| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 2251 DEB |
| Spacetrack catalog number | 27386 | 36059 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 22:29 | 2022 Jul 03 00:49 |
| Time of closest approach (UTC) | 2022 May 28 14:49:50.018 |
| Minimum distance | 824.827 km |
| Height difference | 3.288 km |
| Relative speed | 3.376 km/s |
| Angle between velocity vectors | 26° |
| Geographic position | 20.5°N, 19.0°E |
| Height | 768 km |
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