| Primary satellite | Secondary satellite |
| Name | Envisat | deb Kosmos-2251 |
| Spacetrack catalog number | 27386 | 25028 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jun 02 13:06 | 2023 Jun 01 21:04 |
| Time of closest approach (UTC) | 2023 Apr 05 17:32:34.110 |
| Minimum distance | 228.333 km |
| Height difference | -7.179 km |
| Relative speed | 13.212 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 75.7°N, 62.6°W |
| Height | 778 km |
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