| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | COSMOS 1867 COOLANT |
| Spacetrack catalog number | 42962 | 39659 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 18 21:55 |
| Time of closest approach (UTC) | 2024 Dec 27 04:16:09.489 |
| Minimum distance | 3.885 km |
| Height difference | 2.545 km |
| Relative speed | 14.445 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 12.4°N, 90.2°E |
| Height | 779 km |
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