| Primary satellite | Secondary satellite |
| Name | Iridium 4 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 24797 | 39553 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 14:26 | 2024 Dec 03 12:43 |
| Time of closest approach (UTC) | 2024 Nov 08 15:25:48.582 |
| Minimum distance | 97.107 km |
| Height difference | -2.551 km |
| Relative speed | 13.965 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 60.1°N, 168.9°E |
| Height | 817 km |
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