| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FORMOSAT 3C |
| Spacetrack catalog number | 33986 | 29049 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:32 | 2024 Dec 22 14:58 |
| Time of closest approach (UTC) | 2024 Dec 26 07:50:40.019 |
| Minimum distance | 4.779 km |
| Height difference | 0.470 km |
| Relative speed | 14.211 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 14.9°S, 154.4°W |
| Height | 789 km |
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