| Primary satellite | Secondary satellite |
| Name | ARIANE 1 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 39107 | 35834 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 20:48 | 2024 Dec 22 14:44 |
| Time of closest approach (UTC) | 2024 Dec 27 01:50:32.351 |
| Minimum distance | 1.817 km |
| Height difference | 0.203 km |
| Relative speed | 14.929 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 32.1°N, 95.0°E |
| Height | 800 km |
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