| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 27386 | 39673 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 12 12:43 | 2024 Sep 11 23:58 |
| Time of closest approach (UTC) | 2024 Aug 09 13:03:37.609 |
| Minimum distance | 103.078 km |
| Height difference | 5.062 km |
| Relative speed | 8.948 km/s |
| Angle between velocity vectors | 74° |
| Geographic position | 59.4°S, 166.8°W |
| Height | 785 km |
|