| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 14760 | 30044 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:37 | 2024 Dec 23 07:08 |
| Time of closest approach (UTC) | 2024 Dec 25 21:00:41.268 |
| Minimum distance | 4.121 km |
| Height difference | -4.107 km |
| Relative speed | 14.816 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 54.6°N, 135.7°W |
| Height | 782 km |
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