| Primary satellite | Secondary satellite |
| Name | IRIDIUM 152 | COSMOS 2251 DEB |
| Spacetrack catalog number | 43479 | 33894 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:27 | 2024 Dec 23 07:33 |
| Time of closest approach (UTC) | 2024 Dec 28 13:41:13.499 |
| Minimum distance | 5.909 km |
| Height difference | -1.003 km |
| Relative speed | 14.172 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 60.0°N, 15.6°E |
| Height | 786 km |
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