| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 2251 DEB |
| Spacetrack catalog number | 27386 | 34059 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Aug 07 12:45 | 2022 Aug 07 08:14 |
| Time of closest approach (UTC) | 2022 Jun 28 08:18:18.859 |
| Minimum distance | 64.726 km |
| Height difference | 1.535 km |
| Relative speed | 13.813 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 74.1°S, 91.1°W |
| Height | 791 km |
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