| Primary satellite | Secondary satellite |
| Name | ARIANE 5 R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 27387 | 34031 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Aug 13 13:07 | 2022 Aug 13 12:56 |
| Time of closest approach (UTC) | 2022 Jul 04 15:10:16.552 |
| Minimum distance | 6.620 km |
| Height difference | -4.440 km |
| Relative speed | 14.914 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 43.1°N, 4.5°W |
| Height | 758 km |
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