| Primary satellite | Secondary satellite |
| Name | IRIDIUM 136 | Cosmos 990 |
| Spacetrack catalog number | 42962 | 10676 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:05 | 2024 Dec 22 16:09 |
| Time of closest approach (UTC) | 2024 Dec 26 22:13:07.315 |
| Minimum distance | 1.467 km |
| Height difference | -0.874 km |
| Relative speed | 14.647 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 28.3°N, 1.4°W |
| Height | 781 km |
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