| Primary satellite | Secondary satellite |
| Name | ARIANE 5 R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 27387 | 34116 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Aug 13 13:07 | 2022 Aug 13 14:41 |
| Time of closest approach (UTC) | 2022 Jul 05 03:01:06.886 |
| Minimum distance | 3.460 km |
| Height difference | -2.439 km |
| Relative speed | 14.318 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 72.3°N, 157.6°E |
| Height | 761 km |
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