
| Time of closest approach (UTC) | 2024 Dec 24 20:07:26.786 |
| Minimum distance | 4.337 km |
| Height difference | -4.315 km |
| Relative speed | 13.480 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 81.0°N, 69.0°E |
| Height | 1012 km |
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