| Primary satellite | Secondary satellite |
| Name | Envisat | Cosmos 1302 |
| Spacetrack catalog number | 27386 | 12791 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jun 02 13:06 | 2023 Jun 02 07:59 |
| Time of closest approach (UTC) | 2023 Apr 05 08:29:19.848 |
| Minimum distance | 15.963 km |
| Height difference | 2.744 km |
| Relative speed | 14.231 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 72.2°S, 134.3°E |
| Height | 790 km |
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