| Primary satellite | Secondary satellite |
| Name | Envisat | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 27386 | 39643 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 05 21:06 | 2024 Dec 05 04:00 |
| Time of closest approach (UTC) | 2024 Nov 12 06:27:45.724 |
| Minimum distance | 20.208 km |
| Height difference | 2.381 km |
| Relative speed | 9.470 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 61.2°S, 70.8°W |
| Height | 786 km |
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