| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 2251 DEB |
| Spacetrack catalog number | 27386 | 35043 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 22:29 | 2022 Jul 03 21:20 |
| Time of closest approach (UTC) | 2022 May 30 04:15:20.290 |
| Minimum distance | 38.856 km |
| Height difference | 0.335 km |
| Relative speed | 14.922 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 10.5°N, 2.2°E |
| Height | 766 km |
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