| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 27386 | 39674 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 12:21 | 2024 Dec 04 17:29 |
| Time of closest approach (UTC) | 2024 Nov 19 05:23:08.231 |
| Minimum distance | 5.070 km |
| Height difference | 1.496 km |
| Relative speed | 11.122 km/s |
| Angle between velocity vectors | 96° |
| Geographic position | 64.4°S, 57.1°W |
| Height | 788 km |
|