| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 2251 DEB |
| Spacetrack catalog number | 27386 | 34641 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 28 11:54 | 2022 May 27 15:01 |
| Time of closest approach (UTC) | 2022 Jan 29 16:28:31.869 |
| Minimum distance | 113.491 km |
| Height difference | 4.738 km |
| Relative speed | 14.514 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 70.3°S, 157.8°E |
| Height | 792 km |
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