| 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 02 21:36 | 2022 Jul 01 22:18 |
| Time of closest approach (UTC) | 2022 May 30 04:15:28.068 |
| Minimum distance | 46.478 km |
| Height difference | 1.495 km |
| Relative speed | 14.921 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 10.0°N, 2.1°E |
| Height | 766 km |
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