| Primary satellite | Secondary satellite |
| Name | Spot 4 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 25261 | 34061 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:46 | 2024 Dec 22 16:51 |
| Time of closest approach (UTC) | 2024 Dec 28 11:51:47.677 |
| Minimum distance | 4.408 km |
| Height difference | 1.816 km |
| Relative speed | 14.891 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 11.2°S, 96.3°E |
| Height | 778 km |
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