| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Alexis Rocket |
| Spacetrack catalog number | 31444 | 22639 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:31 | 2024 Dec 22 19:18 |
| Time of closest approach (UTC) | 2024 Dec 26 10:04:18.723 |
| Minimum distance | 4.473 km |
| Height difference | 3.320 km |
| Relative speed | 13.992 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 67.6°S, 179.9°E |
| Height | 787 km |
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