| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1553 Rocket |
| Spacetrack catalog number | 31834 | 14974 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:40 | 2024 Dec 22 20:34 |
| Time of closest approach (UTC) | 2024 Dec 25 16:54:47.084 |
| Minimum distance | 1.536 km |
| Height difference | -1.532 km |
| Relative speed | 2.771 km/s |
| Angle between velocity vectors | 22° |
| Geographic position | 44.6°N, 82.0°E |
| Height | 984 km |
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