| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 2251 DEB |
| Spacetrack catalog number | 27386 | 35287 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Aug 07 05:37 | 2022 Aug 06 20:03 |
| Time of closest approach (UTC) | 2022 Jul 08 14:36:03.493 |
| Minimum distance | 5.018 km |
| Height difference | -2.004 km |
| Relative speed | 12.647 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 74.1°N, 5.9°W |
| Height | 778 km |
|